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Appendix
Alert Tones
Your phone has the following Alert Tones, which are implemented as
default and can only be turned off by switching
Each of the Alert Tones can be distinguished from one another by their
different sounding beeps.
Error Key Alarm
Beeps once when you press an invalid key.
Low Battery Warning Tones
These are three quick beeps in a row, during a call or in standby mode to
warn you when the battery is low.
Low Signal Warning Tone
Beeps once to warn you during a call when the signal is weak and the call
might be dropped.
Troubleshooting
Problem
Unable to switch
on
The
appears
Calls not
possible
GB
56
Possible Causes
Empty battery
Defective battery
icon
Weak Signal
Outside GSM coverage
area
SIM not valid
Network access not
allowed
Dialling error
Call barring set
Another SIM inserted
All calls barred
to silent mode.
Possible Remedies
Charge the battery.
Replace the battery. Note that after
several years, gradual decline is
normal.
Move to an open space or nearer to a
window.
Check Operator coverage map.
Call your service provider.
Try manual network search.
Use full national area code. When
abroad, use also international access
code to reach home country.
Check outgoing call barring settings.
Check for new restrictions.
Check (Password is needed to clear).
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