Backing up your contacts by exporting the home directory to the SDCard.
- Open Contacts
- Export to SDCard
Backup SMS on the SDCard using free application "SMS Backup and Restore
- Download on Android market
Reset the HTC
- Turn off the HTC
- Restart by pressing the side volume "minus" (A menu appears)
- Select ClearStorage via the same volume keys
- Confirm by pressing the "Power" button.