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Photo: Rafael Henrique/SOPA Images/LightRocket via Getty Images

Dish Network says that T-Mobile has gone back on promises it made in order to win permission to buy Sprint and is asking the California Public Utilities Commission to enforce the company's pre-merger commitments.

Why it matters: The effort, which follows a complaint to the FCC, centers around T-Mobile's decision to end support for Sprint's older CDMA network at the beginning of next year — a network still used by the majority of Dish's customers.

The big picture: T-Mobile's acquisition was controversial and the ultimate approval was conditioned upon selling Sprint's prepaid business to Dish. As part of that, Dish is using T-Mobile's network while it builds out its own 5G network from scratch.

The latest: In its petition to California regulators, Dish says that T-Mobile is going against a public commitment to operate the CDMA network for three years.

  • "T-Mobile’s January 1, 2022 date is inconsistent with prior statements the company made to the Commission – in sworn testimony and written briefs – that the network will be operational for at least three years to facilitate a seamless transition for customers utilizing the legacy Sprint CDMA network," Dish said in the filing, which was obtained by Axios.

Dish is asking the California PUC to reopen its merger investigation for the purpose of forcing T-Mobile to live up to that commitment. Dish has said it believes T-Mobile is trying to use the network shutoff as a way to get back the very prepaid customers it sold to Dish.

The other side: T-Mobile, for its part, has said it provided Dish with more than the 6 months notice required in its contract with the satellite firm. It maintains that it is Dish's responsibility to convert its customers over to phones compatible with T-Mobile's current network, just as it is doing for former Sprint customers still on the older network.

Go deeper: T-Mobile, once an upstart, joins the giants

Go deeper

Ina Fried, author of Login
Apr 26, 2021 - Technology

T-Mobile, once an upstart, joins the giants

Illustration: Sarah Grillo/Axios

T-Mobile has long positioned itself as a disruptive underdog, but a year after the close of its purchase of Sprint, the "un-carrier" has fully joined Verizon and AT&T in the U.S. wireless-provider big league.

Why it matters: Nearly everyone in America has a cell phone, and most people send a significant chunk of change each month to one of the major carriers, making healthy competition in this market a must.

Sarah Palin tests positive for COVID, delaying defamation trial

Sarah Palin. Photo: Matthew Staver/Bloomberg via Getty Images

Former Alaska Gov. Sarah Palin (R) tested positive for COVID-19 on Monday, delaying the start of her defamation trial against the New York Times.

Why it matters: The trial will be closely watched, as it's a rare instance of a major media company defending its editorial practices before an American jury.

S&P 500 slides into correction territory

Data: FactSet; Chart: Axios Visuals

Stocks suffered their worst drop of the year, pushing the S&P 500 on track to fall into a "correction."

Driving the news: The benchmark S&P 500 dropped for its fifth straight day, with losses nearing 3% in early trading.