América Móvil, S.A.B. de C.V. (AMX) SC 13D/A AMERICA MOVIL SAB DE CV / HELU CARLOS SLIM ownership change

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

_______________

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 25)

América Móvil, S.A.B. de C.V. (the “Issuer”)

(Name of Issuer)

American Depositary Shares (“L Share ADSs”), each representing 20 Series L Shares (“L Shares”)

American Depositary Shares (“A Share ADSs”), each representing 20 Series A Shares (“A Shares”)

(Title of Class of Securities)

02364W105 for L Share ADSs1

02364W204 for A Share ADSs2

(CUSIP Number)

Rafael Robles Miaja

Bufete Robles Miaja, S.C.

Bosque de Alisos No. 47 A PB

Colonia Bosques de las Lomas

México 05120, Distrito Federal

(5255) 1105-1301

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

October 17, 2011

(Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the following box o .

(Continued on the following pages)

(Page 1 of 24 Pages)

__________________ 

1           CUSIP number is for the L Share ADSs only.  No CUSIP number exists for the underlying L Shares since such shares are not traded in the United States.

2           CUSIP number is for the A Share ADSs only.  No CUSIP number exists for the underlying A Shares since such shares are not traded in the United States.

 CUSIP No.               02364W105 L Share ADSs 02364W204 A Share ADSs  13D  Page 2 of 24 Pages 

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Carlos Slim Helú
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                                                                                                                                          (a) o                                               ��                                                                                     (b) x
3	SEC USE ONLY
4	SOURCE OF FUNDS AF (See Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e) o
6	CITIZENSHIP OR PLACE OF ORGANIZATION México
NUMBER OF SHARES		7	SOLE VOTING POWER 3,050,988,714 L Shares (See Item 5)
BENEFICIALLY OWNED BY		8	SHARED VOTING POWER 2,686,412 A Shares and 15,938,940,580 L Shares (See Item 5)
EACH REPORTING PERSON		9	SOLE DISPOSITIVE POWER 3,050,988,714  L Shares (See Item 5)
WITH		10	SHARED DISPOSITIVE POWER 2,686,412 A Shares and 15,938,940,580 L Shares (See Item 5)
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,686,412 A Shares and 18,123,352,200 L Shares (See Item 5)
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES   x
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0.4% of A Shares and 29.7% of L Shares (See Item 5)
14	TYPE OF REPORTING PERSON IN

 CUSIP No.               02364W105 L Share ADSs 02364W204 A Share ADSs  13D  Page 3 of 24 Pages 

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Carlos Slim Domit
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                                                                                                                                           (a) o                                                                                                                                     (b) x
3	SEC USE ONLY
4	SOURCE OF FUNDS AF (See Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)  o
6	CITIZENSHIP OR PLACE OF ORGANIZATION México
NUMBER OF SHARES		7	SOLE VOTING POWER 2,455,141,910 L Shares (See Item 5)
BENEFICIALLY OWNED BY		8	SHARED VOTING POWER 2,686,412 A Shares and 15,938,940,580 L Shares (See Item 5)
EACH REPORTING PERSON		9	SOLE DISPOSITIVE POWER 2,455,141,910 L Shares (See Item 5)
WITH		10	SHARED DISPOSITIVE POWER 2,686,412 A Shares and 15,938,940,580 L Shares (See Item 5)
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,686,412 A Shares and 17,505,872,490 L Shares (See Item 5)
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES  x
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0.4% of A Shares and 28.7% of L Shares (See Item 5)
14	TYPE OF REPORTING PERSON IN

 CUSIP No.               02364W105 L Share ADSs 02364W204 A Share ADSs  13D  Page 4 of 24 Pages 

