Power off and remove SIM card tray.

Heat up the back cover to soften the adhesive.

Place the suction cup to open a gap from top side, then insert guitar picks and slide it to cut the adhesive underneath.

Remove back cover.

Twist off 10 Phillips screws all.

Loosen NFC clip and flashlight clip.

Remove the plastic bracket.

Pry up and remove back frame.

Remove front camera.

Remove earpiece.

Remove rear camera.

Remove loudspeaker.

Release charging port connector.

Remove plastic protective bar.

Pry up motherboard assembly from this side. There are three flex connectors connecting the motherboard underneath. So pry up the motherboard assembly gently.

The motherboard may be attached to the case by a sticky pad near the charging connector. This can be dislodged by very carefully rotating the motherboard side to side, checking that the flex connectors aren't being stretched.

Push audio jack out of the slot, no adhesive underneath.

Release LCD flex connector and main flex connector by flipping up the white locking tab of the connector base.

Separate motherboard assembly from middle housing.

Remove audio jack flex by flipping up the white locking tab of the connector base.

Remove flashlight flex by flipping up the white locking tab of the connector base.

Remove microphone flex by flipping up the white locking tab of the connector base.

Take away NFC antenna on battery.

Release battery connector and pull off adhesive tapes underneath.

Pry up and remove battery.

Here is the motherboard only.

Remove charging port flex.

Loosen adhesive underneath vibration motor.

Loosen side button assembly. There is fingerprint scanner here, be careful.

Loosen noise canceling microphone.

Loosen all adhesive underneath side button flex assembly.

Here is side button flex assembly. It’s integrated by vibration motor, side button connector, fingerprint scanner connector and noise-canceling mic.

The sticker underneath LCD assembly is a little bit strong, so use heat gun to soften it for a few minutes.

Remove LCD with digitizer assembly carefully.

Done.