Put the phone into BROM mode (Power off, hold volume buttons, plug in USB).
: Dialing *#06# shows "Null" or "Invalid," preventing the device from making calls or using mobile data.
What is the of your phone? (e.g., Xiaomi Redmi 9, Realme 6i) What error message or symptom are you facing? Do you have access to a computer to run flashing tools?
The flashing software tailored for MediaTek devices. mt6768 nvram file
Open your command prompt/terminal inside the MTK Client directory.
Always back up your original NVRAM before flashing any custom software. This is the single most important step.
Click to save the backup image to your computer. How to Restore or Flash an MT6768 NVRAM File Put the phone into BROM mode (Power off,
Before attempting any repair, back up your existing NVRAM—even if it is corrupt. A partial backup is better than none.
Unique identifiers for your Wi-Fi and Bluetooth hardware.
If you lost both backup and original NVRAM (e.g., dead flash), you can: Open your command prompt/terminal inside the MTK Client
5. Alternatives: Fixing IMEI Without Flashing an Entire Image
Radio frequency (RF) calibration data for cellular connectivity.