Download Panasonic P31 Flash File:
How to Flash Panasonic P31:
Install MTK Driver.
1- Unzip Firmware & Open Tool folder.
2- Click on SugarMTK_SP.
3- Enter Password : KoD8naL2
4- Select Panasonic P31 in model no & then Click on Upgrade.
5- Switch off Phone & connect it by pressing both Volume keys.
6- Flashing Starts.