We've previously been able to use this phone to make phone calls, using either cellular of wifi calls. However, the cellular network no longer seems to work (despite being in an area where it should, wifi calls still working, etc)
When attempting to make a phone call w/ cellular network, get message that can't connect & that we need to turn off airplane mode (which is NOT on); have tried:
Thanks for taking the time to post to our community! You have definitely put in your due diligence to try and fix this issue. The error message you are getting feels more like a software related issue than it does a network issue but that should have been cleared with a master reset. Out of curiosity, do you have any other T-Mobile phones that you know are working that you can try SIM swapping with? I want to see if the Coolpad behaves the same way with a known working SIM card.
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