User guide

I cannot transfer content between my phone and the computer,
when using a USB cable
The software or the USB drivers have not been properly installed. Go to
www.sonymobile.com for more detailed installation instructions and troubleshooting
sections.
I cannot use Internet-based services
Make sure your subscription covers data downloads and that the Internet settings in your
phone are correct. See Internet and messaging settings on page 31 for more
information on how to enable data traffic, data roaming, and download Internet settings.
Contact your network operator for more information about your subscription settings.
Error messages
No network coverage
• Your phone is in Airplane mode. Make sure Airplane mode is turned off.
• Your phone is not receiving any network signal, or the received signal is too weak.
Contact your service provider and make sure that the network has coverage where you
are.
• The SIM card is not working properly. Insert your SIM card in another phone. If this
works, it is probably your phone that is causing the problem. In this case, contact the
nearest Sony service center.
Emergency calls only
You are within range of a network, but you are not allowed to use it. However, in an
emergency, some network operators allow you to call the international emergency
number 112. See Emergency calls on page 34 for more information.
SIM card locked
You have entered your PIN incorrectly 3 times in a row. To unlock the phone, you need
the PUK provided by your operator.
SIM card is PUK locked
You have entered your PUK (Personal Unblocking Key) incorrectly 10 times in a row.
Please contact your service provider.
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