Disassembly/Repair of the mobile device ZTE Nubia Z5 Mini (ZTE Nubia Z5 Mini NX402) with each step description and the required set of tools.

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.

Using a screwdriver hex T5, unscrew 8 screws.

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.

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

ℹ️ The Alcatel 1S (2019) 5024D model has a battery TLp030K7 with 3000 mAh capacity (aka rechargeable battery).

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

After that carefully pry the battery up to open.

⚠️ Be carefully! Under the battery is a lot of everything, and the battery may be glued a bit with adhesive tape, so be careful, try not to damage cables or connectors or else.

Disconnect the display and touchscreen cable connectors.

⚠️ 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).

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.

ℹ️ In the display frame remained:

Turn over the motherboard. Disconnect the connector and remove the front (selfie) camera.

Using a screwdriver Phillips 1.5 mm PH #000, unscrew two screws.

Pry up the connector and remove the cover with a microphone and earpece speaker contact pad.