Perform a hard reset of the BlackBerry smartphone.

1) Remove the battery cover from the back of the BlackBerry smartphone.
2) Remove the battery, and then reinsert it after a few seconds.
3) Replace the battery cover.

If the Problem continues

Perform these Steps:-

Use the following steps to back up a BlackBerry device:

1. 1. Connect the BlackBerry device to the computer using a USB cable, and open the BlackBerry Desktop Manager.
2. 2. Ensure that the BlackBerry device is connected correctly. The word Connected should be displayed at the bottom of the BlackBerry Desktop Manager screen.
3. 3. Double-click on the Backup and Restore icon.
4. 4. In the Backup and Restore screen, click Backup.
5. 5. Choose a location where you wish to save your backup file.
6. 6. Give the backup file a new name or leave the default name in the File Name field.
7. 7. Click Save.
8. 8. The BlackBerry device has now been fully backed up.

To delete all data from the BlackBerry smartphone

1. 1. On the Home screen of the BlackBerry smartphone, click Options.
2. 2. click Security Options Then Select General Settings.
3. 3. Click Menu button then Select Wipe Handheld.
4. 4. you will get message click Continue.
5. 5. they Type Blackberry, Press Enter.

To Restore the Data to your Blackberry Handheld 1. Connect the BlackBerry device to the computer using a USB cable, and open the BlackBerry Desktop Manager. 2. Ensure that the BlackBerry device is connected correctly. The word Connected should be displayed at the bottom of the BlackBerry Desktop Manager screen. 3. Double-click on the Restore Tab. 4. Navigate to the backup file you want to restore to your BlackBerry smartphone. 5. Double-click the backup (.ipd) file. 6. Restore Process will start.