Teardown difficulty:
Easy
Duration:
10 min

Recommended tools

Disassembly/Repair of the mobile device ZTE Blade A520 with each step description and the required set of tools.


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How to disassemble ZTE Blade A520, Step 1/1 How to disassemble ZTE Blade A520, Step 1/2

Step 1. 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.


How to disassemble ZTE Blade A520, Step 2/1 How to disassemble ZTE Blade A520, Step 2/2

Step 2. Remove the battery

There is an indentation at the end of the battery on the middle cover. Hook the battery at this point, lift it up and remove the battery.

ℹ️️ The ZTE Blade A520 model has a battery Li3824T44P4h716043 with 2400 mAh capacity (aka rechargeable battery).


How to disassemble ZTE Blade A520, Step 3/1 How to disassemble ZTE Blade A520, Step 3/2

Step 3. Unscrew the screws

Using a screwdriver (Phillips 1.5 mm PH #000), unscrew 15 screws.


How to disassemble ZTE Blade A520, Step 4/1 How to disassemble ZTE Blade A520, Step 4/2

Step 4. Open the middle cover

Pry over the edges. Move an opening tool along the edge detach the clips and remove the middle cover with a loudspeaker and antenna pads and tracks. The middle cover protects the printed circuit board (PCB).

Try to lift the cover by the edges and don't push anything too far inside, so as not to accidentally break or short-circuit anything on the circuit board.


How to disassemble ZTE Blade A520, Step 5/1 How to disassemble ZTE Blade A520, Step 5/2

Step 5. Disconnect the connectors

Disconnect the coaxial cable connector, inter-board cable connector.


How to disassemble ZTE Blade A520, Step 6/1 How to disassemble ZTE Blade A520, Step 6/2

Step 6. Remove the daughterboard

Pry at the bottom and unstick the vibration motor.

⚠️️ Be careful! The vibration motor is glued a bit with adhesive.

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, vibration motor, 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 ZTE Blade A520, Step 7/1 How to disassemble ZTE Blade A520, Step 7/2

Step 7. Remove the coaxial cable

Disconnect the connector on the motherboard and remove the coaxial cable.


How to disassemble ZTE Blade A520, Step 8/1 How to disassemble ZTE Blade A520, Step 8/2

Step 8. Unscrew one screw

Using a screwdriver (Phillips 1.5 mm PH #000), unscrew one screw securing the motherboard.


How to disassemble ZTE Blade A520, Step 9/1 How to disassemble ZTE Blade A520, Step 9/2 How to disassemble ZTE Blade A520, Step 9/3

Step 9. Disconnect the connectors

Disconnect the connectors for display module cable, side buttons cable, inter-board cable.


How to disassemble ZTE Blade A520, Step 10/1 How to disassemble ZTE Blade A520, Step 10/2

Step 10. 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 ZTE Blade A520, Step 11/1 How to disassemble ZTE Blade A520, Step 11/2 How to disassemble ZTE Blade A520, Step 11/3

Step 11. In the display frame remained

ℹ️️ In the display frame remained: the earpiece speaker.

Detailed disassembly instructions of ZTE Blade A520 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 10 minutes in time. Our manual is suitable for all models ZTE Blade A520 released for markets in different countries.



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