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Marco Antonio Slim Domit
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                                                                                                                                          (a) o                                                                                                                                     (b) x
3	SEC USE ONLY
4	SOURCE OF FUNDS AF (See Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)  o
6	CITIZENSHIP OR PLACE OF ORGANIZATION México
NUMBER OF SHARES		7	SOLE VOTING POWER 2,458,462,682 L Shares (See Item 5)
BENEFICIALLY OWNED BY		8	SHARED VOTING POWER 2,686,412 A Shares and 15,938,940,580 L Shares (See Item 5)
EACH REPORTING PERSON		9	SOLE DISPOSITIVE POWER 2,458,462,682 L Shares (See Item 5)
WITH		10	SHARED DISPOSITIVE POWER 2,686,412 A Shares and 15,938,940,580 L Shares (See Item 5)
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,686,412 A Shares and  17,508,193,268 L Shares (See Item 5)
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES  x
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0.4% of A Shares and 28.7% of L Shares (See Item 5)
14	TYPE OF REPORTING PERSON IN

 CUSIP No.               02364W105 L Share ADSs 02364W204 A Share ADSs  13D  Page 5 of 24 Pages 

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Patrick Slim Domit
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                                                                                                                                          (a) o                                                                                                                                     (b) x
3	SEC USE ONLY
4	SOURCE OF FUNDS AF (See Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)  o
6	CITIZENSHIP OR PLACE OF ORGANIZATION México
NUMBER OF SHARES		7	SOLE VOTING POWER 2,709,996,174 L Shares (See Item 5)
BENEFICIALLY OWNED BY		8	SHARED VOTING POWER 2,686,412 A Shares and 15,938,940,580 L Shares (See Item 5)
EACH REPORTING PERSON		9	SOLE DISPOSITIVE POWER 2,709,996,174 L Shares (See Item 5)
WITH		10	SHARED DISPOSITIVE POWER 2,686,412 A Shares and 15,938,940,580 L Shares (See Item 5)
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,686,412 A Shares and 17,760,726,754 L Shares (See Item 5)
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES  x
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0.4% of A Shares and 29.1% of L Shares (See Item 5)
14	TYPE OF REPORTING PERSON IN

 CUSIP No.               02364W105 L Share ADSs 02364W204 A Share ADSs  13D  Page 6 of 24 Pages 

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) María Soumaya Slim Domit
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                                                                                                                                          (a) o                                                                                                                                     (b) x
3	SEC USE ONLY
4	SOURCE OF FUNDS AF (See Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)  o
6	CITIZENSHIP OR PLACE OF ORGANIZATION México
NUMBER OF SHARES		7	SOLE VOTING POWER 756,601,792 L Shares (See Item 5)
BENEFICIALLY OWNED BY		8	SHARED VOTING POWER 2,686,412 A Shares and 15,938,940,580 L Shares (See Item 5)
EACH REPORTING PERSON		9	SOLE DISPOSITIVE POWER 756,601,792 L Shares (See Item 5)
WITH		10	SHARED DISPOSITIVE POWER 2,686,412 A Shares and 15,938,940,580 L Shares (See Item 5)
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,686,412 A Shares and 16,695,532,378 L Shares (See Item 5)
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES   x
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0.4% of A Shares and 27.3% of L Shares (See Item 5)
14	TYPE OF REPORTING PERSON IN

 CUSIP No.               02364W105 L Share ADSs 02364W204 A Share ADSs  13D  Page 7 of 24 Pages 

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Vanessa Paola Slim Domit
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                                                                                                                                           (a) o                                                                                                                                     (b) x
3	SEC USE ONLY
4	SOURCE OF FUNDS AF (See Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)  o
6	CITIZENSHIP OR PLACE OF ORGANIZATION México
NUMBER OF SHARES		7	SOLE VOTING POWER 891,695,928 L Shares (See Item 5)
BENEFICIALLY OWNED BY		8	SHARED VOTING POWER 2,686,412 A Shares and 15,938,940,580 L Shares (See Item 5)
EACH REPORTING PERSON		9	SOLE DISPOSITIVE POWER 891,695,928 L Shares (See Item 5)
WITH		10	SHARED DISPOSITIVE POWER 2,686,412 A Shares and 15,938,940,580 L Shares (See Item 5)
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,686,412 A Shares and 16,807,826,514 L Shares (See Item 5)
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES  x
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0.4% of A Shares and 27.5% of L Shares (See Item 5)
14	TYPE OF REPORTING PERSON IN

 CUSIP No.               02364W105 L Share ADSs 02364W204 A Share ADSs  13D  Page 8 of 24 Pages 

