This solution provides the connection line paths of the Samsung Galaxy J1 J120H Power ON-OFF/END switch button key. This may help fix if the phone doesn�t tuns ON but it shows charging indication when the battery charger is plug-in.
To fix this problem, you may need to clean first the power key�s contact pads for possible oxidation build up. If it seems cleaned but however still doesn�t respond, refer to this solution below for it shows the connection line paths of the power key, then do some test and tracing procedures.
