Teardown difficulty:
Easy
Duration:
9 min

Recommended tools

Disassembly/Repair of the mobile device Xiaomi Redmi Go (Xiaomi Redmi Go M1903C3GG) with each step description and the required set of tools.


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How to disassemble Xiaomi Redmi Go, Step 1/1 How to disassemble Xiaomi Redmi Go, Step 1/2

Step 1. Remove the trays

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 out. Should do it for each of the SIM and Memory card (Micro SD) trays.

⚠️️ 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 Go, Step 2/1 How to disassemble Xiaomi Redmi Go, 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.


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

Step 3. Unscrew the screws

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


How to disassemble Xiaomi Redmi Go, Step 4/1 How to disassemble Xiaomi Redmi Go, 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.

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

⚠️️ It is crucial while reassembling, checking the spring contacts on the board, and the contact pads on the cover match and touch. Otherwise, the signal loss or signal may be quite weak.


How to disassemble Xiaomi Redmi Go, Step 5/1

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 Redmi Go model has a battery BN3A 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 Go, Step 6/1 How to disassemble Xiaomi Redmi Go, Step 6/2

Step 6. Unscrew the screws

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


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

Step 7. Remove the loudspeaker

Pry over the edge and remove the loudspeaker assembly with antenna tracks.


How to disassemble Xiaomi Redmi Go, Step 8/1

Step 8. Disconnect the connectors

Disconnect the coaxial cable connector, inter-board 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 9. 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 Redmi Go, Step 10/1 How to disassemble Xiaomi Redmi Go, Step 10/2

Step 10. Remove the rear camera

Disconnect the connector on the motherboard, and remove the main camera.


How to disassemble Xiaomi Redmi Go, Step 11/1 How to disassemble Xiaomi Redmi Go, Step 11/2

Step 11. Disconnect the connector

Pry up the connectors of the side buttons cable, display cable, touchscreen 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. 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.


How to disassemble Xiaomi Redmi Go, Step 13/1 How to disassemble Xiaomi Redmi Go, Step 13/2

Step 13. Remove the front camera

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

Detailed disassembly instructions of Xiaomi Redmi Go 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 9 minutes in time. Our manual is suitable for all models Xiaomi Redmi Go — Xiaomi Redmi Go M1903C3GG released for markets in different countries.



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