LYF Jio F221s Flash File & Tool – Flash Jio F221s Without Box LYF Jio F221s Flash File & Tool – Flash Jio F221s Without Box 07 March Bijendra Narsinghani Share To: LYF Jio F221s Flash File & Tool – Flash Jio F221s Without Box Download LYF Jio F221s Flash File, Tool & Drivers LYF JJio F221s Flash File – DOWNLOAD – Mirror LYF Jio F221s USB Drivers – DOWNLOAD LYF Jio F221s Flash tool [SPD Upgrade Tool] – DOWNLOAD Requirements TO Flash LYF Jio F221s Stock Firmware [ Flash File] Charge the device approx. 80% to prevent accidental power off in between flashing process. Download LYF Jio F221s flash file and save it on pc. Download LYF Jio F221s flash tool and save it on pc. Install or update “LYF Jio F221s USB Drivers” if required. Otherwise, skip this step. Pc/Laptop and working USB cable is must. What Is Boot Key And Which Is A Boot Key Of LYF Jio F221s? In simple words, boot key is a key which accesses a device driver to install firmware on the mobile phone. The boot key of LYF Jio F221s is the * Star button. the step of pressing boot key turn off your mobile and remove the battery and reinsert. press and hold the select button and insert the USB cable thought mobile to pc. The flashing process begins then release the select button. How to Flash LYF Jio F221s: 1.Download Jio F221s flash file which should be in PAC file format. 2.Then download and extract the SPD UpgradeDownload Flash tool 3.Open the extracted folder. From the list of files, open the UpgradeDownload.exe file 4. Click on the Load Packet button and select the .PAC Jio F221s flash file. 5. Then click on the Start Downloading button to start the firmware flashing. 6. No Boot your LYF Jio F221s into download mode by pressing * Star button and conndect usb. 7. After the flashing process is completed successfully it will show as Passed in the Progress bar. 8. After flashing completed reboot the phone if it does not restart automatically.