Teardown difficulty:
Easy
Duration:
6 min

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Disassembly of the mobile device Huawei Y5 (2017) (Huawei Y5 (2017) MYA-U29) with each step description and the required set of tools.

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How to disassemble Huawei Y5 (2017), Step 1/1

Step 1. Before disassembling!

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


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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.


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Step 3. Unscrew the screws

Using a screwdriver (Phillips 1.5 mm PH000), unscrew 12 short screws.

ℹ️️ Be sure to note the location of the screws before disassembling. When assembling the device, screwing the screw in the wrong place may damage the device or its part. To avoid damage, the removed screws and individual pieces (as gaskets or brackets) must be laid out in the appropriate order, or the screws and their holes in the phone must be marked with colored markers.


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Step 4. Unscrew the screws

Using a screwdriver (Phillips 1.5 mm PH000), unscrew 4 long screws.


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Step 5. Open the covers

Remove the cover with antennas that protect the printed circuit board (PCB) and assembly with a loudspeaker. 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. Open the cover

Remove the middle cover hiding the battery.


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Step 7. Disconnect the battery connector

Disconnect the battery connector as soon as possible.

ℹ️️ The Huawei Y5 (2017) MYA-U29 model has a battery HB405979ECW with 3020 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 8. Disconnect the connectors

Disconnect the coaxial cable connector, inter-board sub-screen 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 9. 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, spring contacts for the speaker, vibration motor, 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 10. Remove the cameras

Disconnect the connectors, remove the front (selfie) and rear cameras.


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Step 11. Unscrew one screw

Using a screwdriver (Phillips 1.5 mm PH000), unscrew one screw securing the motherboard.


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Step 12. Disconnect the connectors

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

⚠️ Coaxial cable connects to the PCB from the inside.


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Step 14. Disconnect the connector

Disconnect coaxial cable connector.


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Step 15. In the display frame remained

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

Detailed disassembly instructions of Huawei Y5 (2017) 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 6 minutes in time. Our manual is suitable for all models Huawei Y5 (2017) — Huawei Y5 (2017) MYA-U29 released for markets in different countries.



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