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Johanna Monique Slim Domit
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                                                                                                                                           (a) o                                                                                                                                     (b) x
3	SEC USE ONLY
4	SOURCE OF FUNDS AF (See Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)  o
6	CITIZENSHIP OR PLACE OF ORGANIZATION México
NUMBER OF SHARES		7	SOLE VOTING POWER 755,847,948 L Shares (See Item 5)
BENEFICIALLY OWNED BY		8	SHARED VOTING POWER 2,686,412 A Shares and 15,938,940,580 L Shares (See Item 5)
EACH REPORTING PERSON		9	SOLE DISPOSITIVE POWER 755,847,948 L Shares (See Item 5)
WITH		10	SHARED DISPOSITIVE POWER 2,686,412 A Shares and 15,938,940,580 L Shares (See Item 5)
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,686,412 A Shares and 16,691,378,534 L Shares (See Item 5)
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES  x
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0.4% of A Shares and 27.3% of L Shares (See Item 5)
14	TYPE OF REPORTING PERSON IN

 CUSIP No.               02364W105 L Share ADSs 02364W204 A Share ADSs  13D  Page 9 of 24 Pages 

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Grupo Financiero Inbursa, S.A.B. de C.V. (“GFI”)
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                                                                                                                                           (a) o                                                                                                                                     (b) x
3	SEC USE ONLY
4	SOURCE OF FUNDS WC and AF (See Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)  o
6	CITIZENSHIP OR PLACE OF ORGANIZATION México
NUMBER OF SHARES		7	SOLE VOTING POWER -0-
BENEFICIALLY OWNED BY		8	SHARED VOTING POWER 2,686,412 A Shares and 665,559,820 L Shares (See Item 5)
EACH REPORTING PERSON		9	SOLE DISPOSITIVE POWER -0-
WITH		10	SHARED DISPOSITIVE POWER 2,686,412 A Shares and 665,559,820 L Shares (See Item 5)
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,686,412 A Shares and 665,559,820 L Shares (See Item 5)
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0.4% of A Shares and 1.1% of L Shares (See Item 5)
14	TYPE OF REPORTING PERSON HC

 CUSIP No.               02364W105 L Share ADSs 02364W204 A Share ADSs  13D  Page 10 of 24 Pages 

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Inmobiliaria Carso, S.A. de C.V. (“Inmobiliaria Carso”)
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                                                                                                                                          (a) o                                                                                                                                     (b) x
3	SEC USE ONLY
4	SOURCE OF FUNDS WC (See Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)  o
6	CITIZENSHIP OR PLACE OF ORGANIZATION México
NUMBER OF SHARES		7	SOLE VOTING POWER -0-
BENEFICIALLY OWNED BY		8	SHARED VOTING POWER 2,698,490,986 L Shares (See Item 5)
EACH REPORTING PERSON		9	SOLE DISPOSITIVE POWER -0-
WITH		10	SHARED DISPOSITIVE POWER 2,698,490,986 L Shares (See Item 5)
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,698,490,986 L Shares (See Item 5)
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 4.4% of L Shares (See Item 5)
14	TYPE OF REPORTING PERSON CO

 CUSIP No.               02364W105 L Share ADSs 02364W204 A Share ADSs  13D  Page 11 of 64 Pages 

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Trust No. F/0008 (the “Telmex Trust”)
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                                                                                                                                          (a) o                                                                                                                                     (b) x
3	SEC USE ONLY
4	SOURCE OF FUNDS WC (See Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)  o
6	CITIZENSHIP OR PLACE OF ORGANIZATION México
NUMBER OF SHARES		7	SOLE VOTING POWER 1,585,224,748 L Shares (See Item 5)
BENEFICIALLY OWNED BY		8	SHARED VOTING POWER -0-
EACH REPORTING PERSON		9	SOLE DISPOSITIVE POWER 1,585,224,748 L Shares (See Item 5)
WITH		10	SHARED DISPOSITIVE POWER -0-
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,585,224,748 L Shares (See Item 5)
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 2.6% of L Shares (See Item 5)
14	TYPE OF REPORTING PERSON EP

