The most common and safest way to flash a Huawei device is using the folder method. Step 1: Prepare the Firmware
Press and hold the buttons simultaneously. huawei-ascend-g620s-l01-stock-firmware-rom-flash-file
If using a PC tool, use the original Huawei USB cable for a stable connection. Step-by-Step Installation Guide (dload Method) The most common and safest way to flash
Before proceeding, ensure you have completed the following steps to avoid damaging your device: huawei-ascend-g620s-l01-stock-firmware-rom-flash-file
You will need a reliable Micro SD card with at least 4GB of free space for the "dload" method.