Disassembly/Repair of the mobile device Xiaomi RedMi Note 1S 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.

There is an indentation at the end of the battery on the middle cover. Hook the battery at this point, lift it up and remove the battery.

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

Pry up the connectors and remove the coaxial cable.

Using a screwdriver (Philips 1.5 mm PH #000), unscrew the two screws securing the sub-board.

Do not forget to disconnect inter-board cable connector from the inside.

Remove the sub-board. It may be glued to the frame or attached with attachments like latches or hooks, so be careful.

ℹ️️ The sub-board contains a charging port (Micro-USB), microphone, spring contacts for the speaker, and an antenna unit.

⚠️️ 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 PH #000), unscrew the two screws securing the motherboard.

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

Pry up the connectors of the side buttons cable, display 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.

⚠️️ Do not forget to unstick the body of the vibration motor.

Turn over the motherboard. Disconnect the inter-board cable from the inside and remove the motherboard.

ℹ️️️ In the display frame remained: the earpiece speaker, coaxial cable.