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Troubleshooting
Here are a few things you can try before contacting the service
center.
Your device displays network or service error messages.
You may lose reception when you are in areas with weak signals or
poor reception. Move to another location and try again.
Your device does not turn ON.
When the battery is completely discharged, your device will not
turn ON. Charge the battery fully before turning on the device.
The touchscreen responds slowly or improperly.
• If you attach a screen protector or optional accessories to
the touchscreen, it may not function properly.
• If you are wearing gloves, your hands are not clean while
touching the touchscreen, or if you tap the screen with sharp
objects or your ngertips, the touchscreen may malfunction.
• The touchscreen may malfunction in humid conditions or
when exposed to water.
• Restart your device to clear any temporary software bugs.
• Ensure that your device software is updated to the latest
version.
Your device freezes or encounters a fatal error.
1. Restarting the device
• If your device freezes or hangs, you may need to close
apps or turn OFF the device and turn it ON again.
2. Forcing restart
• Press and hold the Power/Lock key to restart your
device if it is frozen.
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