Disassembly/Repair of the mobile device Sony Xperia C3 (Sony Xperia C3 D2502 D2503 D2505) with each step description and the required set of tools.

Open the hatch hiding the tray of the SIM cards, and remove it.

Using a screwdriver Phillips 1.5 mm (PH#000), unscrew the eight screws.

Pry over the edges. Move an opening tool along the edge detach the clips and remove the cover with transmission lines and pads for antenna.

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 Sony Xperia C3 model has a battery LIS1546ERPC with 2500 mAh capacity (aka rechargeable battery).

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

Also, we need to remember or look in advance at the location of the flat cables under the battery, so as not to damage them.

Disconnect connectors on the motherboard and remove the main and front (selfie) cameras.

Pry up the connectors of the headphone jack port, inter-board 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.

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.

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

Pry over the edge and remove the loudspeaker assembly with antenna tracks (transmission lines).

Disconnect connectors of the inter-board cable, vibration motor on the small circuit board and remove it.

ℹ️️ In the display frame remained: the earpiece speaker, wide flat cable, microphone, vibration motor.