The glass face should come off with a little coaxing from a pick.

Gently separate the white touch panel from the e-paper screen. These fall apart easily but are held together by two cables.

Use a spudger to detach the small cable from the white touch panel. This cable is for the microphone and vibration motor.

Use a spudger to detach the second cable. This cable is for the display. The second picture shows it already detached.