 CUSIP No.               02364W105 L Share ADSs 02364W204 A Share ADSs  13D  Page 12 of 24 Pages 

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Trust No. F/0395 (the “Telnor Trust”)
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                                                                                                                                           (a) o                                                                                                                                     (b) x
3	SEC USE ONLY
4	SOURCE OF FUNDS WC (See Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)  o
6	CITIZENSHIP OR PLACE OF ORGANIZATION México
NUMBER OF SHARES		7	SOLE VOTING POWER 40,763,430 L Shares (See Item 5)
BENEFICIALLY OWNED BY		8	SHARED VOTING POWER -0-
EACH REPORTING PERSON		9	SOLE DISPOSITIVE POWER 40,763,430 L Shares (See Item 5)
WITH		10	SHARED DISPOSITIVE POWER -0-
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 40,763,430 L Shares (See Item 5)
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0.1% of L Shares (See Item 5)
14	TYPE OF REPORTING PERSON EP

 CUSIP No.               02364W105 L Share ADSs 02364W204 A Share ADSs  13D  Page 13 of 24 Pages 

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Fundación Telmex, A.C. (“Fundación Telmex”)
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                                                                                                                                          (a) o                                                                                                                                     (b) x
3	SEC USE ONLY
4	SOURCE OF FUNDS WC (See Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)  o
6	CITIZENSHIP OR PLACE OF ORGANIZATION México
NUMBER OF SHARES		7	SOLE VOTING POWER 168,049,532 L Shares (See Item 5)
BENEFICIALLY OWNED BY		8	SHARED VOTING POWER -0-
EACH REPORTING PERSON		9	SOLE DISPOSITIVE POWER 168,049,532 L Shares (See Item 5)
WITH		10	SHARED DISPOSITIVE POWER -0-
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 168,049,532 L Shares  (See Item 5)
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0.3% of L Shares (See Item 5)
14	TYPE OF REPORTING PERSON PN

 CUSIP No.               02364W105 L Share ADSs 02364W204 A Share ADSs  13D  Page 14 of 24 Pages 

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Fundación Carlos Slim, A.C., formerly known as Fundación Carso, A.C. (“Fundación Carlos Slim” )
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                                                                                                                                           (a) o                                                                                                                                     (b) x
3	SEC USE ONLY
4	SOURCE OF FUNDS WC (See Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)  o
6	CITIZENSHIP OR PLACE OF ORGANIZATION México
NUMBER OF SHARES		7	SOLE VOTING POWER 374,514,510 L Shares (See Item 5)
BENEFICIALLY OWNED BY		8	SHARED VOTING POWER -0-
EACH REPORTING PERSON		9	SOLE DISPOSITIVE POWER 374,514,510 L Shares (See Item 5)
WITH		10	SHARED DISPOSITIVE POWER -0-
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 374,514,510 L Shares  (See Item 5)
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0.6% of L Shares (See Item 5)
14	TYPE OF REPORTING PERSON PN

 CUSIP No.               02364W105 L Share ADSs 02364W204 A Share ADSs  13D  Page  15 of 24 Pages 

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Instituto Carlos Slim de la Salud, A.C., formerly known as Instituto Carso Salud, A.C. (“Instituto Carlos Slim de la Salud”)
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                                                                                                                                          (a) o                                                                                                                                     (b) x
3	SEC USE ONLY
4	SOURCE OF FUNDS WC (See Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)  o
6	CITIZENSHIP OR PLACE OF ORGANIZATION México
NUMBER OF SHARES		7	SOLE VOTING POWER 38,693,200 L Shares (See Item 5)
BENEFICIALLY OWNED BY		8	SHARED VOTING POWER -0-
EACH REPORTING PERSON		9	SOLE DISPOSITIVE POWER 38,693,200 L Shares (See Item 5)
WITH		10	SHARED DISPOSITIVE POWER -0-
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 38,693,200 L Shares (See Item 5)
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0.1% of L Shares (See Item 5)
14	TYPE OF REPORTING PERSON PN

 CUSIP No.               02364W105 L Share ADSs 02364W204 A Share ADSs  13D  Page 16 of 24 Pages 

