Safe Mode; Troubleshooting - Samsung SGH-I747M User Manual

Safe Mode

You can boot your phone into Safe Mode if you wish to
troubleshoot whether or not added applications are causing
problems with the device. Safe mode will only load basic system
software.
Make sure your phone is turned off.
1.
Press and hold the power key (
2.
device.
After the animation starts to display, continually tap the
3.
key until the backlight turns on behind the bottom keys.
Press and hold the
4.
When the Home screen is displayed, Safe mode is displayed
in the lower left corner of the screen.

Troubleshooting

If your device has fatal errors, hangs up, or freezes, you may need
to reset the device to regain functionality.
If your device is frozen and unresponsive, press and hold
the Power/Lock Key for 8 to 10 seconds.
For more information, refer to "Android System Recovery" on
page 9.
10
) to boot up your
key.