Nokia Lumia 620 Volume and Power Button Replacement

Check condition of switches on logicboard

Rule out failure of cover

Torx 6 screwdriver

Soldering iron (thin tip)

Decent quality solder (thin wire)

Remove cover, battery and SIM

Remove 6 torx screws

Note: Green is fine thread

Note: Red is coarse thread

Remove plastic clover near battery

Keep track of all parts

Gently release logicboard connectors

There is a clip that needs to be moved out of the way before the board will move.

Start by lifting long side of logicboard

Gently wiggle and lift

Undo plastic clips near battery with force

Check connections of failed buttons

Resolder broken connections

Make sure the pads do not short

Put back logicboard

Make sure pins near camera line-up

Note: Plastic clips need quite some force

Reconnect logicboard connectors

Put back plastic cover

Gently tighten screws

Put back SIM card and battery

Close cover

Enjoy the result ;)