updated to 3.1.2 iphone 3g 05.11.07 bb,
it was on 3.0.1 jailbroken unlocked and activated with 04,26,08 bb.
now after geting to the 3.1.2 fm, got it Jailbroken with blackra1n,
now here the tough thing, cant use my wifi, im connected but no internet on the DHCP adresse it starts with 169..., tried everything restore back to 3.0.1 or 3.1 gettind the error 1600,
tried to reset the network setting same prob,
used the ultrasnow with no wifi file nothing,
please i need help realy waiting for an answer with a procedure on Windows , by the way im using Windows 7,
thank you all.
You can always try to downgrade to 3.0.1 (you should get a 1600 error, ignore it) and re-jailbreak with redsn0w (using the 3.0 firmware). Once the phone is jailbroken, load blacksn0w from Cydia and you should be good to go. If the wifi gives out, reset your network settings.