Download Jio F211s Flash File from here. Which is the latest official firmware file, install the latest update KAIOS in your Jio keypad phone. This Firmware is installed by spd Flash tool, From here you can download the files from the flash file list of F211s.
Jio F211s boot Key: * (Star)
How to Install Jio F211s Flash File
- First download the Stock rom and install the USB Driver.
- Extract stock rom file and place flash tool on desktop location.
- Now open SPD Flash Tool (spd upgrade tool).
- Now run flash tool and click on load package.
- Select pac flash file from flash file location.
- Click on play button and connect phone with computer
- Switch off the phone Press the BOOT key “*” button and then connect the data cable with the phone.
- Wait till it flashes Do not remove the data cable in between otherwise the phone may be dead