If using a PC tool, use the original Huawei USB cable for a stable connection. Step-by-Step Installation Guide (dload Method)
Completely removes root access and restores official system integrity.
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 huawei-ascend-g620s-l01-stock-firmware-rom-flash-file
Before proceeding, ensure you have completed the following steps to avoid damaging your device:
Extract the ZIP or RAR file. You should find a file named UPDATE.APP . Connect your Micro SD card to your computer. If using a PC tool, use the original
You will need a reliable Micro SD card with at least 4GB of free space for the "dload" method.
Download the official Huawei Ascend G620S-L01 firmware package to your computer. Once finished, the device will automatically reboot
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