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Trust No. F/0126 (the “Control Trust”)
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                                                                                                                                          (a) o                                                                                                                                     (b) x
3	SEC USE ONLY
4	SOURCE OF FUNDS WC (See Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)  o
6	CITIZENSHIP OR PLACE OF ORGANIZATION México
NUMBER OF SHARES		7	SOLE VOTING POWER  13,966,982,674 L Shares (See Item 5)
BENEFICIALLY OWNED BY		8	SHARED VOTING POWER -0-
EACH REPORTING PERSON		9	SOLE DISPOSITIVE POWER 13,966,982,674 L Shares (See Item 5)
WITH		10	SHARED DISPOSITIVE POWER -0-
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 13,966,982,674 L Shares (See Item 5)
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 22.9% of L Shares (See Item 5)
14	TYPE OF REPORTING PERSON OO

 CUSIP No.               02364W105 L Share ADSs 02364W204 A Share ADSs  13D  Page 17 of 24 Pages 

Item 1.                      Security and Issuer.

This Amendment No. 25 (the “Twenty-Fifth Amendment”) amends the Schedule 13D filed with the Securities and Exchange Commission (the “Commission”) on March 8, 2001, as subsequently amended (the “Schedule 13D”), by the Reporting Persons (as defined below), with respect to the American Depositary Shares (“L Share ADSs”), each representing 20 Series L Shares  (“L Shares”), and the American Depositary Shares (“A Share ADSs”), each representing 20 Series A Shares  (“A Shares”), of América Móvil, S.A.B. de C.V. (the “Issuer”).  Capitalized terms used but not otherwise defined in this Twenty-Fifth Amendment have the meanings ascribed to such terms in the Schedule 13D, as amended.

Item 3. Source and Amount of Funds or Other Consideration.

In the period subsequent to the filing of Amendment No. 24 to the Schedule 13D filed with the Commission on July 15, 2011 (the “Twenty-Fourth Amendment”), the Reporting Persons acquired L Shares and A Shares pursuant to the following purchases:

·   Carlos Slim Helú purchased 61,025,700 L Shares for an aggregate purchase price of $72,253,218.  The funds used to purchase such L Shares were obtained from personal funds.

·   GFI purchased (i) 724,800 A Shares for an aggregate price of $949,848 and (ii) 47,166,000 L Shares for an aggregate price of $57,552,422.  The funds used to purchase such A Shares and L Shares were obtained from the working capital of certain subsidiaries of GFI.

·   Fundacion Telmex purchased 2,400,000 L Shares for an aggregate purchase price of $2,886,505.  The funds used to purchase such L Shares were obtained from the working capital of Fundación Telmex.

·   Fundación Carlos Slim purchased 6,000,000 L Shares for an aggregate purchase price of $6,777,618.  The funds used to purchase such L Shares were obtained from the working capital of Fundación Carlos Slim.

Other than the foregoing, no A Shares or L Shares were acquired by the Reporting Persons since the Twenty-Fourth Amendment.

 CUSIP No.               02364W105 L Share ADSs 02364W204 A Share ADSs  13D  Page 18 of 24 Pages 

Item 5. Interest in Securities of the Issuer.

(a)           The Reporting Persons have the following interests in A Shares and L Shares:

A Shares(1)		L Shares(2)
Number	% of Class	Number	% of Class

Carlos Slim Helú(3)	2,686,412	0.4%	18,123,352,200	29.7%
Carlos Slim Domit(4)	2,686,412	0.4%	17,505,872,490	28.7%
Marco Antonio Slim Domit(5)	2,686,412	0.4%	17,508,193,268	28.7%
Patrick Slim Domit(6)	2,686,412	0.4%	17,760,726,754	29.1%
María Soumaya Slim Domit(7)	2,686,412	0.4%	16,695,532,378	27.3%
Vanessa Paola Slim Domit(8)	2,686,412	0.4%	16,807,826,514	27.5%
Johanna Monique Slim Domit(9)	2,686,412	0.4%	16,691,378,534	27.3%
GFI(10)                   ��	2,686,412	0.4%	665,559,820	1.1%
Inmobiliaria Carso(11)	-	0.0%	2,698,490,986	4.4%
Telmex Trust(12)	-	0.0%	1,585,224,748	2.6%
Telnor Trust(12)	-	0.0%	40,763,430	0.1%
Fundación Telmex(12)	-	0.0%	168,049,532	0.3%
Fundación Carlos Slim(12)	-	0.0%	374,514,510	0.6%
Instituto Carlos Slim de la Salud(12)	-	0.0%	38,693,200	0.1%
Control Trust(13)	-	0.0%	13,966,982,674	22.9%

