Disassembly/Repair of the mobile device HTC Desire 400 (HTC Desire 400 PM60120) with each step description and the required set of tools.

Open the back cover.

Lift and remove the battery.

Using a screwdriver (Phillips 1.5 mm PH000), unscrew 2 bolts and using a screwdriver (hex T5), unscrew the 4 bolts in the frame of the phone.

Pry and remove the middle frame.

The middle frame with buzzer (speaker).

Disconnect connector on the PCB and pry & remove the vibration motor.

Using a screwdriver (Phillips 1.5 mm PH000), unscrew 2 bolts in the PCB.

Disconnect connectors on the PCB.

Overturn the board, disconnect the connector from the inside and remove it.

Using a screwdriver (Phillips 1.5 mm PH000), unscrew 2 bolts in the lower PCB. Remove the microphone cover.

Disconnect connectors of the inter-board cable and of the coaxial cable from inside and remove the lower PCB.

Disconnect connector, unstick the label and inter-board cable.

⚠ Warning!

For careful separation, we recommend using a heat gun. At the same time, it is necessary to heat carefully in order, not to damage the surface of the device.

Parts in the frame of the display module.