The users guide was excellent. It provided the information neeeded to connect and control the Crate system. Nothing was left to chance
Text excerpt from page 26 (click to view)
s Changing the covers
Getting started
Before changing the cover, always switch off the power and disconnect the phone from the charger or any other device. Always store and use the phone with the covers attached. 1. Remove the back cover of the phone. With the back of the phone facing you, press the back cover release button and slide the cover off the phone. See Installing the SIM card and the battery on page 20. 2. Gently pull the phone off the front cover starting from the bottom of the phone (1).
3. Replace the key mat on the new front cover (2).