Installation Guide:

  1. Backup all important data from phone
  2. Charge battery up to 60%
  3. Get a micro sd card with 6GB free space
  4. Extract downloaded firmware zip file (password: JSN-L22)
  5. Copy dload folder to your sd card
  6. Now power off phone and disconnect from pc.
  7. Hold volume up, volume down and power keep holding until update start.

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