Installing or Flashing your device with a stock firmware is pretty easy and simple using SP FlashTool. This tool works specifically with MTK (Mediatek) devices (G-tide, Gionee, Tecno, etc). If you need help with flashing stock firmware on a different device that doesn’t run on Mediatek chipset, please ask in comments.
How To Flash With Sp FlashTool
Download and install drivers for your device. If you can’t find your device driver, us this guide
to download and install the driver.
Download Sp Flashtool
and the your phone’s firmware package.
Extract Sp FlashTool and your firmware
package to different
Step Four: Open SP FlashTool folder and launch SP Flashtool.exe as Administrator
Step Five: Click on Scatter-loading, browse and select scatter file from the folder you extracted the downloaded firmware to. (scatter file example: MT6582_Android_scatter.txt)
Step Six: Click on Download and connect the device to PC via USB cable. Device must be turned off, before attaching to pc.
Step Seven: Once the device is connected to PC, a progress bar will start loading. Wait for it to complete. A green circle with Ok should popup to indicate completion.
Step Eight: Disconnect the device and perform a factory reset before you power on fully.
If you still have questions, please ask in comments. Need your device stock firmware, request in comments too.