Disassembly/Repair of the mobile device Acer Liquid Z150 Z5 (Acer Liquid Z5 Duo) with each step description and the required set of tools.

Open the small plastic hatches on the sides and using a screwdriver (Philips 1.5 mm PH000), unscrew 2 screws securing the back cover.

Pry around the edges. Disconnect attached clips by moving the opening tool along the edge. Remove the back cover and side buttons keys.

Disconnect the battery connector as soon as possible.

Carefully remove the battery because it may be glued. Under the battery two flat cables. Try to avoid any lever movements at their location.

ℹ️️️️ The Acer Liquid Z150 Z5 model has a battery BAT-A10 (1|CP4/58/71) with 2000 mAh capacity (aka rechargeable battery).

Using a screwdriver (Philips 1.5 mm PH000), unscrew four screws.

Pry carefully and turn the loudspeaker over. Be careful, the loudspeaker is wired.

Disconnect the coaxial cable connector, inter-board sub-screen cable on the daughterboard.

Remove the sub-board. It is glued to the frame with metalized tape, so to facilitate the process, the sub-board can be heated a bit.

ℹ️️ The sub-board contains a charging port (Micro-USB), microphone, spring contacts for the speaker, an antenna unit. Also, to the sub-board are wired the vibration motor and loudspeaker

⚠️ 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 PH000), unscrew five screws securing the motherboard.

Pry up the connectors for the display, touchscreen, and sensors. Besides, need to release side buttons power and volume +/-.

⚠️️ 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.

Carefully turn over the printed circuit board. Be careful, some parts may be glued and two cables still connected to the circuit board. Disconnect the inter-board cable connector, coaxial cable connector and remove the motherboard.

⚠️️ 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.

ℹ️️ In the display frame remained: the earpiece speaker.