Maintenance & Safety 49
© 2011 NGM Italia
upgrade of the software. Please backup your important phone numbers. (Ring tones, text
messages, voice messages, picture, and videos could also be deleted.) The manufacturer is not
liable for damage due to the loss of data.
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Do not turn your phone on or off when the device is close to your ear.
10.4 Troubleshooting
Troubleshooting
Problems Possible Causes
Unable to switch on
1. Does the battery have enough electrical power?
2. Is the battery placed correctly?
SIM failure
1. The SIM card is dirty. Clean it.
2. Reinstall the SIM card.
3. The SIM card is damaged. Replace it.
Poor signal
Check the signal strength icon on the screen. If the icon
contains 4 bars, the signal is at its strongest; if it is below 1 bars,
the signal is very poor.
Unable to dial out
1. Maybe you have set Hide My Caller ID but your network
operator does not provide this service for you.
2. There are lots of interference sources in your
neighborhood.
3. Maybe you have activated the call restriction function.
Unable to charge the battery
1. The battery may be over-discharged; so it requires a
longer charging period than normal.
2. Its performance has got worse; it is necessary to replace
the battery.
Unable to register to the network
1. Too weak signals or strong interferences.
2. SIM card not properly installed. Bad contact or SIM card
damaged. If the SIM card is broken, please contact the
network operator to replace it.
Photos taken are too dark
1. Brightness is set too low.
2. Ambient light is poor.
Photos taken are unclear
1. Check if your subject is moving too fast.
2. Maybe the phone slightly moved while the shutter was
open.
Photos taken are distorted The subject may be too close for the camera lens.
The picture selected as wallpaper is
only partially visible
The size of the photo is probably too large. The recommended
size is 220x176.