LG G4 Screen Assembly Replacement
This guide covers replacing the full screen assembly, including the LCD, digitizer, and display frame. If your part lacks a display frame, refer to the LCD Digitizer replacement guide for a more complex procedure.
Step 1 | Back Cover
Ensure the phone is fully powered down.
- Insert a plastic opening tool into the groove located at the bottom left side of the device.
- Gently pry the rear cover upwards to remove it.
Step 2
Position the plastic opening tool at the battery's lower edge.
- Lift upwards on the tool to loosen the battery.
- Gently remove the battery from its housing using both hands.
Step 3
Remove the 11 x 3.9 mm Phillips #00 screws located at the back of the device.
Step 4
Insert the plastic opening tool into the lower left corner.
- Lift the cover firmly upwards.
- Remove the cover using only your fingers.
Step 5 | Motherboard
Careful removal of connectors is essential to prevent damage.
- Use a plastic spudger or opening tool to carefully remove:
- F front-facing camera connector
- R rear-facing camera connector
- D digitizer connector
Check for adhesive tape securing the rear-facing camera. Gently pry it with the spudger before lifting the motherboard to prevent damage.
Step 6
- Lift the motherboard upwards.
- Use a plastic opening tool and your fingers for support.
Step 7 | Screen Assembly
Apply heat to the auxiliary port using a heat gun or iOpener
Step 8
Insert nylon spudger into the auxiliary port and gently pry upward to release.
Step 9 | Other components
Remove the vibration motor from the old display.
- Locate the small circular component with two gold contacts. Remove it using a spudger.
- Take out the ear-speaker and set it aside.
- Remove the two rubber covers on either side of the ear-speaker.
Be careful when handling these delicate components to avoid damage.
- Transfer these components to their corresponding positions in the new display assembly.