LG G3 Disassembly

In this guide, I’ll explain how to disassemble LG G3 to remove and replace the back cover, battery, keyboard, speaker, rear camera, front camera, headphone, and motherboard.

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LG G3 Specifications
Screen size: 5.5-inch IPS(2560*1440)
Operating System: Android OS 4.4
CPU: Qualcomm Snapdragon 801
RAM: 2GB
ROM: 16GB
Extended Capacity: 128GB
Battery: 3000mAh
Rear camera: 13 million pixels
Front camera: 2.1 million pixels

LG G3 teardown step:

The first step is removing the back cover, and you can insert a guitar pick to pry it up.

The back cover is marked with the words PC + ABS + 10% GF, which means it is made of PC + ABS + 10% GF. The middle is the NFC antenna.

Pry up and remove the battery.

Remove twelve screws securing the middle frame.

Remove the antenna/speaker module; it is fixed by some snaps, and remove it relatively simply.

The antenna/speaker module

Remove the top bezel.

Remove the motherboard.

Elpida FA164A2PM-JD-F SDRAM
Qualcomm WTR1625L 2G, 3G, 4G RF Transceiver
RFMD RF7459 power amplifier
Analogix ANX7812 slimport chip
Qualcomm PM8941 power management chip
Qualcomm WCN3680B Bluetooth, Wi-Fi, FM chip

SanDisk SDIN9DW4 16GB ROM
Qualcomm PM8841 power management chip
InvenSense MPU6500 Gyro sensor

Remove the vibrator, receiver, front camera, rear camera, and headphones.

Button module

For more guides, check out the LG G3 device page.

Source: ewisetech