If none of the other suggestions work and you want to try to avoid a trip to the store, hard reset your phone with the keys.
Please note that all data will be deleted from the HTC EVO 4G as a result of this procedure. This process does NOT delete data stored on the microSD card.
If you selected YES, all data including third-party applications and personal info will be deleted from the HTC EVO 4G. Once the wipe is complete, the phone will reboot to its factory fresh state.
Help prevent distracted driving. Get Sprint Drive First FREE at the Google Play Store.