Download the official firmware (stock ROM) you need to update, repair, or restore your Symphony Android device.
Resolve bricking, boot loops, and other software problems on your Symphony smartphone. Download the latest firmware for your Symphony i99 below, along with step-by-step installation instructions.
i99_HW3_V11
i99_HW2_V9
i99_HW1_V8
i99_HW3_FRP_Unlock_File
i99_HW2_FRP_Unlock_File
i99_HW1_FRP_Unlock_File
SPD_Research_Tool_R24.0.0003
How to Flash Your Symphony i99 Firmware
Before you start:
- Download firmware: Get the official Symphony i99 firmware and extract it to your computer.
- Install USB driver: Make sure you have the necessary USB driver installed.
Flashing Process:
Follow the guide: The firmware package should include instructions. Follow them carefully.
Important:
- Use official firmware: Only use firmware released by Symphony.
- Backup your data: This process could wipe your phone, so back up important information beforehand.
Still have questions? Leave a comment or contact us for help.