Vivo Y83 Nvram File Fix -

Once booted, dial *#06# on the phone dialer to verify that your IMEI numbers have been restored. Alternative Method: Engineering Mode

when dialing *#06# . Baseband version shows "Unknown" in Settings > About Phone. No SIM card detection or constant "Searching for service." vivo y83 nvram file fix

Your Vivo Y83 will exhibit some or all of the following signs if its NVRAM partition has been compromised. Once booted, dial *#06# on the phone dialer