Google rolled out a VoLTE roaming update a few days back to some of its best phones, including the Pixel 6 duo, Pixel 5 and 5a (5G), Pixel 4a and 4a (5G), Pixel 4 duo, and Pixel 3a and 3a XL.. T-Mobile will start turning off its 3G networks in July and devices that don’t support VoLTE will lose voice calling service. Google’s Fi cellular service explains on its website that some unsupported devices may lose voice calling services when 3G networks are phased out. That means you will not be able to use your phone for voice calls, even during emergencies, and will have minimal connectivity. You will still be able to use Wi-Fi for calls though. Coverage on 4G and 5G networks will not be affected.
T-3G Mobile’s network is on its way down, and older Google Pixel phones will be rendered unusable once it goes away. T-subsidiary Mobile’s Sprint’s 3G CDMA network was recently shut down, and the company has created a new technology dubbed Voice over 5G New Radio technology, or VoNR. It would enable speedier call setup times and higher call quality than 4G Voice over LTE, or VoLTE, according to the company. Voice calls over a 4G LTE network are known as VoLTE. When compared to 2G and 3G connections, it provides superior call quality. Phones that do not enable VoLTE roaming may become functionally worthless if 3G networks are decommissioned.
Google recommends that you upgrade to a new phone if you think the T-Mobile 3G shutdown will affect you. The Pixel 1 and Pixel 2 will definitely be impacted and users of these phones will not have connectivity when roaming domestically. If you own a Pixel 3, you may have reduced ability to make calls while roaming. The good news is only a few people own 3G-only handsets today, so most users will not be affected.