Huawei Mate 7 Volume Keys Solution Up Down Button Not Working Problem Jumpers

Huawei Mate 7 Volume Keys Solution Up Down Button Not Working Problem Jumpers

Huawei Ascend Mate 7 Volume Up Down Keys Not Working Problem Solution Jumpers
1-

Huawei Ascend Mate 7 Volume Up Key is Not Working


2-

Huawei Ascend Mate 7 Volume Down Key is Not Working


Tools:-
1-Hot Air is required.
2-Solding iron is required.
3-Skrue driver keys.
4-Electronics cleaner.
5-Four leg On of Switch ( Volume Key Switch ).
6-old board of Huawei Ascend Mate 7 if a few parts are damage in this board.So that they can be replaced.
[caption id="attachment_20586" align="alignnone" width="1200"]Huawei Mate 7 Volume Keys Solution Up Down Button Not Working Problem Jumpers Huawei Mate 7 Volume Keys Solution Up Down Button Not Working Problem Jumpers[/caption]
Try To Change Volume Key Button of Huawei Mate 7 if any ways is missing just apply a jumper.your problem will solve after applying jumper.

Huawei Mate 7 Volume Key Ways


Huawei Mate 7 Volume Button Jumper


Huawei Mate 7 Volume Keys Solution


Solution:-
If Volume Up or Down key is not working in Huawei Ascend Mate 7 then it can be the cause of Volume Switch or Resistance near by it.
So disassemble mobile phone and check whole mother board.
If there is some rust or carbon clean it with electronics cleaner and apply some heat so that it can be dry.
Check these tracks as shown in red and green lines in above diagram.
If some prints are missing or a few parts are damage apply jumpers or replace damaged parts.
If Volume Switch is damage or broken then replace it with new one.
Warnings:
Do not apply much heat it can be harm for your skin and mobile phone.
Try that board get fully dry.
When you are removing old volume switch make sure you will not damage prints from mother board so remove it when solding iron is too much hot.Or remove it with hot air.

Volume Button, Volume Keys, Volume Up, Volume Down

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