I have restored the first device to factory settings and set up as new, replaced the SIM multiple times, then Apple also replaced my iPhone, and the issue persists with the second iPhone. What do I do at this point? This happened suddenly a couple we...
It was an unlocked phone from the Apple Store. It worked perfectly up until a couple weeks ago. And yes, I've used the SIM card in other phones and I'm experiencing the same kind of service.
