Mobile telecommunications services

FILE - In this Dec. 6, 2018, file photo, a man lights a cigarette outside a Huawei retail shop in Beijing. The Federal Communications Commission on Friday, Nov. 22, 2019 voted, 5-0, to bar U.S. telecommunications providers from using government subsidies to pay for networking equipment from companies that are a threat to national security. The agency says China’s Huawei and ZTE pose such a threat. (AP Photo/Ng Han Guan, File)

A shopper looks at extension cords at B&C Ace hardware store, Tuesday, Nov. 19, 2019, in Grass Valley, Calif., in preparation of the planned Pacific Gas & Electric power shutdown scheduled for Wednesday and Thursday. (Elias Funez/The Union via AP)

FILE - In this July 30, 2019, file photo a woman walks by a Huawei retail store in Beijing. The Trump administration has extended for 90 more days a limited reprieve on U.S. technology sales to the Chinese technology giant Huawei. The U.S. government blacklisted Huawei in May, deeming it a national security risk so U.S. firms aren't allow to sell the company technology without government approval. But numerous loopholes have been exploited, including by U.S. semiconductor suppliers. And the administration says it’s preparing to grand some exemptions. (AP Photo/Andy Wong, File)

FILE - In this Nov. 7, 2019, file photo, T-Mobile President Mike Sievert, left, and CEO John Legere smile during a press conference in New York. T-Mobile says its colorful CEO John Legere is stepping down next year, even as the wireless company’s long-running effort to merge with rival Sprint remains unfinished. T-Mobile’s current president and chief operating officer, Mike Sievert, will become CEO in May after Legere’s contract ends. (Brian Ach/AP Images for T-Mobile, File)

FILE - In this Oct. 24, 2013, file photo, a person checks their smartphone in Glenview, Ill. A mysterious wave of texts swept America’s phones overnight Wednesday, Nov. 6, 2019, delivering unintelligible messages that left many people mildly confused when they woke up on Thursday. (AP Photo/Nam Y. Huh, File)

FILE - In this Oct. 24, 2013, file photo, a person checks their smartphone in Glenview, Ill. A mysterious wave of texts swept America’s phones overnight Wednesday, Nov. 6, 2019, delivering unintelligible messages that left many people mildly confused when they woke up on Thursday. (AP Photo/Nam Y. Huh, File)

Huawei Rotating Chairman Guo Ping addresses attendees at the Web Summit technology conference in Lisbon, Monday, Nov. 4, 2019. (AP Photo/Armando Franca)

Indian National flag is hoisted on the government civil secretariat building in Srinagar, Indian controlled Kashmir, Thursday, Oct. 31, 2019. Kashmir's local flag, which used to flutter along with India's flag, has already been removed after New Delhi early August stripped the disputed Himalayan region of Kashmir from its semiautonomous status and downgraded its statehood, formally taking direct control over the region on Thursday. (AP Photo/ Dar Yasin)

FILE - In this July 30, 2019, file photo a woman walks by a Huawei retail store in Beijing. U.S. regulators are proposing to cut off funding for Chinese equipment in U.S. networks, citing security threats. The proposal would mean that telecom companies receiving government subsidies can’t use those to pay for networking equipment from Huawei and ZTE. (AP Photo/Andy Wong, File)

FILE - In this July 30, 2019, file photo a woman walks by a Huawei retail store in Beijing. U.S. regulators are proposing to cut off funding for Chinese equipment in U.S. networks, citing security threats. The proposal would mean that telecom companies receiving government subsidies can’t use those to pay for networking equipment from Huawei and ZTE. (AP Photo/Andy Wong, File)