Disassembly/Repair of the mobile device Xiaomi RedMi Note 2 Prime (Xiaomi RedMi Note 2 Prime 2015712) with each step description and the required set of tools.

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.

ℹ️️ The Xiaomi RedMi Note 2 Prime model has a battery BM45 with 3060 mAh capacity (aka rechargeable 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 detaching 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.

Disconnect the coaxial cable connector, inter-board cable connector.

⚠️️ 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 (Philips 1.5 mm PH #000), unscrew the three screws securing the sub-board.

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.

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

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

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

ℹ️️ In the display frame remained: the earpiece speaker, battery, coaxial cable, and vibration motor.