Disassembly/Repair of the mobile device Samsung Galaxy Tab A 8.0'' SM-T355 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.

⚠️ Look in advance in the picture for the cables’ location for inter-board, touchscreen, display, buttons (if any) under the cover to not damage them accidentally.

Disconnect the battery connector as soon as possible.

ℹ️️ The Samsung Galaxy Tab A SM-T355 model has a battery EB-BT355ABE with 4200 mAh capacity (aka rechargeable battery).

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

Also, try not to use a metal tool to disconnect the rechargeable battery connector or do it carefully.

Disconnect connectors and remove the coaxial cable.

⚠️ 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).

Using a screwdriver (Phillips 1.5 mm PH000), unscrew one screw on the small board.

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

ℹ️️ The board contains spring contacts for antennas.

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

Using a screwdriver (Phillips 1.5 mm PH000), unscrew 2 screws securing the headphone jack/socket.

Disconnect the connector and remove the loudspeaker and the headphone socket. Both are connected via a flat cable.

Using a screwdriver (Phillips 1.5 mm PH000), unscrew 4 screws.

Using a screwdriver (Phillips 1.5 mm PH000), unscrew one screw and remove the cover.

Disconnect the connector. Pry up the vibration motor and remove it. Usually, it is taped with adhesive.

Remove the connector protective sticker.

Pry up the connectors and remove the main camera, front (facing) camera, earpiece speaker.

Pry up the connectors of the display module cable, touchscreen 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.

In the display frame remained the battery.