HTC Windows Phone 8S Logic Board Replacement

Switch off the phone.

Remove the SIM / memory card cover.

Remove any SIM and memory cards.

Use screwdriver torx T5 and unscrew the two screws at the bottom of the battery / back cover.

Use a plastic tool and slowly separate the back cover.

The loudspeaker is inside on the back cover.

Use a Phillips #0 screwdriver and remove the 4x silver screws.

With a plastic tool carefully separate the battery from the logic board.

The battery connector is under the middle frame. Remove it and disconnect the battery.

Model: BM59100 / 3,8VDC / 1700mAh

Remove the USB dock connector metal plate.

Open flex cable connectors:

LCD display flex cable

Menu buttons flex cable

Volume buttons flex cable

Touch screen flex cable

Power button flex cable

Pick up the vibrating motor and take out all flex cables except the LCD display flex cable.

The logic board is secured to the display frame by two locking clips.

Use a plastic tool to release it.

Now remove the LCD display flex cable from its connector.

HTC Windows Phone 8S Logic Board.