(1) Based upon 765,644,123 A Shares outstanding as of October 27, 2011, as reported by the Mexican Stock Exchange (Bolsa Mexicana de Valores, S.A. de C.V.).  Includes A Shares held in the form of A Share ADSs.

(2) Based upon 53,088,523,217 L Shares outstanding as of October 27, 2011, as reported by the Mexican Stock Exchange.  Includes L Shares held in the form of L Share ADSs.  L Share totals and percentages assume that all of the A Shares and 7,968,872,660 AA Shares (which is the maximum number of AA Shares that can be converted to L Shares) held by the relevant Reporting Persons have been converted into L Shares in accordance with the restrictions set forth in Item 4 of the Schedule 13D.

(3) Includes 3,050,988,714 L Shares (assuming conversion, to the extent permitted in accordance with the restrictions set forth in Item 4 of the Schedule 13D, of 866,577,094 AA Shares) owned directly by Carlos Slim Helú and shares owned by the Control Trust, GFI and Inmobiliaria Carso.

(4) Includes 2,455,141,910 L Shares (assuming conversion, to the extent permitted in accordance with the restrictions set forth in Item 4 of the Schedule 13D, of 888,210,000 AA Shares) owned directly by Carlos Slim Domit and shares owned by the Control Trust, GFI and Inmobiliaria Carso.

(5) Includes 2,458,462,682 L Shares (assuming conversion, to the extent permitted in accordance with the restrictions set forth in Item 4 of the Schedule 13D, of 889,209,994 AA Shares) owned directly by Marco Antonio Slim Domit and shares owned by the Control Trust, GFI and Inmobiliaria Carso.

(6) Includes 2,709,996,174 L Shares (assuming conversion, to the extent permitted in accordance with the restrictions set forth in Item 4 of the Schedule 13D, of 888,210,000 AA Shares) owned directly by Patrick Slim Domit and shares owned by the Control Trust, GFI and Inmobiliaria Carso.

(7) Includes 756,601,792 L Shares (assuming conversion, to the extent permitted in accordance with the restrictions set forth in Item 4 of the Schedule 13D, of 9,994 AA Shares) owned directly by María Soumaya Slim Domit and shares owned by the Control Trust, GFI and Inmobiliaria Carso.

(8) Includes 891,695,928 L Shares (assuming conversion, to the extent permitted in accordance with the restrictions set forth in Item 4 of the Schedule 13D, of 22,809,994 AA Shares) owned directly by Vanessa Paola Slim Domit and jointly with her spouse.

(9) Includes 755,847,948 L Shares (assuming conversion, to the extent permitted in accordance with the restrictions set forth in Item 4 of the Schedule 13D, of 3,409,994 AA Shares) owned directly by Johanna Monique Slim Domit and jointly with her spouse.

 CUSIP No.               02364W105 L Share ADSs 02364W204 A Share ADSs  13D  Page 19 of 24 Pages 

(10) Includes shares owned by trusts managed by GFI for the benefit of employees of entities controlled by the Slim Family.

(11) Includes shares owned by subsidiaries of Inmobiliaria Carso.

(12) Shares disclaimed by the Slim Family.

(13) Includes 5,998,110,014 L Shares and 7,968,872,660 AA Shares, which are assumed to have been converted in accordance with the restrictions set forth in Item 4 of the Schedule 13D, held for the benefit of the Slim Family.

