It can be replaced, but it's best to use it if you can. This is because the replacement of the shell requires a professional repair shop, and the repair cost is also very high.
If the cover of a Huawei headset is broken, use it as follows:
You can clean the junction of the headset, and if the top cover is badly damaged, the top can also be cleaned.
Line the earphones on the leather paper, leaving the appropriate distance between the two ends, and fold the leather in half in the appropriate position. Cut it.
At the top of the headset, determine the right width. Leave as much as you can.