Warning: This command will irreversibly move the calendar entries to one calendar. Please back up the BlackBerry smartphone prior to doing this.
1. Open the Calendar application.
2. Press the menu key.
3. Choose Options.
4. Type MOVE on the keypad.
5. You will be asked to move all appointments in the base system calendar. Choose YES to accept moving all entries in the Device Default calendar to the default active calendar.
6. Perform a hard reset of the BlackBerry smartphone by taking the battery out while the BlackBerry smartphone is still powered on and placing it back in.
This operation will move all calendar entries existing on the Device Default calendar to the calendar selected as the default calendar (CICAL) shown in Options > Advanced Options > Default Services.