Use this guide to replace or upgrade the battery in your Droid Incredible.
Press your thumbnail into the slot between the rear panel and the front case located in the bottom of the phone.
Gently pry the rear panel up and away from the phone. You may need to slide your thumb up the crack to separate the rear panel from the front case.
Remove the rear panel from the phone.
Insert a fingertip into the gap between the battery and the rear inner frame, located between the battery and the speaker. Slide the battery away from the speaker, widening the gap.
Lift the top of the battery up and remove the battery from the rear inner frame.