No, there is no 5G SIM card . Yes, you do have to have a 5G plan. It’s not something you can add, you either have a plan that supports 5G or you don’t. If you do have a 5G plan, the issue may be ATT does not recognize your device as a 5G phone.
No, there is no 5G SIM card . Yes, you do have to have a 5G plan. It’s not something you can add, you either have a plan that supports 5G or you don’t. If you do have a 5G plan, the issue may be ATT does not recognize your device as a 5G phone.