3.1.3 stuck on emergency slide

[Jaiduh]

I have ATT Iphone 3gs 3.1.3 newboot. phone display no sim card.. after software upgrade... i'm restored several times.. cant activate the phone... got replacement sim, tried other sims no luck.. please let me know if you can give some advice would be nice.

[DeL1873]

why did you upgrade 3.1.3 is not unlockable at the moment you can jailbreak 3.1.3 if you have the old bootrom