Developer options can cause a red border on the screen, errors when connecting to computers, or other problems. Steps to turn on Developer options are not provided, but if turned on they can be turned off. Use these steps to turn off developer options on the BlackBerry Classic.
Turn off Developer Options
- From any Home screen, swipe down from the top of the screen.
- Tap Settings > Security and Privacy > Development Mode.
- Tap the Development Mode switch to turn on or off.