Can't purchase original Apple parts , So yes OEM Parts only . But You can swap parts from one phone to another then the phone would have original Parrs
A few answered correctly . Submit a ticket CS_Agent will be able to provide you or guide step by step procedure, that being said , account number - email adress associated with your account and 4 last digits credit card this information would make it...
LTE would be more stable right now on a global usage. 5G is fast when your close to the Tower and outside. Has alot of connection and disconnection issues when indoors.
I would verify Cellular settings see if LTE / 5G are in cellular data options ? If non of the above are in your settings and you see just 3 G? I would reset network settings only , it will not erase esim , Then Restart your device and make sure you...