Teardown difficulty:
Easy
Duration:
12 min

Recommended tools

Disassembly of the mobile device Xiaomi Redmi 9A (Xiaomi Redmi 9A M2006C3LG) with each step description and the required set of tools.


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Step 1. Before disassembling!

⚠ī¸ Before disassembling, do not forget to turn your phone off.


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Step 2. 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.

⚠ī¸ 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.


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Step 3. 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.

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


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Step 4. Unscrew the screws

Using a screwdriver (Phillips 1.5 mm PH000), unscrew 11 screws.


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Step 5. Open the cover

Carefully remove the cover protecting the motherboard.


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Step 6. Disconnect the battery connector

Disconnect the battery connector as soon as possible.

ℹī¸ī¸ The Xiaomi Redmi 9A M2006C3LG model has a battery BN56 with 5000 mAh capacity (aka rechargeable battery).

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

Also, try not to use a metal tool to disconnect the rechargeable battery connector or do it carefully.


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Step 7. Unscrew the screws

Using a screwdriver (Phillips 1.5 mm PH000), unscrew 8 screws.


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Step 8. Remove the loudspeaker

Remove the loudspeaker assembly with antennas.


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Step 9. Unscrew one screw

Using a screwdriver (Philips 1.5 mm PH000), unscrew one screw securing the sub-board.


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Step 10. Disconnect the connectors

Disconnect the coaxial cable connector, cable to the mainboard, on the daughterboard.

⚠ī¸ 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 11. Remove the daughterboard

Remove the sub-board. It is glued to the frame with metalized tape, so to facilitate the process, the board can be heated a bit.

ℹī¸ī¸ The board contains a charging port (Micro USB), microphone, spring contacts for the speaker, vibration motor, and an antenna unit.

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


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Step 12. Remove the battery

Carefully remove the battery. The whole process can be seen in our video down below.


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Step 13. Remove the front camera

Pry up the connector and remove the front (selfie) camera.


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Step 14. Disconnect the connectors

Pry up the connectors of the display module cable, coaxial cable.

⚠ī¸ 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.


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Step 15. Remove the motherboard

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

⚠ī¸ 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 16. Remove the rear camera

Disconnect the connector and remove the rear camera.

Detailed disassembly instructions of Xiaomi Redmi 9A 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 easy complexity and takes about 12 minutes in time. Our manual is suitable for all models Xiaomi Redmi 9A — Xiaomi Redmi 9A M2006C3LG released for markets in different countries.



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