The following discussion relates to our results of operations for the three months ended June 30, 2024 compared to the three months ended June 30, 2023:
Broadband Subscribers. We lost approximately 23,000 net Broadband subscribers for the three months ended June 30, 2024 compared to the loss of approximately 55,000 net Broadband subscribers during the same period in 2023. The net Broadband subscriber loss improvement was primarily due to the new EchoStar XXIV satellite service launch and increased subscriber demand for our new satellite service plans. Churn of legacy subscribers has started to improve as prior churn and migrations have resulted in increased capacity availability and service satisfaction. We continue to operate in a highly competitive environment, with continued pressure from satellite-based competitors and other technologies.
Service revenue. Service revenue totaled $304 million for the three months ended June 30, 2024, a decrease of $66 million, or 17.7%, as compared to 2023. The decrease was primarily attributable to lower sales of broadband services to our North American consumer and enterprise customers, and to our international consumer customers. The three months ended June 30, 2023 was positively impacted by revenue from Hughes Systique which was deconsolidated from our Condensed Consolidated Financial Statements as of December 31, 2023.
Equipment and other revenue. Equipment and other revenue totaled $86 million for the three months ended June 30, 2024, an increase of $4 million, or 5.0%, as compared to 2023. The change was primarily attributable to an increase in hardware sales to our international enterprise customers, partially offset by a decrease in hardware sales to our mobile satellite system customers.
Cost of services. Cost of services totaled $172 million for the three months ended June 30, 2024, an increase of $41 million, or 31.5%, as compared to 2023. The increase was primarily attributable to an increase in transponder lease costs from the EchoStar XXIV operating lease and higher costs incurred in providing services in North America, partially offset by the corresponding decreases in services revenue.
Cost of sales - equipment and other. Cost of sales - equipment and other totaled $78 million for the three months ended June 30, 2024, an increase of $22 million, or 39.4%, as compared to 2023. The increase was primarily attributable to the corresponding increase in equipment revenue and higher costs incurred in providing equipment in North America.
Selling, general and administrative expenses. Selling, general and administrative expenses totaled $93 million for the three months ended June 30, 2024, a decrease of $16 million, or 14.9%, as compared to 2023. The decrease was primarily attributable to decreases in sales and marketing expenses.
Interest income, net. Interest income, net totaled $4 million for the three months ended June 30, 2024, a decrease of $17 million, or 82.4% as compared to 2023. This decrease primarily resulted from lower average cash and marketable investment securities balances during the three months ended June 30, 2024.
Other-than-temporary impairment losses on equity method investments. Other-than-temporary impairment losses on equity method investments was $33 million for the three months ended June 30, 2023, related to the impairment of our investment in Broadband Connectivity Solutions (Restricted) Limited (BCS) as a result of increased competition and the economic environment of this business.
Income tax benefit (provision), net. Our income tax benefit (provision), net was $11 million benefit for the three months ended June 30, 2024, as compared to $19 million provision for the three months ended June 30, 2023. This change was primarily related to a decrease in “Income (loss) before income taxes” and changes in our effective tax rate. Our effective tax rate during the three months ended June 30, 2024 was impacted by federal and foreign valuation allowances and an increase in our uncertain tax positions. Our effective tax rate during the three months ended June 30, 2023 was impacted by federal and foreign valuation allowances and an increase in our valuation allowance related to investment impairment losses.