Hi guys. Such is the problem, I bought a tube Vivo X21A 6gb / 128gb. But there some sort of trouble, see SIM card,
but does not see networkWhen you call writes that "TRANSCEIVER OFF"
I tried to throw to the factory the same problem, the official firmware on site no Vivo, as the phone is not even such a o.O. Updates come fully phone in Russian. With registration vivo account no problem. Everything works well consistently.
And the mistake is constantly hanging out at the top:
By no imei problems:
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