How to Flash LYF Water 7 LS-5504 | Flash file or Flash tool | QFIL Flash tool

LYF Water 7 LS-5504 flash file is tested by me and it is working very well without any error, can use this flash file when device can use this guide when device in Remove Virus, pattern lock, hard reset, flashing, software update, update, format, reset, phone lock, sim lock, pattern reset, pin lock, flash, hang on logo, only logo solve, hang logo solution, hang problem, firmware update, pattern lock, pattern unlock, pattern reset, phone lock, phone reset, format, hang on logo done, sim lock, screen lock, screen unlock, pin lock, stuck on logo done, user name password id problem, fix unfortunately app has stopped, unfortunately app has stopped working, unfortunately app store has stopped, unfortunately apps has stopped, unfortunately your app has stopped, auto turn on internet connection, auto turn on WiFi connection, auto app installing, auto gone balance etc these type issues can use this way etc. This is used  without any tool and box.and also free for all who has knowledge about software in mobiles.for flashing file it is most important to first check micro USB cable. if it is not good, can not flash it. and the another one is to check device battery. it should not be low, it can stop device between flash. before the flash, it is necessary to save data like contacts, photos, videos and other important things.