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.
Samsung Galaxy SM-J120H Power Key On Off Button Jumper Solution
Reviewed by Junayed Telecom