Extract the ZIP or RAR file. You should find a file named UPDATE.APP . Connect your Micro SD card to your computer.
Move to a newer official version or revert to an older one for better stability. Firmware Specifications Specification Device Brand Model Name Ascend G620S-L01 CPU Type Qualcomm Snapdragon 410 Android Version 4.4.4 (KitKat) Firmware Type Official Stock ROM Flashing Method SD Card (dload) or Huawei Flash Tool Prerequisites Before Flashing huawei-ascend-g620s-l01-stock-firmware-rom-flash-file
Create a new folder in the root directory of the SD card and name it . Copy the UPDATE.APP file into the dload folder. Step 3: Initiate the Flash Power off your Huawei Ascend G620S-L01 completely. Insert the Micro SD card into the phone. Extract the ZIP or RAR file
You will need a reliable Micro SD card with at least 4GB of free space for the "dload" method. Move to a newer official version or revert
The progress bar will indicate the status. Once finished, the device will automatically reboot. The first boot may take —this is normal. Alternative Method: Qualcomm Flash Tool
Download the official Huawei Ascend G620S-L01 firmware package to your computer.
The stock firmware (or flash file) for the Huawei Ascend G620S-L01 is the official operating system provided by Huawei. Flashing this ROM is the most effective way to restore your device to its original factory state, fix software-related issues, or unbrick a device that is stuck in a boot loop.