LG V30 Screen and Digitizer Replacement Guide

Power off the phone

Remove the SIM-tray

Warning: Before you start the repair, discharge the LG V30 battery below 25%. Battery can catch fire and explode if punctured accidentally

Apply heat to the edges of a back panel to soften the adhesive that holds it

Insert the flat metal opening tool between the back cover and the frame and lift the back cover slightly

Insert 2 guitar picks into the gap

Slide the picks along the edges in opposite directions to brake the glue

Separate the back cover from the rest of the device

Warning: Be careful with the heat gun, you may overheat the motherboard or the battery.

Unscrew the 10 screws that are holding the plastic housing

Remove the loudspeaker

Remove the wireless charging receiver

Disconnect the battery flex cable

Disconnect the main camera flex cable

Disconnect the digitizer flex cable

Disconnect the front camera flex cable

Disconnect the display flex cable

Disconnect the charging port flex cable

Warning: The battery should always be disconnected first. Use only plastic tools to disconnect the battery.

Remove the motherboard form the front panel assembly

Pry the motherboard up gently with a nylon spudger to release it from the clips that are holding it

Warning: Caution is advised, you should start removing the board from the top, and be gentle, the PCB boards are brittle and can brake.

Remove the battery by gently prying it up

Remove the vibration motor

Remove the front camera module

Put the battery into the new front panel assembly

Put the vibration motor into the new front panel assembly

Put the front camera module into the new front panel assembly

Info: This front panel assembly has the earpiece, the microphone, the charging port and the earpiece pre-installed.

Warning: Pay attention not to puncture the battery while removing it. Also try not to damage other vital parts while transferring them to the new display assembly.

Place the motherboArd into the new front panel assembly

Use the nylon spudger to gently press the board against the pins in the assembly

Warning: Caution is advised, you should start inserting the board from the bottom, and be gentle, the PCB boards are brittle and can brake. Never use metal tools with the motherboard, use only plastic and anti-static tools.

Connect the display flex cable

Connect the charging port flex cable

Connect the front camera flex cable

Connect the digitizer flex cable

Connect the main camera flex cable

Connect the battery flex cable

Info: Connect the flex cables in reverse order of when you disconnected them.

The battery should always be connected last. Use only plastic tools to connect the battery.

Place the middle plastic cover with the wireless charging module on top of the motherboard and gently press around the edges to secure it

Place the the loud speaker onto the bottom part of the motherboard

After you make sure that everything is in its place, secure everything with the 10 Phillips-head screws

Remove the old glue residue from the back cover

Clean the back cover before the reassembly

Apply some B-7000 glue to the edges of the metal frame

Position the back cover on top of the frame

Put some clamps to ensure better adhesion, remove them after the glue dries

Info: Allow glue to dry for 48 hours, cure time increases with lower temperatures and decreases with higher temperatures.

Warning: B-7000 hardens by solvent evaporation and forms an immediate bond that is difficult to reposition after both adhesive-coated surfaces are placed in contact with each other and sufficient pressure is exerted to establish full contact.

Turn-on the LG V30 to test the screen

The repair is done successfully