Installation instruction is not included.This housing offers a personalized edge to your phone.  You can replace the original covers with a matching color or  add one that is designed to add some personal style.  We highly recommend our customers to seek for professional help before any DIY installation.  The installation instruction is NOT included with the purchase. Compatible to: BlackBerry Curve 3G 9300 Package includes: 1. Full Chassis x1 2. Buzzer x1 3. Earpiece x1 4. Audio Jack x1 5. Battery Connector x1 6. Top Button Membrane x3 7. Side Button Membrane x4 8. Free T5 Screwdriver x1 9. Free T6 Screwdriver x1 10. Free Housing Tool x1 *Components not on the list are not included.