lyf f120b flashing February 2, 2019January 30, 2019 by provashgiri 4,875 Views files…………downloads jio f120b flashing system.first download files and unzip its..install QFlashTool and open its.. click load content and loaded xml document files. after complete this systems …then switch off phone and press and hold (*)and (#) button keys..connect phone with usb cable.. click download content.