Download LYF JIO F221s Flash File to install KAIOS OS on your phone.
Note: You can buy Jio Battery with 3 Month Warranty at Minimum price as compared to the Market or Online rate.
Boot Key: *
***IF Spd tool yield out any type of error then flash in Miracle box.
How to Flash LYF F221s:
Install SPD Driver
1- Download the package & Extract Flash tool.
2- Out of the icon appearing, Double click on UpgradeDownload.exe.
3- It will Launch the tool on PC.
4- Click on Load Packed button & Select the Firmware with extension .pac at end.
5- Click on Downloading button which is at third position.
6- Switch off your Mobile & connect it to PC using “*” boot key.
7- It will lead you to Successful flashing.