Download JIO F220B flash file from here. Which is the latest official firmware file, install the latest update KAIOS in your Jio keypad phone. This flash file is installed by Q Flashtool, whose full details are described in the below detail.
Boot Key: *
How to Flash Jio F220B
- Download Jio F220B Flash File and extract
- Open FlashTool and select the contents.xml file.
- Connect the data cable with the phone by pressing the boot KEY ‘*’. The “Qualcomm HS-USB Diagnostics 9008” will appear in the driver section of your computer.
- Press the download contact and wait until it completes.
Keep the flash file on the C drive or desktop and the folder name of the flash file should not contain any (_) symbol. Keep battery charged 30%.
Read More: Download SP Flash Tool All Version