Teardown difficulty:
Easy
Duration:
14 min

Recommended tools

Disassembly/Repair of the mobile device ZTE Blade V7 with each step description and the required set of tools.


Specialist in content creation, distribution and content management.


How to disassemble ZTE Blade V7, Step 1/1 How to disassemble ZTE Blade V7, Step 1/2

Step 1. 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.


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Step 2. Unscrew the screws

Using a screwdriver (precision star-shaped 0.8 mm aka Pentalobe), unscrew/drive 2 screws out at the end of the phone.


How to disassemble ZTE Blade V7, Step 3/1 How to disassemble ZTE Blade V7, Step 3/2

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.


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Step 4. Remove the protective film

Carefully peel back the protective film.


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Step 5. Remove the bracket

Using a screwdriver (Phillips 1.5 mm PH #000), unscrew one screw and remove the bracket holding the connectors.


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Step 6. Remove the battery

Disconnect the battery connector as soon as possible. It is better to use a non-metal or plastic tool to avoid any damage.

ℹ️️ The ZTE Blade V7 model has a battery Li3925T44P8h786035 with 2540 mAh capacity (aka rechargeable battery).

⚠️️ It is highly recommended to disconnect the connector to avoid possible short circuits during disassembly.

With extreme care, remove the battery because it is glued from the inside by the manufacturer.


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Step 7. Unscrew the screws

Using a screwdriver (Philips 1.5 mm PH #000), unscrew the three screws.


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Step 8. Remove the loudspeaker

Pry over the edge and remove the loudspeaker assembly with antennas.


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Step 9. Unscrew one screw

Using a screwdriver (Philips 1.5 mm PH #000), unscrew one screw securing the sub-board.


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Step 10. 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 ZTE Blade V7, Step 11/1 How to disassemble ZTE Blade V7, Step 11/2

Step 11. Remove the daughterboard

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, 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.


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Step 12. Remove the bracket

Using a screwdriver (Philips 1.5 mm PH #000), unscrew one screw and remove the bracket securing the connector of the side buttons.


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Step 13. Disconnect the connectors

Pry up the connector of the side buttons cable, display cable, touchscreen 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 ZTE Blade V7, Step 14/1 How to disassemble ZTE Blade V7, Step 14/2

Step 14. Unscrew the screws

Using a screwdriver (Philips 1.5 mm PH #000), unscrew the two screws.


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Step 15. Open the cover

Pry over the edge and remove the upper cover with antenna tracks.


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Step 16. Remove the front camera

Disconnect the connector on the motherboard, and remove the front (selfie) camera.


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Step 17. Remove the motherboard

Turn over the motherboard, disconnect the connector from the inside and 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.


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Step 18. Remove the earpiece speaker

Pry at the bottom and remove the earpiece speaker.

⚠️️ Be careful! The earpiece speaker is glued a bit with adhesive.

⚠️️ If we pry the speaker in the middle we may break the earpiece speaker in half.

Also, we detach the coaxial cable.


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Step 19. In the display frame remained

ℹ️️ In the display frame remained:

Detailed disassembly instructions of ZTE Blade V7 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 14 minutes in time. Our manual is suitable for all models ZTE Blade V7 released for markets in different countries.



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