Can I Unlock a TMobile XR to use on AT&T ?
Got a new iPhoneXR in a sealed box. Its locked w/T-Mobile & I want to use it on AT&T. T-Mobile says they won't unlock it w/o the original T-Mobile# which I don't have & they won't use the Serial/IMEI #'s. Suggestions or do I have a $1000 paperweight
iPhone XR