Use a SIM eject tool, SIM eject bit, or a bent paper clip to gently push the pin outwards from within the case.

Be sure to do this in a clean and brightly lit work area. The pins are very small and are easily lost.

Repeat the process for the remaining pins.

To reinstall the pins, align them with the holes on the outside of the display assembly and them push inwards.

The pins have a tapered end and will install in only one direction.