How to IMEI Repair Redmi 7A, 8A, 8 Without Unlock BL ?

How to IMEI Repair Redmi 7A, 8A, 8, S2, Y2 Note 7, Note 6 Pro - Without Unlock Bootloader and Root ?

  1. Disassembly Your device and  find test point.
  2. Short test point to Ground (GND) according to test point picture under Hydra instillation section.
  3. Run Qualcomm Module, Select Brand & Model of the device (Cellphone / Mobile). 
  4. Tick "Partitions", Select "Erase Security Partitions" from Method / Option.
  5. Tick "Auto Restart".
  6. Click "Execute".
  7. Go to Dial Screen and Dial *#*#717717#*#* for Enable Diag.
  8. Go to "Select Repair/Calibration".
  9. Select Xiaomi IMEI RSA Method [ADB].  Click "Repair IMEI". Button
  10. Wait Until the device (Cellphone / Mobile) rebooting.