Hi. I have simila,r but other problem with Kyivstar on my iphone 8. However switching to Lifecell resolved it. Could you try it for a couple of days?I have the same problem after updating iOS 13.2. Ukraine, Kyivstar
I made a thread about my problem:
iPhone 8 lte switching problem
It goes something like this: I make a call or take a call, during the call - phone switches to 3G. After call, it switches back to LTE and falls to 1 reception point. After 5 seconds or so - it switches to - No service. If I leave phone - it would just be out of service for a long time. If I...