Exhibit 31.1
CERTIFICATION UNDER SECTION 302
OF THE SARBANES-OXLEY ACT OF 2002
I, Roberto Rittes, certify that:
| 1. | I have reviewed this first amendment to the annual report on Form 10-K for the period ended December 31, 2018 of NII Holdings, Inc.; and |
| 2. | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report |
April 30, 2019
| /s/ ROBERTO RITTES | ||
| Roberto Rittes | ||
| Principal Executive Officer | ||