Will 4G phones continue to work? 4G devices will continue to work . Mobile providers are expected to maintain their 4G networks as they invest in 5G deployment. If your mobile device is more than a few years old, it may be a 3G device.
Read moreHow long until 4G is obsolete?
T-Mobile has listed the dates for shutting down Sprint’s 3G and 4G LTE networks, and migrating people to modern broadband speed pastures. These are January 1, 2022 for Sprint’s 3G network sunset, and June 30, 2022 for the 4G LTE connections, respectively.
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