Question about Sony Cell Phones
First of all, try cleaning the SIM contacts and using a different SIM - one cause of that message is excessive retries when reading the SIM data.
If it's not that, then try doing a firmware update on the phone - the easiest way of doing this is to use the SE update service - you just need the standard USB cable (DCU-60) that comes with the phone - but note that doing this will erase all the information you have on your phone, so back it up first.
The update service applicaiton can be downloaded here:
Posted on Jul 02, 2009
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Posted on Jan 02, 2017
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