Disassembly/Repair of the mobile device Nokia 1.3 TA-1205 with each step description and the required set of tools.

⚠️ Before disassembling, do not forget to turn your phone off.

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.

Remove the battery.

⚠️ Try not to put metal tools between battery contacts and battery pins on the motherboard.

ℹ️️ The Nokia 1.3 TA-1205 model has a battery WT130 with 3000 mAh capacity (aka rechargeable battery).

Using a screwdriver (Phillips 1.5 mm PH000), unscrew 17 screws.

Open the covers with antennas, a small board, loudspeaker.

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 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, vibration motor, and an antenna unit.

⚠️ It is not necessary to insert the tool underneath when removing the sub-board. Internal components could be damaged.

Pry up the connectors, remove the rear and front (selfie) cameras.

Pry up the connectors of the display module cable, 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.

Carefully remove the printed circuit board. There is no need to use a lever or try to reach the board by force. Make sure that nothing is getting in the way or holding the board.

⚠️ 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, coaxial cable, and vibration motor.