Cause: Partition layout difference between old ROM and new one.
Fix: Go to Format → “Auto Format Flash” (only format the whole flash if you have a backup), then retry Firmware Upgrade.
SP-Flashtool has several modes. For a clean install, choose:
Recommendation: For most users fixing bootloops or FRP, select “Firmware Upgrade”. Official Wiko Rainbow 3G Stock Rom For SP-Flashtool
Follow these steps carefully:
Before you begin, you must download the necessary files. Note: Always verify the hardware version of your specific device (often found under the battery or in the "About Phone" settings) to ensure you download the correct ROM variant. Cause: Partition layout difference between old ROM and
scatter file and the system image files.
A genuine official package contains the following essential files:
No. Custom recoveries cannot flash stock SP ROMs because they lack the scatter format. You must use SP-Flashtool. Recommendation: For most users fixing bootloops or FRP,
A Stock ROM (Read-Only Memory) is the official operating system created by the manufacturer—in this case, Wiko. It is the exact software that came pre-installed on your phone when you first unboxed it.
The Official Wiko Rainbow 3G Stock Rom For SP-Flashtool is a packaged set of system files, boot images, and preloader binaries specifically formatted to be flashed using MediaTek’s flashing utility.
Technically, the "Wiko Rainbow 3G" is a decade-old phone. However, if you have sentimental value or need a backup phone for calling and music, this stock ROM gives it a second life. Do not expect to run modern apps like TikTok or WhatsApp – the 3G modem has been phased out in many countries (e.g., USA, UK, Australia), and the 512MB-1GB RAM cannot handle contemporary web browsing.
Use it as: