Teardown difficulty:
Easy
Duration:
12 min

Recommended tools

Disassembly/Repair of the mobile device Xiaomi Redmi S2 (Xiaomi Redmi S2 Dual M1803E6G, Xiaomi Redmi Y2 in India) with each step description and the required set of tools.


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How to disassemble Xiaomi Redmi S2, Step 1/1 How to disassemble Xiaomi Redmi S2, 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.


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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. To remove the back cover we have to disconnect the fingerprint sensor cable connector from the inside.


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Step 3. Unscrew the screws

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


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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. Remove the battery

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 S2 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.

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


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Step 6. Unscrew the screws

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


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Step 7. Remove the loudspeaker

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


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Step 8. Remove the coaxial cable

Disconnect connectors and remove the coaxial cable.


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Step 9. Disconnect the connectors

Disconnect the inter-board cable connector, touchscreen 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, 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.


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Step 11. Disconnect the connectors

Pry up the connectors of the side buttons cable, display cable, inter-board cable, and connectors of the two rear cameras.

⚠️️ 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. Remove the front camera

Disconnect the connector on the motherboard, and remove the front (selfie) camera.

The camera is glued with a copper film (it has an upper black layer) that moves the heat from the camera to the shield on the motherboard.


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Step 13. Unscrew the screws

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


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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. Remove the cameras

Pry at the bottom and unstick the assembly of the two rear cameras.


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Step 16. In the display frame remained

ℹ️️ In the display frame remained: the earpiece speaker.

Detailed disassembly instructions of Xiaomi Redmi S2 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 S2 — Xiaomi Redmi S2 Dual M1803E6G, Xiaomi Redmi Y2 in India released for markets in different countries.



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