Teardown difficulty:
Easy
Duration:
10 min

Recommended tools

Disassembly of the mobile device Sony Xperia L3 (Sony Xperia L3 I3312) with each step description and the required set of tools.

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How to disassemble Sony Xperia L3, Step 1/1

Step 1. Before disassembling!

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


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Step 2. Remove the tray

Open the protective plug/hatch hiding the SIM and Memory cards tray. Using fingers or tweezers, pinch the tray and pull it out.

 


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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.

ℹ️️ The surface of the back cover may be slightly heated to facilitate the separation. The approximate heating temperature is 50° C / 125° F.


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Step 4. Unscrew the screws

Using a screwdriver (Phillips 1.5 mm PH000), unscrew the 9 screws.


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Step 5. Remove the cover

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.

ℹ️️ On the upper cover, you can see the metalized coating on the plastic in the form of tracks and contact pads. These are Wi-Fi, Bluetooth, and GPS antennas.

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


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Step 6. Disconnect the battery connector

Disconnect the battery connector as soon as possible.

ℹ️️ The Sony Xperia L3 model has a battery LIP654ERPC with 3200 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.


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Step 7. Unscrew the screws

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


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Step 8. Remove the loudspeaker

Remove the cover with antennas and a loudspeaker.


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Step 9. Disconnect the connectors

Disconnect the coaxial cables connectors and inter-board cable 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).


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Step 10. 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, vibration motor, 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.


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Step 11. Remove the cameras

Disconnect the connectors and remove two cameras' assembly.


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Step 12. Unscrew the screws

Using a screwdriver (Phillips 1.5 mm PH000), unscrew the 2 screws and remove the bracket holding the connectors.


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Step 13. Disconnect the connectors

Pry up the connectors of power volume buttons cable, display module cable, inter-board cable, and two coaxial cables.

⚠️ 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 14. Remove the mainboard

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.


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Step 15. Remove the front camera

Disconnect the connector on PCB and remove the front (facing) camera.

Detailed disassembly instructions of Sony Xperia L3 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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Disassembling\Repair has easy complexity and takes about 10 minutes in time. Our manual is suitable for all models Sony Xperia L3 — Sony Xperia L3 I3312 released for markets in different countries.



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