5. Press the bottom corner of the back cover against the bottom corner of your phone. The edgewith the keys goes first.6. Press the back of the cover until it snaps into place. Don't press the keys while attaching the cover.Remove the SIM and memory cardGot a new SIM or memory card? Learn how to remove the previous card from your phone.Make sure your phone is switched off.1. At the top corner of your phone, put the nail of your index finger in the seam between the screenframe and the back cover. Press the middle of the back cover, and bend the cover to loosen the tophooks. Remove the back cover.© 2014 Microsoft Mobile. All rights reserved. 10