Nokia Lumia 520 Volume Button Ways Problem Solution Jumper
Here’s the Nokia Lumia 520 Volume +(up)and Volume -(down) and side lock button switches connection tracks. This may help for your jumper wire needs in case if the button switches failed to work or having problem like: the terminal solder pads of the switches is damaged, the flex connection on the switches is already cut off.
Just refer to the solution below and carefully observe each of the button switches connection.
Nokia Lumia 520 Volume keys not working,
Nokia Lumia 520 keys problem solution with jumpers,
Just in the left side edge of the flex board, you can see the open spots where you can apply a solder for the jumper wire. This may help if the board connection to the button switches is already cut or damaged.
Now, if seems that the flex is okay and the volume control and lock button switch already been check or replace but still doesn’t work., the possible problem may lies on the keypad filter IC, replacing it will only fix the problem.
Nokia 520 Volume Button Ways, Volume Key Jumper,Volume Key Ways, Volume Button Jumper Solution
Nokia Lumia 520 Volume Up-Down Button Problem, Not Working Solution, Volume Key Problem Solution