Tecno KG5k is the model number for the Tecno Spark 8C . An NVRAM (Non-Volatile Random Access Memory) file for this device is

Step 2: Load into SP Flash Tool

  1. Launch SP Flash Tool v5.2116+ (Run as Admin).
  2. Click Scatter-loading and select your scatter file.
  3. Uncheck all partitions except NVRAM.
  4. Double-click the NVRAM row. Browse and select your downloaded Tecno_KG5k_NVRAM.bin.

Step-by-Step Restoration (Using SP Flash Tool)

This method restores only the NVRAM partition without re-flashing the whole ROM.

Once the green "Pass" appears, disconnect the phone and reboot.