Forum Discussion
S21 Ultra won't connect to 4G and 5G after screen replacement
I just replaced my screen at a repair shop in Greece after I dropped my phone. Since returning to the US, I cannot access 4G or 5G, only the Edge network and WI-FI. I have: Cycled airplane mode on...
Have you considered contacting Samsung to have the device repaired properly? You could always trade it in towards getting a new device. When disassembling these devices. There are a lot of things to disconnect and detach and reattach. Depending on how the old screen was removed. It might have damaged the antenna for 3G/4G/5G. Did you check to make sure that only the screen was replaced? If there was a main board swap, the device would potentially show a different model number.
