Teardown difficulty:
Easy
Duration:
14 min

Recommended tools

Disassembly of the mobile device Realme C25 (Реалми С25 RMX3191) with each step description and the required set of tools.

How to disassemble Realme C25, Step 1/1 How to disassemble Realme C25, Step 1/2

Step 1. Before disassembling!

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


How to disassemble Realme C25, Step 2/1 How to disassemble Realme C25, Step 2/2 How to disassemble Realme C25, Step 2/3 How to disassemble Realme C25, Step 2/4

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.

⚠️ 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 Realme C25, Step 3/1 How to disassemble Realme C25, Step 3/2 How to disassemble Realme C25, Step 3/3 How to disassemble Realme C25, 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 Realme C25, Step 4/1 How to disassemble Realme C25, Step 4/2 How to disassemble Realme C25, Step 4/3 How to disassemble Realme C25, Step 4/4

Step 4. Open the cover

There will be two steps.

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

2. Open the cover hiding the motherboard.


How to disassemble Realme C25, Step 5/1 How to disassemble Realme C25, Step 5/2

Step 5. Disconnect the battery connector

Disconnect the battery connector as soon as possible.

ℹ️️ The Realme C25 RMX3191 model has a battery BLP793 with 6000 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 Realme C25, Step 6/1 How to disassemble Realme C25, Step 6/2 How to disassemble Realme C25, Step 6/3 How to disassemble Realme C25, Step 6/4

Step 6. Remove the fingerprint sensor

Pry up the connector and remove the fingerprint sensor.


How to disassemble Realme C25, Step 7/1 How to disassemble Realme C25, Step 7/2 How to disassemble Realme C25, Step 7/3

Step 7. Unscrew the screws

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


How to disassemble Realme C25, Step 8/1 How to disassemble Realme C25, Step 8/2 How to disassemble Realme C25, Step 8/3

Step 8. Remove the loudspeaker

Remove the loudspeaker assembly with antennas.


How to disassemble Realme C25, Step 9/1 How to disassemble Realme C25, Step 9/2 How to disassemble Realme C25, Step 9/3

Step 9. Disconnect the connectors

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

⚠️ 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).


How to disassemble Realme C25, Step 10/1 How to disassemble Realme C25, Step 10/2 How to disassemble Realme C25, Step 10/3

Step 10. Remove the daughterboard

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

ℹ️️ The sub-board contains a charging port (Micro USB), microphone, headphone jack socket, 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 Realme C25, Step 11/1 How to disassemble Realme C25, Step 11/2 How to disassemble Realme C25, Step 11/3 How to disassemble Realme C25, Step 11/4 How to disassemble Realme C25, Step 11/5

Step 11. Remove the cameras

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


How to disassemble Realme C25, Step 12/1 How to disassemble Realme C25, Step 12/2 How to disassemble Realme C25, Step 12/3

Step 12. Disconnect the connectors

Pry up the connectors of the 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.


How to disassemble Realme C25, Step 13/1 How to disassemble Realme C25, Step 13/2 How to disassemble Realme C25, Step 13/3

Step 13. 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 Realme C25, Step 14/1 How to disassemble Realme C25, Step 14/2 How to disassemble Realme C25, Step 14/3

Step 14. In the display frame remained

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

Detailed disassembly instructions of Realme C25 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.



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