How to start a BlackBerry smartphone in safe mode – When starting the BlackBerry smartphone, safe mode can be used to prevent third-party applications from running automatically. Safe mode is designed to allow troubleshooting or remove any unwanted applications.
To turn on safe mode, complete the following steps:
1. Remove and reinsert the BlackBerry smartphone battery.
2. When the red light-emitting diode (LED) light goes out, press and hold the Escape key as the BlackBerry smartphone is loading. See KB05470 for the location of the Escape key.
3. When the dialog box appears, click OK.
Safe mode is indicated by a safe mode indicator in the BlackBerry smartphone status section of the Home screen.
To turn off safe mode, remove and reinsert the BlackBerry smartphone battery.