Download Huawei Enjoy 5S official firmware from this post and follow instructions after the download options to learn how to flash the firmware.
This stock is specifically meant for TAG-AL00C92Bxxx variants. Flashing on a different variant might cause a brick, if flashing is successful.
File Name: Huawei Enjoy 5S (TAG-AL00 Android 5.1 EMUI 3.1 C92B167, Chinese).zip
Size: 1.22 GB
Android version: 5.1
Firmware – Download
How to flash
Once you have downloaded the firmware from above link, click here to learn how to flash.