Teardown difficulty:
Moderate
Duration:
9 min

Recommended tools

Disassembly/Repair of the mobile device Xiaomi RedMi Note 5A with each step description and the required set of tools.


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How to disassemble Xiaomi RedMi Note 5A, Step 1/1 How to disassemble Xiaomi RedMi Note 5A, Step 1/2

Step 1. Remove the tray

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

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 RedMi Note 5A, Step 2/1 How to disassemble Xiaomi RedMi Note 5A, 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.


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Step 3. Unscrew the screws

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


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Step 4. Disconnect the battery connector

Carefully remove the bracket holding the connectors. Also 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 RedMi Note 5A model has a battery BN31 with 3000 mAh capacity (aka rechargeable battery).

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


How to disassemble Xiaomi RedMi Note 5A, Step 5/1 How to disassemble Xiaomi RedMi Note 5A, Step 5/2

Step 5. Unscrew the screws

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


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Step 6. Remove the loudspeaker

Pry over the edge and remove the assembly with a loudspeaker, vibration motor, antenna tracks.


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Step 7. Disconnect the connectors

Disconnect the connectors of the coaxial cable, inter-board cable, and touchscreen cable.

⚠️️ 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 8. 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, vibration motor 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 RedMi Note 5A, Step 9/1 How to disassemble Xiaomi RedMi Note 5A, Step 9/2

Step 9. Unscrew the screws

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


How to disassemble Xiaomi RedMi Note 5A, Step 10/1 How to disassemble Xiaomi RedMi Note 5A, Step 10/2

Step 10. 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 11. Disconnect the connectors

Pry up the connectors of the side buttons cable, 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.


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Step 12. Unscrew the screws

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


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Step 13. 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 14. In the display frame remained

ℹ️️ In the display frame remained: the earpiece speaker, battery, coaxial cable.

Detailed disassembly instructions of Xiaomi RedMi Note 5A 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 medium complexity and takes about 9 minutes in time. Our manual is suitable for all models Xiaomi RedMi Note 5A released for markets in different countries.



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