You may wonder why the keyword specifically mentions "SP-Flashtool." The Wiko Rainbow 3G is powered by a MediaTek (MTK) chipset. Unlike Samsung devices which use Odin, or Xiaomi devices which use Mi Flash, MediaTek devices are universally flashed using .
: Flashing will wipe all data ; back up important files if the device is still accessible. Step-by-Step Flashing Guide
: Flashing will erase all data on the internal storage. Back up your photos, contacts, and messages before proceeding. Wiko Rainbow 3G Specifications