Create a folder named dload on the root of your microSD card. Copy UPDATE.APP into the dload folder. Open the dialer and enter *#*#2846579#*#* .
Reliable firmware sources provide full ROM packages that include the flash file, necessary tools, and drivers.
Below is a comprehensive guide on where to find official firmware links and how to safely install them. Official Huawei NXT-AL10 Firmware Download Links
Offers a direct link to the Huawei NXT-AL10 Stock ROM specifically packaged for desktop flashing.
Use this if the device is stuck in a bootloop and you have a computer. Huawei Mate 8 Dual SIM TD-LTE 128GB NXT ... - PhoneDB.net
Provides the official flash file for NXT-AL10 , which is useful for fixing bootloops or software errors.
Before flashing, ensure your device matches these hardware specifications to avoid "hard-bricking" your phone: Specification Huawei Mate 8 (NXT-AL10) Processor HiSilicon Kirin 950 (Octa-core) GPU Mali-T880 MP4 RAM/Storage 3GB/4GB RAM; 32GB/64GB/128GB ROM Display 6.0-inch IPS LCD (1080 x 1920 pixels) Original OS Android 6.0 (Marshmallow), upgradable to 8.0 (Oreo) Battery 4000 mAh Li-Po How to Install the Firmware