Please try to do soft reset or reboot or restart if LENOVO S820 get this problem. Iv tried hard reset over and over but tis not working. Dev advised me to flash. Step-by-Step guidelines to flash Stock ROM on Lenovo S820 Smartphone,We also provide Direct link to download Stock firmware Lenovo S820 devices, How.
How to Flash Lenovo S820 Useing Lenovo Downloader ToolStep 1: and install Qualcomm Driver on your Windows Computer (if you have already installed the correct drivers then SKIP this step).Step 2: and extract Lenovo Downloader Tool Qualcomm Chipsets 2017 on your Computer. After extracting, you will be able to see the following files.Step 3: Now, Open QcomDLoader.exe. Once it is launched you will be able to see the following screen. How to Download and Flash Lenovo S820 Stock Rom (flash file)Step 4: Now, Click on Load Button and Select the Firmware Folder (that you have downloaded) that you wanted to flash on your Device.
How to Download and Flash Lenovo S820 Stock Rom (flash file)Step 5: Now, Click on Start Button: How to Download and Flash Lenovo S820 Stock Rom (flash file)Step 6: Now, Turn Off the Lenovo S820 Device with Uncheck Fastboot and Press Volume UP or Volume Down Button and Connect Lenovo S820 Device to the Computer using the USB Cable.Step 7: Once your Lenovo S820 device is detected by the computer, Lenovo Downloader Tool will automatically start the flashing process on your Lenovo S820 device. How to Download and Flash Lenovo S820 Stock Rom (flash file).
Brand: LenovoProdName: S820ROWProdModel: Lenovo S820Device: S820ROWAndroidVer: 4.4.2MTKxCPU: MT6589MTKxPRJ: S820ROWS223150119Read Ok: preloaders820row.binRead Ok: MBRRead Ok: EBR1Read Ok: lk.binRead Ok: boot.imgRead Ok: recovery.imgRead Ok: secro.imgRead Ok: preload.imgRead Ok: logo.binRead Ok: EBR2Read Ok: system.imgRead Ok: cache.imgRead Ok: userdata.imgScatCFG: MT6589 / V1.0.0 / s820row / EMMCAndroid Info savedMAUI Meta DB savedHWConfig Info savedFW Size: 921 MiBScatter saved to: J:ALL LENOVOLenovoS820S223ROW150119.