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

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.

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

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.

Carefully peel back the protective film.

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

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.

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

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

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

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).

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.

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

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.

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

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

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

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.

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.

ℹ️️ In the display frame remained: