Teardown difficulty:
Moderate
Duration:
16 min

Recommended tools

Disassembly of the mobile device Xiaomi Mi 9 Lite (Xiaomi Mi 9 Lite M1904F3BG) with each step description and the required set of tools.


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How to disassemble Xiaomi Mi 9 Lite, Step 1/1 How to disassemble Xiaomi Mi 9 Lite, Step 1/2

Step 1

Using the key tool, open the SIM and Micro SD cards tray and remove it.

⚠️ Warning!

Do not push too hard this may cause damage.

How to disassemble Xiaomi Mi 9 Lite, Step 2/1 How to disassemble Xiaomi Mi 9 Lite, Step 2/2

Step 2

Open the back cover.

⚠️ Warning!

For careful separation, we recommend using a heat gun. At the same time, it is necessary to heat carefully in order, not to damage the surface of the device.

How to disassemble Xiaomi Mi 9 Lite, Step 3/1 How to disassemble Xiaomi Mi 9 Lite, Step 3/2

Step 3

Using a screwdriver (Phillips 1.5 mm PH000), unscrew 11 screws.
How to disassemble Xiaomi Mi 9 Lite, Step 4/1 How to disassemble Xiaomi Mi 9 Lite, Step 4/2

Step 4

Open the cover hiding the PCB.
How to disassemble Xiaomi Mi 9 Lite, Step 5/1 How to disassemble Xiaomi Mi 9 Lite, Step 5/2

Step 5

Disconnect the battery connector. The battery model of Xiaomi Mi 9 Lite is BM4F.

⚠️ Warning!

We strongly recommend disconnecting the connector to avoid a possible short circuit during disassembly.

How to disassemble Xiaomi Mi 9 Lite, Step 6/1 How to disassemble Xiaomi Mi 9 Lite, Step 6/2

Step 6

Using a screwdriver (Phillips 1.5 mm PH000), unscrew 8 screws.
How to disassemble Xiaomi Mi 9 Lite, Step 7/1 How to disassemble Xiaomi Mi 9 Lite, Step 7/2

Step 7

Pry and remove the buzzer (loudspeaker) assembly.
How to disassemble Xiaomi Mi 9 Lite, Step 8/1 How to disassemble Xiaomi Mi 9 Lite, Step 8/2

Step 8

Disconnect connectors and remove the inter-board cable.
How to disassemble Xiaomi Mi 9 Lite, Step 9/1 How to disassemble Xiaomi Mi 9 Lite, Step 9/2

Step 9

Using a screwdriver (Phillips 1.5 mm PH000), unscrew 1 screw in the daughterboard.
How to disassemble Xiaomi Mi 9 Lite, Step 10/1

Step 10

Disconnect connectors on the daughterboard.
How to disassemble Xiaomi Mi 9 Lite, Step 11/1 How to disassemble Xiaomi Mi 9 Lite, Step 11/2

Step 11

Remove the daughterboard, also known as sub-board.
How to disassemble Xiaomi Mi 9 Lite, Step 12/1 How to disassemble Xiaomi Mi 9 Lite, Step 12/2

Step 12

Disconnect the connector on PCB, and remove the front (selfie) camera.
How to disassemble Xiaomi Mi 9 Lite, Step 13/1 How to disassemble Xiaomi Mi 9 Lite, Step 13/2

Step 13

Disconnect connectors on the PCB.
How to disassemble Xiaomi Mi 9 Lite, Step 14/1 How to disassemble Xiaomi Mi 9 Lite, Step 14/2

Step 14

Remove the PCB.
How to disassemble Xiaomi Mi 9 Lite, Step 15/1 How to disassemble Xiaomi Mi 9 Lite, Step 15/2

Step 15

Disconnect the connector on PCB, and remove the assembly of three rear cameras.

Detailed disassembly instructions of Xiaomi Mi 9 Lite in the video, made by our mobile repair & service center:


Disassembling\Repair has medium complexity and takes about 16 minutes in time.
Our manual is suitable for all models Xiaomi Mi 9 Lite — Xiaomi Mi 9 Lite M1904F3BG released for markets in different countries.



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