Backup your third application on blackberry with BBSAK (recommended). Third application like Curve Slider, Trillian Chat, Themes, Meter Berry etc.
Below step by step to make your backup.
- Connnet your blackberry to computer use usb cable
- Open BBSAK which you have downloaded, if you don't have, please download here
- In BBSAK, click Backup Apps, and wait until proccess backup finished.