LG G3 Motherboard Replacement

Power down your device completely.

• Insert a thin tool, such as a thumbnail or spudger, into the notch at the bottom left of the back cover.
• Pry the back cover up to release its plastic clips.

Lift the back cover to release all plastic clips.

• Slide your fingernail or prying tool around the midframe if it won't budge, releasing remaining clips.

Press firmly into place until you hear a snap from the plastic clips for proper connection.

Use a fingernail or a prying tool at the marked notch to gently pry the battery out.

• Position the tool at the marked notch.
• Apply gentle pressure to lever the battery out of its recess.

Remove the battery from its housing.

Remove Phillips #00 screws, 4 in total.

• Screw length: 4mm.

• Insert a thumbnail or a plastic spudger into the notch at the bottom left of the back cover.
• Pry up the plastic panel, including the loudspeaker, to get a good grip.

Remove the plastic panel, including the loudspeaker, by gently pulling it away from the phone assembly.

Remove Phillips #00 screws, 8 in total, with a length of 4 mm.

Insert an opening pick between the bottom right corner of the motherboard cover and the motherboard.

• Pry up the motherboard cover until the plastic clips are open.
• If necessary, rotate the opening pick sideways to loosen the clips.
• Work along the right edge to complete removal.

Lift the right edge of the motherboard cover carefully.

• The plastic clips should release as you lift, or open them manually if necessary.
• Remove the motherboard assembly.

Disconnect the display flex cable by prying it loose with a spudger.

Insert spudger under the digitizer flex cable, carefully pry up to release the connector.

Use a spudger to gently pry up and release the rear camera flex cable.

Disconnect the front camera flex cable using a spudger.

Be careful not to damage the flex cables you previously disconnected.

• Insert an opening pick under the bottom right corner of the motherboard and gently pry it out by rotating the opening pick sideways.

• Opening pick: Insert the tip under the right edge of the motherboard near the SIM card slot.
• Pry upwards by rotating the opening pick sideways.

Hold the motherboard firmly by its top edge.

Careful not to touch any electrical components — risk of damage or shock.

Lift the motherboard straight up and out of the phone.