Xiaomi Redmi Note 4 Volume Up Down Keys Not Working Problem Solution Jumpers
Xiaomi Redmi Note 4 Volume Up Key is Not Working
Xiaomi Redmi Note 4 Volume Down Key is Not Working
1-Hot Air is required.
2-Solding iron is required.
3-Skrue motive force keys.
5-Four leg On of Switch ( Volume Key Switch ).
6-vintage board of Xiaomi Redmi Note four if a few elements are damage in this board.So that they may be replaced.
If Volume Up or Down key isn’t always working in Xiaomi Redmi Note four then it could be the motive of Volume Switch or Resistance close to by it.
So disassemble cellular smartphone and take a look at complete mother board.
If there is a few rust or carbon smooth it with electronics purifier and observe some warmness so that it is able to be dry.
Check those tracks as proven in crimson and inexperienced traces in above diagram.
If a few prints are lacking or a few elements are damage follow jumpers or update broken components.
If Volume Switch is damage or broken then replace it with new one.
Do no longer observe a great deal warmth it could be harm for your pores and skin and mobile smartphone.
Try that board get completely dry.
When you are removing old extent switch make sure you will no longer damage prints from mom board so take away it while solding iron is too much warm.Or take away it with warm air.