1. Remove back cover
Turn the back of your phone towards you. Take hold of the back cover and remove it.
2. Insert SIM
Place your SIM as illustrated next to the SIM holder.
Slide your SIM into the SIM holder.
3. Insert battery
Place the battery in your phone (bottom first), matching the battery contacts with the phone contacts, and press the battery into place.
4. Replace back cover
Place the back cover on your phone and press it into place.