hey all... tried to jailbreak my phone so i can try to do some tethering and such. and i have had a bit of experience unlocking iphones, so it isn't too new for me. but when i did the jailbreak this time, going through the proper channels, it shows only one bar and no carrier name, like how it was on the first gen iphone when the sim card wasn't working. i tried a network settings reset, i haven't restored to the back up, i've rebooted the phone... took out the sim card and put it back in and i'm outta ideas.

any to help me troubleshoot this?

Jesse T.

edit: went to restore it to factory settings, so i could use my phone. and at first the sim card was reading rogers (from canada) then after i rebooted it from there it went back to fido (which is my actual carrier). so i'm even more baffled as to what is going on.

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MacBook Core 2 Duo 2.16 GHz 2 Gigs of RAM 250 GB HD
Leopard 10.5.5
iTunes 8.0.2
iPod Classic 80GB
PWNED 1st Gen iPhone 8 GB OTB 1.1.2-->1.1.3-->1.1.4-->2.0
iPhone 3G 16 GB 2.2

try yellowsn0w. it worked for me.

I'm having this same issue. Did the auto mode (not export), and created my custom .ipsw file. After I used it in iTunes to restore, it came up but only 1 bar and no carrier (shows "(null)(null)"). Any idea what went wrong? Tried restoring the custom .ipsw file again but it didn't help.

try the link in my signature on how to unlock the iphone 3g

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• iPhone 3G: 16GB Black Yellowsn0wed.
• Model: MB496LA/A
• SMS IN/OUT: YES/YES
• 3G/Edge: YES/YES
• Calls IN/OUT: YES/YES
• Carrier: TIGO

How to Unlock the iPhone 3G
Solve Low signal on iPhone 2G - May help with greyed out WiFi issue.
if post helped...rep up please. ... thanks