Has anyone a solution for this?
I Jailbroke it and worked perfectly for a few days...
Then i had a problem with missed calls.It couldnt show that someone is calling until he hangs up....Yesterday (i noticed that yesterday) the final hit.NO WIFI...GRAYED and not selectable...Restore didnt work...
Anyone?

Are you using any *sim adapters? If not, and restore didnt work, get it back and take a new one. ^^

Its factory unlocked from Vodafone Greece and i am using the vodafone sim that came with it...I just jailbroke it...Restore and replacement is the only solution i guess...

looks like no wi-fi is still following us...
better replace ur phone...in warranty!

you are not the only one...

I'm trying to fix my friends 3G iPhone... After a restore to 2.1 WiFi and Blouetooth are grayed.

Hope somebody can help with some ideas? Maybe DevTeam makes some SWIFI for 3G?

I'm trying restoring and restoring, hoping it will come back...

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Petar
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iPhone Panama
iPhone Srbija
iSrbija.net
iPhone Hrvatska

First restore to Apple firmware 2.1. Put the iPhone into DFU mode then restore in iTunes 8. Cause your iPhone is factory unlocked that should work. Check if there is still no wifi - if so: replace it

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iPhone 3GS factory unlocked (3.1.2; Blackra1n, Cydia, OpenSSH, custom 3.0 ipcc file (no sig), tethering hack by Dev team, 32 GB)
iPhone 3G (3.0.1; Redsn0w 0.8, Cydia, OpenSSH) 16 GB

No Wi-Fi (greyed out) seems to be a hardware problem. Quickpwn did not touch your baseband and there is NO reason for the wi-fi not to work. Also because it was not the result of the jailbreak process but started out of nowhere.
I had the same problem with my 2G phone. After trying all the possible solution , I ended up changing the comm-board and .............. voila', problem solved.
Your phone is under warranty , have Apple fix it !!!
P/

Apple will not fix it if he took phone outside Greece.
And in Greece they likely refuse also if they find evidence of jailbreaking

its impossible to tell that he jailbroke it all he has to do is dfu restore to latest firmware and its clean he will easily get it replaced

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iphone 1.1.1 otb pwned 2.1 custom gears of war logo
intel based imac 2.0 ghz 250 gb HD
macbook 2.4 ghz 160gb HD w/ superdrive
give me a thumbs up if i help

does not iphone record every firmware flash and whether it was original ?
itunes 8.0 can tell if firmware was tampered so i do not see why iphone would not do same and keep somewhere history of flashes