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Network
Bought a phone it says it's permanent network unlock when I try to put a different sim it doesn't ask me for anything and sim says it's disconnected I tried everything I paid even for a service how i...
If that device does not support T-Mobile's VoLTE implementation or the bands deployed where you are trying to use it. It will not connect to the T-Mobile network. US networks no longer have legacy 3G networks for calling.
