Flashing the official firmware can resolve a wide variety of software-related issues, including:
Flashing a stock ROM can sometimes wipe IMEI data; you may need this to restore your original IMEI. Step-by-Step Installation Guide Official Wiko Rainbow 3G Stock Rom For SP-Flashtool
Before you begin, ensure you have the following components ready: How To Use SP Flash Tool (Full Guide) Flashing the official firmware can resolve a wide
: Choose "Download Only" (Recommended). Use "Firmware Upgrade" only if "Download Only" fails . Note that the first boot after a fresh
Note that the first boot after a fresh flash can take anywhere from 5 to 10 minutes while the system builds its initial cache files. Troubleshooting Common SP Flash Tool Errors
Switch to a different USB port (use USB ) and try a different cable.
The PC will detect the device, and a red progress bar will appear at the bottom of the SP Flash Tool. You can now release the volume button.