LG G7 ThinQ Motherboard Replacement

简介

If your LG G7 ThinQ (model IMEI 358159091436289) is turning on-and-off quickly, turning off randomly, or sometimes even screen malfunctioning, use this guide to replace the motherboard.

The motherboard is the main component of the phone. It may also be called the main board and it controls everything in the phone. It is what sends all the communications to the parts of the phone that need to be used for a specific task. A faulty motherboard can cause all kinds of issues including power issues and screen malfunction.

Before beginning, make sure the phone is powered off and is disconnected from any source of power.

你所需要的

步骤 1 SIM Card

LG G7 ThinQ Motherboard Replacement, SIM Card: 步骤 1 中的图像 1，1

Insert a SIM card eject tool into the hole in the SIM card slot on the top right of the phone.
After the SIM card tray is ejected, remove the SIM card tray from the phone.
Remove the SIM card from the tray.

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步骤 2 Back Cover

LG G7 ThinQ Motherboard Replacement, Back Cover: 步骤 2 中的图像 1，1

Place the phone so the back cover is facing upwards.
Insert the opening picks one by one onto each side with equal pressure.
There is extra adhesive at the top near the cameras. You need to loosen the adhesive there to open the case.
If the picks are too thick to fit in, you can use the Jimmy to start the process.
Use the pick with the best leverage to pry the back cover away from the phone.

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步骤 3 Speaker System

LG G7 ThinQ Motherboard Replacement, Speaker System: 步骤 3 中的图像 1，1

This device did not come with a midframe, but if yours does, follow the instructions in the teardown video to remove it.
Remove the screws along the perimeter and central area of the phone using a Phillips #000 screwdriver.