In Nokia Lumia 520 power button is soldered on the motherboard just like the volume keys. Power button is used to turn on and off your mobile phone and is placed on the right side of the mobile phone just below the volume keys. It is almost a fragile part because using it roughly can damaged it and if that happens there is good chance that the prints below the power button might also get damaged.
So if your Nokia Lumia 520 power button is not working to repair it you just need to replace it with a new one. If the prints of the button are damaged then you are going to have to make the jumpers as shown in the diagram.
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Here is Nokia Lumia 520 power button not working repairing solution. Please study these diagrams very carefully before you start repairing.
The red marked point in the above diagram is the main connection of the power button the other are just ground. It is connected to R4401 & R4404.
If you have further questions please don’t hesitate to leave a comment.
Note: Every repairing solution posted here is tested by at least one member of our team. Use the information available here at Your Own Risk. We are not responsible if any harm comes to your device during the repairing process.
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