⚠️ WARNING:
Modifying or replacing the NVRAM file can permanently break your device's IMEI, Wi-Fi MAC, Bluetooth address, and cellular functionality. Always back up the original data first.
dd if=/sdcard/nvram_fixed.bin of=/dev/block/by-name/nvram mt6768 nvram file
Several professional service tools support reading, backing up, and restoring NVRAM for MT6768 devices: SP Flash Tool ⚠️ WARNING: Modifying or replacing the NVRAM file
Baseband Information: Critical files that allow the OS to communicate with the modem hardware. Architecture of MT6768 Partitioning Several professional service tools support reading
Common smartphones using this chipset that often require these files for repair include: Xiaomi: Redmi 9 (Lancelot), Poco M2, and Redmi 10X 4G. Samsung: Galaxy A31. Vivo: Vivo Y19. Tecno: Spark 7 (KF6k) and Spark 6 Air. How to Flash or Restore NVRAM