Teardown difficulty:
Hard
Duration:
12 min

Recommended tools

Disassembly/Repair of the mobile device Xiaomi Mi Mix 2 with each step description and the required set of tools.


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How to disassemble Xiaomi Mi Mix 2, Step 1/1 How to disassemble Xiaomi Mi Mix 2, Step 1/2

Step 1. Remove the tray

Use the ejection tool (aka Needle) or Paperclip. Push the tip all the way into the hole until the tray ejects, and then pull the tray of SIM and Memory card (Micro SD) out.

⚠️️ Pay attention! The tool must be inserted into a hole on the edge of the phone's housing. Do not press too hard. It may break the tray eject mechanism.


How to disassemble Xiaomi Mi Mix 2, Step 2/1 How to disassemble Xiaomi Mi Mix 2, Step 2/2

Step 2. Open the back cover

Using a spudger or a plastic pick, carefully, around the edge, detach the back cover clips, and remove it.

Do not insert the tool deeply or bend it. Otherwise, the housing may be tampered with or damaged.

⚠️️ Be careful when opening the cover from the volume and power buttons side. Thin cable and fragile buttons are straightforward to damage.

⚠️️ Pay attention to the fingerprint sensor cable located on the inside.


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Step 3. Unscrew the screws

Using a screwdriver (Phillips 1.5 mm PH #000), unscrew the ten screws.


How to disassemble Xiaomi Mi Mix 2, Step 4/1 How to disassemble Xiaomi Mi Mix 2, Step 4/2

Step 4. Open the cover

Pry over the edges. Move an opening tool along the edge detach the clips and remove the cover with antenna pads and tracks.


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Step 5. Disconnect the battery connector

Disconnect the battery connector as soon as possible. It is better to use a non-metal or plastic tool to avoid any damage.

ℹ️️ The Xiaomi Mi Mix 2 model has a battery BM3B with 3400 mAh capacity (aka rechargeable battery).

⚠️️ It is highly recommended to disconnect the connector to avoid possible short circuits during disassembly.


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Step 6. Disconnect the connector

Pry up the fingerprint sensor connector and remove the back cover.


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Step 7. Unscrew the screws

Using a screwdriver (Philips 1.5 mm PH #000), unscrew the seven screws.


How to disassemble Xiaomi Mi Mix 2, Step 8/1 How to disassemble Xiaomi Mi Mix 2, Step 8/2

Step 8. Remove the loudspeaker

Disconnect the coaxial cable connector on the motherboard. Pry over the edge and remove the assembly with a loudspeaker and coaxial cable.


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

Step 9. Disconnect the connectors

Disconnect the coaxial cable connector, inter-board cable connector, sensor cable connector.

⚠️️ Do not pull on the cable or pry it with a sharp tool, the connectors are pretty weak and break easily, or the cable falls out of the end (lug).


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Step 10. Remove the daughterboard

Remove the sub-board. It may be glued to the frame or attached with attachments like latches or hooks, so be careful.

ℹ️️ The sub-board contains a charging port (Micro-USB), microphone, spring contacts for the speaker, and an antenna unit.

⚠️️ It is not necessary to insert the tool underneath when removing the sub-board. Internal components could be damaged.


How to disassemble Xiaomi Mi Mix 2, Step 11/1 How to disassemble Xiaomi Mi Mix 2, Step 11/2

Step 11. Remove the battery

With extreme care, remove the battery because it is glued from the inside by the manufacturer.

Also, we need to remember or look in advance at the location of the flat cables under the battery, so as not to damage them.


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Step 12. Disconnect the connectors

Pry up the connectors of the side buttons cable (with front camera), display module cable, inter-board cable, and coaxial cable.

⚠️️ Be careful when removing the cables from the connectors, the cables are pretty thin, and it is easy enough to break them or damage the contact tracks inside.


How to disassemble Xiaomi Mi Mix 2, Step 13/1 How to disassemble Xiaomi Mi Mix 2, Step 13/2

Step 13. Unscrew one screw

Using a screwdriver (Philips 1.5 mm PH #000), unscrew one screw securing the motherboard.


How to disassemble Xiaomi Mi Mix 2, Step 14/1 How to disassemble Xiaomi Mi Mix 2, Step 14/2

Step 14. Remove the motherboard

Carefully remove the printed circuit board. There is no need to use a lever or try to reach the circuit board by force. Make sure that nothing is getting in the way or holding the circuit board.

The motherboard, also, may be attached with attachments like latches or hooks, be careful.

⚠️️ Do not bend the circuit board when removing it or push tools under it. Unbeknownst to yourself, you can damage components or cables from the inside.


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Step 15. In the display frame remained

ℹ️️ In the display frame remained: the earpiece speaker, coaxial cable, and vibration motor.

Detailed disassembly instructions of Xiaomi Mi Mix 2 in the video, made by our mobile repair & service center:

If you have a question, ask us, and we will try to answer in as much detail as possible. If this article was helpful for you, please rate it.


Disassembling\Repair has hard complexity and takes about 12 minutes in time. Our manual is suitable for all models Xiaomi Mi Mix 2 released for markets in different countries.



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