1. SP Flash Tool
2. Required drivers
3. Micro USB Cable
4. Windows PC/Laptop
1. Download the zip from the link given below.
2. Extract it to a folder on desktop.
3. Open Flash_tool.exe
4. Click Scatter-loading
5. Select MT6582_Android_scatter.txt from the extracted folder.
6. Click Firmware Upgrade.
7. Shutdown your device and connect it with Micro USB to the PC running the Flash Tool.
8. Simply wait for a green circle to show up on your PC . We are done now.
9. Restart your phone.
DOWNLOAD LINK: Wiko Rainbow KitKat
NOTE: Recovery is by default PHILZ (currently the most stable recovery) in the package, so no need to download recovery again.
Some users wanted stock wiko kitkat recovery. So, here it is. Download from here.
@Siddhesh.K15 for Philz recovery