Samsung J1 J100H Voluem Up Down Keys Not Working Problem Solution Jumpers
1-Samsung J1 J100H Volume Up Key is Not Working.
2-Samsung J1 J100H Volume Down Key is Not Working.
1-Hot Air is required.
2-Solding iron is required.
3-Skrue driver keys.
5-Four leg On of Switch ( Volume Key Switch ).
6-old board of Samsung J1 J100H if a few parts are damage in this board.So that they can be replaced.
If Volume Up or Down key is not working in Samsung J1 J100H 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.
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.
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Hard reset will set your phone in origional factorry settings. It will remove all the data and apps that you installed. Your contacts will be removed and you have to add them again.
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