“Is the 4G or 4G LTE SIM card going to work when I insert it into S21 5G unlocked phone? 1. Is it going to fit in the slot? 2. Should I get the 5G SIM card later for getting the actual 5G speed?”
Answer This Question
1-1 of 1 Answer
My phone worked with the older SIM card but I did have some dropped calls when down in the Vegas area on AT&T. Last month my carrier notified me that my phone needed an upgrade and the new 5G chip connected better when down in Vegas and it was the same size as the old chip, just upgraded connection.
Sorry, there was a problem. Please try again later.