Microsoft Lumia 650 Motherboard Replacement

Press and hold the power button and swipe down to power off the device.

Remove the back cover by prying up from the bottom.

With the back of the phone removed, lift the battery from the top and remove it.

If present, remove the SIM card and the SD card from beside the battery slot.

To remove the SD card, pull it out with your fingernail.

To remove the SIM card, push in on it and pull it out.

Remove the 12 Torx T4 screws from the back panel of the phone.

Pry up around the panel to remove it from the phone.

Disconnect the cameras from the motherboard.

Disconnect the rear-facing camera connector and remove the camera from the phone.

Disconnect the front-facing camera connector and remove the camera from the phone. It is held in with a small amount of adhesive, but you should be able to pull it out.

You can now replace these parts.

Disconnect the remaining ribbon cables from the motherboard.

Disconnect the display ribbon cable.

Disconnect the top I/O, earpiece and proximity sensor ribbon cable.

Moving the ribbon cables to one side, you can now remove the motherboard.