Teardown difficulty:
Easy
Duration:
10 min

Recommended tools

Disassembly of the mobile device Xiaomi Redmi 9 (Xiaomi Redmi 9 M2004J9AG) with each step description and the required set of tools.

Load more

Specialist in content creation, distribution and content management.


How to disassemble Xiaomi Redmi 9, Step 1/1

Step 1. Before disassembling!

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


How to disassemble Xiaomi Redmi 9, Step 2/1 How to disassemble Xiaomi Redmi 9, Step 2/2 How to disassemble Xiaomi Redmi 9, Step 2/3 How to disassemble Xiaomi Redmi 9, Step 2/4

Step 2. Remove the tray

Use the Key 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 Redmi 9, Step 3/1 How to disassemble Xiaomi Redmi 9, Step 3/2 How to disassemble Xiaomi Redmi 9, Step 3/3 How to disassemble Xiaomi Redmi 9, Step 3/4

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.

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


How to disassemble Xiaomi Redmi 9, Step 4/1 How to disassemble Xiaomi Redmi 9, Step 4/2 How to disassemble Xiaomi Redmi 9, Step 4/3

Step 4. Unscrew the screws

Using a screwdriver (Phillips 1.5 mm PH000), unscrew the 10 screws.


How to disassemble Xiaomi Redmi 9, Step 5/1 How to disassemble Xiaomi Redmi 9, Step 5/2

Step 5. Remove the bracket

Remove the bracket holding the connectors.


How to disassemble Xiaomi Redmi 9, Step 6/1 How to disassemble Xiaomi Redmi 9, Step 6/2 How to disassemble Xiaomi Redmi 9, Step 6/3

Step 6. Open the cover

Pry up the fingerprint sensor connector and remove the cover with antennas that protect the printed circuit board (PCB).

Try to lift the covers by the edges and not push anything between them to not accidentally touch or short-circuit anything on the PCB.


How to disassemble Xiaomi Redmi 9, Step 7/1 How to disassemble Xiaomi Redmi 9, Step 7/2

Step 7. Disconnect the battery connector

Disconnect the battery connector as soon as possible.

ℹ️️ The Xiaomi Redmi 9 M2004J9AG model has a battery BN54 with 5020 mAh capacity (aka rechargeable battery).

⚠️ 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.


How to disassemble Xiaomi Redmi 9, Step 8/1 How to disassemble Xiaomi Redmi 9, Step 8/2 How to disassemble Xiaomi Redmi 9, Step 8/3

Step 8. Unscrew the screws

Using a screwdriver (Phillips 1.5 mm PH000), unscrew 7 screws.


How to disassemble Xiaomi Redmi 9, Step 9/1 How to disassemble Xiaomi Redmi 9, Step 9/2 How to disassemble Xiaomi Redmi 9, Step 9/3

Step 9. Remove the loudspeaker

Remove the loudspeaker assembly with antennas.


How to disassemble Xiaomi Redmi 9, Step 10/1 How to disassemble Xiaomi Redmi 9, Step 10/2 How to disassemble Xiaomi Redmi 9, Step 10/3

Step 10. Unscrew one screw

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


How to disassemble Xiaomi Redmi 9, Step 11/1 How to disassemble Xiaomi Redmi 9, Step 11/2 How to disassemble Xiaomi Redmi 9, Step 11/3

Step 11. Remove the inter-board cable

Carefully, preferably from the edge, disconnect the connectors and remove the inter-board cable connecting the mainboard to the daughterboard (also known as the sub-board).

⚠️ 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.

ℹ️️ An arrow on the FFC cable (flexible flat cable) indicates its correct position.


How to disassemble Xiaomi Redmi 9, Step 12/1

Step 12. Disconnect the connector

Pry up the coaxial cable connector.


How to disassemble Xiaomi Redmi 9, Step 13/1 How to disassemble Xiaomi Redmi 9, Step 13/2 How to disassemble Xiaomi Redmi 9, Step 13/3

Step 13. 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.

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

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


How to disassemble Xiaomi Redmi 9, Step 14/1 How to disassemble Xiaomi Redmi 9, Step 14/2 How to disassemble Xiaomi Redmi 9, Step 14/3 How to disassemble Xiaomi Redmi 9, Step 14/4

Step 14. Open the cover

Open the cover securing the cameras.


How to disassemble Xiaomi Redmi 9, Step 15/1 How to disassemble Xiaomi Redmi 9, Step 15/2 How to disassemble Xiaomi Redmi 9, Step 15/3 How to disassemble Xiaomi Redmi 9, Step 15/4

Step 15. Remove the cameras

Pry up the connectors and remove three rear cameras and one front (selfie) camera.


How to disassemble Xiaomi Redmi 9, Step 16/1 How to disassemble Xiaomi Redmi 9, Step 16/2

Step 16. Disconnect the connectors

Pry up the connectors of the display module cable, 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 Redmi 9, Step 17/1 How to disassemble Xiaomi Redmi 9, Step 17/2 How to disassemble Xiaomi Redmi 9, Step 17/3 How to disassemble Xiaomi Redmi 9, Step 17/4

Step 17. 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.

⚠️ 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.


How to disassemble Xiaomi Redmi 9, Step 18/1 How to disassemble Xiaomi Redmi 9, Step 18/2 How to disassemble Xiaomi Redmi 9, Step 18/3

Step 18. Remove the rear camera

Pry up the connector and remove the rear camera.

Detailed disassembly instructions of Xiaomi Redmi 9 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.

Load more

Disassembling\Repair has easy complexity and takes about 10 minutes in time. Our manual is suitable for all models Xiaomi Redmi 9 — Xiaomi Redmi 9 M2004J9AG released for markets in different countries.



Back to the list