1. Turn off your phone.
2. Remove cell phone battery
3. Before removing the adhesive backing from the antenna booster, decide where you are going to place the antenna.
Be sure not to cover the battery or phone copper contacts and make sure that the "Up-Side" portion of the antenna is pointing towards the antenna on your phone.
4. Remove backing from the self-adhesive backing and attach it to the phone or battery
Note: the antenna booster goes between the battery and the phone
the battery and turn your cell phone