Kindly follow the steps below carefully to install this Rom.
Flashing this Gionee ROM is not hard, its easy. Read on
1. Make sure your Gionee P6 is rooted
2. You must have Custom Recovery Installed in your Gionee P6
3. Make sure you backup all your files and data before flashing your Gionee
4. Now, download Mystic Os V7 for Gionee P6 here
After successful download, move the two downloaded files to the external storage (sdcard) of your device.
5. Now, switch off your device and boot to recovery mode by pressing and holding Volume Down button together with Power button.
6. Once you get to the recovery mode, simply perform a full system wipe (Wipe Data/Factory Reset, Wipe Cache Partition and then Wipe Dalvik Cache/ART cache from advanced section).
7. After that, navigate again to the recovery main menu to flash the custom Rom then in your sd card, select install, then select the Mystic Os V7.Zip file to flash the Rom
8. Once the installation process is completed, simply go back to the main recovery menu and tap on Reboot system, and your device would be rebooted.
Once your device is rebooted successfully, you would begin to experience the wonderful and sweet Mystic Os v7 Rom on your Gionee device.