Disassembly/Repair of the mobile device ZTE Blade A3 (ZTE Blade A3 A0616) with each step description and the required set of tools.
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Step 1.
⚠️ Before disassembling, do not forget to turn your phone off.
Step 2.
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.
Step 3.
Using a screwdriver (Phillips 1.5 mm PH000), unscrew the 17 screws.
Step 4.
Remove the middle cover with antennas and a loudspeaker.
Step 5.
Disconnect the battery connector as soon as possible.
ℹ️ The ZTE Blade A3 A0616 model has a battery Li3939T44P8h856743 with 4000 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.
Step 6.
Disconnect the connector and remove the fingerprint sensor.
Step 7.
Using a screwdriver (Phillips 1.5 mm PH000), unscrew one screw securing the sub-board.
Step 8.
Disconnect the coaxial cable connector, cables to the mainboard. Unsolder two vibration motor wires.
⚠ 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).
Step 9.
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.
ℹ️ The 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 under the board when removing the sub-board. Internal components could be damaged.
Step 10.
Disconnect connectors and remove the assembly of the two front cameras.
Step 11.
Pry up the connectors of power volume buttons cable, 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.
Step 12.
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.
Step 13.
Disconnect the connectors and remove the rear camera.
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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