Troubleshooting – Samsung SGH-I257ZKAATT User Manual
Page 22
Locking the Device Manually
� Press the
Power/Lock Key.
Unlocking the Device
1. Press the
Power/Lock Key.
2. Swipe across the screen as shown.
Note: You can customize the Lock screen and set the type of
Screen Unlock you want to use (Face unlock, Face and
voice, Pattern, PIN, or Password). For more information,
refer to “Lock Screen Options” on page 156.
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.
15
This manual is related to the following products:
See also other documents in the category Samsung Mobile Phones:
- Galaxy 3 (128 pages)
- intensity 2 (193 pages)
- Gusto (152 pages)
- E1125 (2 pages)
- C3110 (2 pages)
- SGH-D780 (49 pages)
- SGH-S200 (80 pages)
- SGH-C100 (82 pages)
- SGH-C100 (80 pages)
- E1100T (2 pages)
- SGH-X100 (2 pages)
- SGH-M600 (7 pages)
- SGH-C110 (152 pages)
- B2700 (63 pages)
- C5212 (57 pages)
- SGH-i750 (26 pages)
- SGH-X640 (73 pages)
- SGH-I900C (110 pages)
- E600 (97 pages)
- SGH-M610 (49 pages)
- SGH-E820N (102 pages)
- SGH-X400 (83 pages)
- SGH-E400 (79 pages)
- E2100 (2 pages)
- SGH-X520 (2 pages)
- SCH N391 (75 pages)
- SPH i700 (186 pages)
- SCH-A302 (49 pages)
- A930 (216 pages)
- SCH-A212 (63 pages)
- A790 (226 pages)
- SCH i830 (224 pages)
- 540 (41 pages)
- SCH-A101 (40 pages)
- SPH-A920WSSXAR (272 pages)
- SPH-A840BKSXAR (273 pages)
- SPH A740 (150 pages)
- SCH-X969 (54 pages)
- SCH-2500 (57 pages)
- SPH-N105 (62 pages)
- SCH-470 (46 pages)
- SPH-N300 (167 pages)
- SCH-T300 (180 pages)
- SGH-200 (43 pages)
- GT-C3050 (2 pages)