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Просмотр инструкции сотового gsm, смартфона Siemens U15, страница 162
161
Troubleshooting
I cannot make/
answer calls.
Make sure that you have a phone
signal (see the “Signal Strength
Indicator” item on page 22). Avoid
electrical or radio interference, and
obstructions such as bridges, parking
garages, or tall buildings.
Your phone also may have the
Call Barring
feature turned on. If you
know the unlock code, you can
change this setting in the security
menu
(M >
Settings
>
Security
).Also,
check to be sure your SIM card is
installed and working.
My phone has
poor reception
and drops calls.
Make sure you have a phone signal
(see the “Signal Strength Indicator”
item on page 22). Stay clear of any
obstructions such as bridges, parking
garages, or tall buildings.
The display
says:
Data Calls
Only
.
You are in an area where the network
does not support voice calls. You can
only make data calls until you move
to another network.
I cannot hear
others on my
phone.
While on a call, press the volume key
on the left side of your phone. Your
phone display should show the
volume increasing.
Also, make sure that your phone’s
earpiece is not blocked by its carrying
case.
I cannot open my
inbox.
Before you can use text messages,
you must set up the appropriate
inbox. See page 69.
Problem Solution
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