Sony Ericsson J100i User Manual
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Q: I have problems using SMS/Text
messages on my phone
A: Enter the correct SMS/Text message
settings.
If you have problems sending or receiving text messages on
your phone, some of your phone settings are probably incorrect.
The settings are different for different operators, contact your
network operator for the correct SMS service centre setting.
Error messages
Insert SIM card
There is no SIM card in the phone or you may have inserted
it incorrectly. Insert a SIM card
Invalid SIM card
This error message is shown in two cases:
• The phone only works with certain SIM cards. Insert the
correct SIM card.
• You entered your personal unblocking key code (PUK)
incorrectly 10 times in a row. Contact your operator.
To unblock
Emerg. only
You are within range of a network, but you are not allowed
to use it. Some network operators allow emergency calls to the
international emergency number 112
No service
There is no network within range or the received signal is too
weak. You have to move to get a signal that is strong enough.
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