: Sites like Back Market often stock older iPhones that have been inspected for hardware functionality. Buying Checklist & Considerations
[Guide] How to enable LTE (4G) on any iPhone 5 on iOS 6 : r/LegacyJailbreak
: This model does not support Voice over LTE (VoLTE). Since AT&T and other major US carriers have shut down their 3G networks, you will likely be unable to make traditional voice calls on this device.
: Sites like Back Market often stock older iPhones that have been inspected for hardware functionality. Buying Checklist & Considerations
[Guide] How to enable LTE (4G) on any iPhone 5 on iOS 6 : r/LegacyJailbreak
: This model does not support Voice over LTE (VoLTE). Since AT&T and other major US carriers have shut down their 3G networks, you will likely be unable to make traditional voice calls on this device.