Supposedly because the phones did not have HD Voice/VoLTE support.

Now this logic is being extended to most phone models, even new models, even if the phones actually work on the phone networks! Biggest scammer companies are Mint and Cricket.

Many of you have been pushed to buying new normie phones because of the fear uncertainty and doubt raised by the typical mobile carrier rep. Worse than used car salesmen!

In this video, I analyze what the MVNO's and carriers are actually doing and have a tried and true solution that works. Reflash the IMEI! This is how we fight back.