LG Optimus 3D Headphone Jack Replacement

Locate the notch at the bottom of the phone and use it as a lever to pry the back cover off with your fingernail.

The battery is located near the bottom of the phone, identifiable by its large size and black color.

• Locate the semi-circular notch at the bottom edge of the battery.
• Press against the notch and gently lift upwards to release the battery.

Remove nine screws from the phone using a PH00 screwdriver.

• Start with 6 x 9mm PH00 screws. Locate them according to the picture.
• Next, remove 3 x 4mm PH00 screws.

Grasp the bottom cover and gently pull it downwards to release.

Use a plastic opening tool to pry around the device's perimeter.

Be cautious of the delicate ribbons behind buttons and ports; avoid applying too much pressure that could damage them.

• Remove the Mid-Cover Bezel.
• Take out the button covers from under the bezel and set aside.

Use a spudger or plastic opening tool to gently disconnect the ribbon cable from the SIM card board.

Preheat the device with a hair-dryer on high or a heat-gun on low, heating in short intervals of about one minute.

• Heat for no more than 30 seconds at a time to prevent over-heating.
• Use heat to loosen the adhesive holding down the SD/SIM Card Board.

Prying a stuck board without proper heat application can damage components.

• Pry gently along the edges with a plastic spudger until the board is released from its adhesive.
• Do not forget to release the small tab connected to the camera unit.
• If separation remains difficult, apply additional heat before reattempting.

Use a spudger or plastic opening tool to gently lift the ribbon cables connected to the motherboard.

• Lift out the button tabs with a spudger, working carefully around their light adhesive hold.

Disconnect both ends of the antenna cable.

• Release the connector from the motherboard.
• Remove the connector located at the bottom of the phone.

Use a spudger to carefully remove the motherboard assembly from its housing.

• Avoid the motherboard getting tangled with the camera's ribbon cable.

Disconnect the ribbon cable connected to the headphone jack assembly using a plastic opening tool.

Remove the Headphone Jack by prying it gently away from the phone's body.