If you are using Windows 10 or Windows 11, you may need to temporarily disable driver signature enforcement to allow the MTK VCOM drivers to install successfully. Step-by-Step Installation Guide
(Ensure the firmware version matches your device).
Switch the option from "Download Only" to "Firmware -> Upgrade" to avoid issues with NVRAM. Step 5: Start the Flash Process
: Download the latest v5 version for better stability . Official Wiko Rainbow 3G Stock Rom For SP-Flashtool
: Extract the Stock ROM zip and the SP Flash Tool on your PC. Open Tool : Run flash_tool.exe as an Administrator . Load Scatter : Click the "Choose" button next to Scatter-loading File .
Once your Wiko Rainbow 3G boots into the setup wizard, follow these steps:
This report outlines the process and requirements for flashing the official Wiko Rainbow 3G (standard version) stock ROM using the SP Flash Tool Device Specifications & Compatibility If you are using Windows 10 or Windows
Use the original USB cable to prevent disconnection during the process.
While Wiko has long since moved on to 5G devices, the Rainbow 3G remains a testament to affordable engineering—and with the right firmware, it can still boot up one more time.
The hardware is different (Qualcomm vs MediaTek). Flashing this ROM on a 4G model will hard brick it. Step 5: Start the Flash Process : Download
The first boot after flashing may take a long time (5 to 10 minutes or more) as it rebuilds caches and optimizes the system. Do not panic and do not interrupt the phone.
: Unzip the Stock ROM and SP Flash Tool on your PC.
If the device turns on, back up your photos, contacts, and configuration data. Flashing a fresh Stock ROM will completely format the internal storage. Complete Step-by-Step Installation Guide
Driver conflict or USB cable issue. Fix: Reinstall MTK USB drivers. Try a different USB port (USB 2.0 recommended). Use a short cable.
Must be installed so the PC can detect the phone in "Preloader" mode.