 (b)           Because the Slim Family beneficially owns a majority of the outstanding voting equity securities of GFI, Inmobiliaria Carso and the Control Trust, the Slim Family may be deemed to share the power to vote or dispose of, or to direct the voting or disposition of, any A Shares or L Shares owned by such persons (including those beneficially owned by the Telmex Trust, the Telnor Trust, Fundación Telmex, Fundación Carlos Slim and Instituto Carlos Slim de la Salud).  Because a board, the majority of whose members are members of the Slim Family or employees of one of the Reporting Persons that may be deemed to be controlled by the Slim Family, makes investment decisions for each of Fundación Telmex, Fundación Carlos Slim and Instituto Carlos Slim de la Salud, the Slim Family may be deemed to share the power to vote or dispose of, or to direct the voting or disposition of, any A Shares or L Shares owned by Fundación Telmex, Fundación Carlos Slim and Instituto Carlos Slim de la Salud.  In addition, each of GFI and Inmobiliaria Carso control the investment decisions of trusts established for the benefit of their employees and entities controlled by them.  As such, the Slim Family may be deemed to have the right to direct the voting or disposition of any A Shares or L Shares owned by such trusts.  Except as otherwise disclosed herein, none of the Reporting Persons shares voting or disposition power with respect to any of the A Shares or L Shares owned by the Reporting Persons.

(c)           All transactions in A Shares and L Shares effected by the Reporting Persons during the period beginning 60 days prior to the event which requires the filing of this statement are listed in Schedule I.

(d)           All A Shares and L Shares owned by trusts for the benefit of the Slim Family may be deemed to be beneficially owned by each member of the Slim Family that is a beneficiary of such trusts.  Thus, beneficial ownership of A Shares and L Shares may be deemed to be shared by each member of the Slim Family.  Because the Slim Family beneficially owns a majority of the outstanding voting equity securities of GFI, Inmobiliaria Carso and the Control Trust, the Slim Family may be deemed to have the right to receive or the power to direct the receipt of dividends from, or the proceeds of the sale of, any A Shares or L Shares owned by such persons.  Because a board, the majority of whose members are members of the Slim Family or employees of one of the Reporting Persons that may be deemed to be controlled by the Slim Family, makes investment decisions for Fundación Telmex, Fundación Carlos Slim and Instituto Carlos Slim de la Salud, the Slim Family may be deemed to have the right to receive or the power to direct the receipt of dividends from, or the proceeds of the sale of, any A Shares or L Shares owned by Fundación Telmex, Fundación Carlos Slim and Instituto Carlos Slim de la Salud.  In addition, each of GFI and Inmobiliaria Carso control the investment decisions of trusts established for the benefit of employees and entities controlled directly and indirectly by the Slim Family.  As such, the Slim Family may be deemed to have the right to receive or the power

 CUSIP No.               02364W105 L Share ADSs 02364W204 A Share ADSs  13D  Page 20 of 24 Pages 

to direct the receipt of dividends from, or the proceeds of the sale of, any A Shares or L Shares owned by such trusts.  Except as otherwise disclosed herein, no person other than the Reporting Persons has or will have any right to receive or the power to direct the receipt of dividends from, or the proceeds of the sale of, any A Shares or L Shares owned by the Reporting Persons.

(e)           Not applicable.

Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.

Other than as disclosed in Item 4 of the Twenty-Fourth Amendment, there are no other contracts, arrangements, understandings or relationships (legal or otherwise) among the Reporting Persons and between such persons and any person with respect to A Shares or L Shares.

Item 7.                      Material to be Filed as Exhibits.

The Powers of Attorney for (i) the members of the Slim Family and Inmobiliaria Carso, filed as exhibits to the Form 4 filed by the Reporting Persons with the Commission on January 2, 2009 in respect of their ownership of equity shares in Bronco Drilling Company, Inc., (ii) GFI, filed as an exhibit to the Schedule 13G filed by the Reporting Person with the Commission on January 22, 2009 in respect of its ownership in equity shares of the New York Times Company, (iii) the Telmex Trust and the Telnor Trust, each filed as an exhibit to the Schedule 13D filed by the Reporting Persons with the Commission on March 17, 2009 in respect of their ownership in equity shares of the Issuer, (iv) Fundación Telmex and Fundación Carlos Slim, each filed as an exhibit to the Schedule 13D filed by the Reporting Persons with the Commission on July 30, 2010 in respect of their ownership in equity shares of Teléfonos de México, S.A.B. de C.V. and (v) Instituto Carlos Slim de la Salud and the Control Trust, each filed as an exhibit to the Schedule 13D filed by the Reporting Persons with the Commission on July 30, 2010 in respect of their ownership in equity shares of the Issuer, and the Joint Filing Agreement filed as an exhibit to the Schedule 13D filed by the Reporting Persons with the Commission on July 30, 2010 in respect of their ownership in equity shares of the Issuer are all hereby incorporated herein by reference.

 CUSIP No.               02364W105 L Share ADSs 02364W204 A Share ADSs  13D  Page 21 of 24 Pages 

SIGNATURE

After reasonable inquiry, and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

________________________________
Carlos Slim Helú
________________________________
Carlos Slim Domit	By:   /s/ Eduardo Valdés Acra
	Eduardo Valdés Acra
________________________________	Attorney-in-Fact
Marco Antonio Slim Domit	November 7, 2011
________________________________
Patrick Slim Domit
________________________________
María Soumaya Slim Domit
________________________________
Vanessa Paola Slim Domit
________________________________
Johanna Monique Slim Domit
INMOBILIARIA CARSO, S.A. DE C.V.
________________________________
By: Eduardo Valdés Acra
Title: Attorney-in-Fact

 CUSIP No.               02364W105 L Share ADSs 02364W204 A Share ADSs  13D  Page 22 of 24 Pages 

GRUPO FINANCIERO

INBURSA, S.A.B. DE C.V.

                ________________________________ 

By: Eduardo Valdés Acra

Title: Attorney-in-Fact

BANCO INBURSA S.A.,

INSTITUCION DE BANCA

MULTIPLE, GRUPO FINANCIERO

INBURSA, DIVISION

FIDUCIARIA, AS TRUSTEE

OF TRUST NO. F/0008

                ________________________________ 

By:   Eduardo Valdés Acra

Title:  Attorney-in-Fact

BANCO INBURSA S.A.,

INSTITUCION DE BANCA

MULTIPLE, GRUPO FINANCIERO

INBURSA, DIVISION

FIDUCIARIA, AS TRUSTEE

OF TRUST NO. F/0395

                ________________________________ 

By:   Eduardo Valdés Acra

Title:  Attorney-in-Fact

FUNDACIÓN TELMEX, A.C.

                ________________________________ 

By:   Eduardo Valdés Acra

Title:  Attorney-in-Fact

FUNDACIÓN CARLOS SLIM, A.C.

                ________________________________ 

By:   Eduardo Valdés Acra

Title:  Attorney-in-Fact

INSTITUTO CARLOS SLIM DE LA SALUD, A.C.

                ________________________________ 

By:   Eduardo Valdés Acra

Title:  Attorney-in-Fact

 CUSIP No.               02364W105 L Share ADSs 02364W204 A Share ADSs  13D  Page 23 of 24 Pages 

BANCO INBURSA S.A.,

INSTITUCION DE BANCA

MULTIPLE, GRUPO FINANCIERO

INBURSA, DIVISION

FIDUCIARIA, AS TRUSTEE

OF TRUST NO. F/0126

                ________________________________ 

By:   Eduardo Valdés Acra

Title:  Attorney-in-Fact

 CUSIP No.               02364W105 L Share ADSs 02364W204 A Share ADSs  13D  Page 24 of 24 Pages 

SCHEDULE I

For the period beginning 60 days prior to the event which requires the filing of this statement, the Reporting Persons set forth below effected the following transactions in A Shares on the Mexican Stock Exchange.  The prices below reflect the price paid (in US$ based upon the Exchange Rate published by the Banco de México on the trade date) by the purchasers per A Share on the relevant trade date.

A Shares

	Reporting Person	Type of Transaction	Trade Date	Number of A Shares	Price per Share US Dollars
GFI		Purchase	08/19/11	8,400	1.17
GFI		Purchase	08/24/11	3,800	1.19
GFI		Purchase	09/26/11	100	1.09