Hi there,I recently purchased a P990 about 2 months ago on o2, and sundenly it has just started telling me that there is a "SIM card error, please contact card provider", i have phoned sony ericsson and tried to solve the problem, they told me to run an update, but still no luck. Can anyone give me any advice of what to do???

totally confused.
Please email me at
zyk82@hotmail.com
Thanks.