Toupgrade your 3G phone to 4G, you need to purchase a new phone and a 4G SIM card. Your 3G phone will still work with the 4G network, but you will be able to take advantage of the faster speeds and more capacity of the 4G network. Once you have your new phone and 4G SIM card, you will need to activate your 4G service. howto convert 3g mobile phone to 4g phone or convert 4g device to 5g device is it possible to convert any 2g phone to 3g and 3g phone to 4G Mobile so in thi Thisguide will show you how to switch between 2G, 3G, 4G and 5G if you experience problems in the network. NOTICE: SCREEN IMAGES MAY DIFFER FROM YOUR ACTUAL DEVICE. 2 Asmall number of T-Mobile, T-Mobile Prepaid, and Metro by T-Mobile customers will be affected by an upcoming network update. As a result of the network update going into place on 1/29/2021, we identified a small number of older devices that are not able to receive a manufacturer software update and as a result, these devices will be unable to ContentTeam. All major US cellular networks shut down legacy 3G support in 2022. AT&T shut down its 3G GSM network in late February, T-Mobile began shutting down part of its network at the end of March, and Verizon officially sunset its legacy network on December 31. Now that these changes have taken place, users with older phones will see Followthe steps below to check if your phone supports a 4G network. Go to the menu and click on "Settings". Scroll down and click on the Network and Internet tab. Click on Mobile Network. Then, tap on Preferred network type. The next page will display the available networks that are accessible to your phone. .

can a 3g tablet be upgraded to 4g