Sometimes SIMs have a default lock. If that's what it is, then it may be 0000 as reported here:
http://forum.o2.co.uk/viewtopic.php?t=321
Non-O2 may vary, and this may not be the problem of course. Does it work without the SIM in it? Can you try?
Robert
On 22 Mar 2012, at 21:17, Deborah Mann <mann_debor...@sky.com> wrote:
> Hi All
> Can anyone help me please? My Ipad has locked after putting a new sim in it.
> I have gone from pay as you go to 3G monthly
> My Ipad is asking for a passcode but I don't recall making one and all my obvious one do not work
> Thanks
> Debbie
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