Unzip the downloaded firmware and the SPD Upgrade Tool .
After booting, the phone had no IMEI and showed “Invalid B8 partition.” That’s because B8 contains the unique NV data. Since I formatted all, I had to restore a backup. The customer had none, so I used a generic I95 4G B8 dump and fixed the IMEI via Maui Meta (SPD tool). symphony i95 4g b1 b3 b8 flash file
Flashing your phone voids the warranty and carries risks. This guide is for educational purposes. The author is not responsible for any data loss or device damage. Proceed at your own risk. Unzip the downloaded firmware and the SPD Upgrade Tool