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[Guide] How to disassemble the Xiaomi Mi4

Hoping you never really need it, we still want to show you a stripped Xiaomi Mi4 in order to help you repair and replace the various components: back-cover, battery, camera, speaker, power button, display and motherboard.

There is no need to remind you that certain operations should only be done with expert hands and with appropriate tools. Proceeding with do-it-yourself makes you accept the risk of creating greater damage to the original problem.

The tools needed

To accommodate a very large battery, the Mi4 back-cover is slightly curved and bent.

The back cover of the Mi4 is made with 9 different layers of polycarbonate to make it flexible and resistant.

The antenna is positioned behind the SIM card slot.

The frame is made of stainless steel.

Remove all the screws that anchor the inner frame.

At this point you should see your Mi4 this way.

The flash is attached to the phone's plastic outer shell.

The Xiaomi Mi4 uses a 3080 mah lithium battery made by Sony.

These are the volume bar buttons and the power button.

The rear and front camera.

The printed circuit board at the bottom incorporates an antenna, microUSB attachment, microphone and notifications LED.

The MicroUSB slot uses 6pin and supports 9V / 1.2A fast charge.

The ATMEL MXT641T chip allows you to use the touchscreen with both gloves and wet hands. It is also capable of detecting hand movement up to 2cm away from the display!

Most components are protected by a metal cover.

Toshiba 16GB eMMC ROM

The Qualcomm WCD9320 audio chip

Qualcomm WCN3680 WiFi, Bluetooth, FM radio chip with support 802.11ac 5Ghz WiFi and Bluetooth 4.0

Qualcomm WTR1625 chip does not support LTE networks but integrates GPS.

Samsung 3GB RAM + Qualcomm processor MSM8X74AC 2.5ghz Quad Core

The AVAGO ACPM-7600 dual-band signal amplifier made specifically for the CDMA (code division multiple access cellular) standard.

Qualcomm PM8941 power manager with QuickCharge 2.0 support

Infrared IR Transceiver

Simone Rodriguez
Simone Rodriguez

Blogger, but above all passionate about technology. I am part of a generation that has passed from the cathode ray tube to smartphones, making me witness to an unprecedented technological evolution. From 2012 I assiduously follow the Xiaomi brand that with the conveyance of various projects led me to realize, the home of all the Italian Xiaomisti. Write me: [email protected]


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