Connect the device to your PC via USB (on some MT6768 models, you may need to hold Volume Down while connecting).
Without valid RF calibration, the modem will refuse to register on cellular networks (no service). mt6768 nvram file
for the MT6768 chipset. As many of you know, losing these partitions during a format or flash results in the 'Null IMEI' or 'NV Data Corrupted' error on the recovery screen. File Details: .bin / .tar (Scatter-loading compatible) Security State: (Unchanged / Cleaned) Tested On: [Insert Model Name, e.g., Redmi Note 9 Merlin] How to Use: MT6768 NVRAM File — What it is &
