I've been reluctant to jailbreak an iPhone since the release of the 3.0 firmware. When I made an attempt to jailbreak the iPhone 2G and 3G under the 3.0 firmware the results were less than desirable. I ended up with a jailbroken phone that could only run the applications that are built into the iPhone. I could freely copy applications onto and off of the iPhone but they would not run. Clicking on their icon resulted in the opening screen of the application breifly showing before returning to the homescreen. The phones were both jail broken and app broken. I left the iPhone 2G in this broken state and gave it to some one else that only wanted to use the device as a phone (the web browser and appstore are completly unused on the phone).
Having repeatly heard how easy the jailbreak for the iPhone 3G is with Blackra1n I finally started to feel brave and gave it a try. The result was a series of innocuous failures and wasted time. Each time I ran Blackra1n the iPhone would enter recovermode and never progress any further (note: in one attempt the picture from the Blackra1n website displayed, but that occurred only once and never progressed further). I mad emy attempts across Windows Vista, Windows 7, and OS X 10.6. On the windows machines I made attempts with the phone with airplane mode turned on and turned off. After the series of failures I restored the iPhone back to factory state (which took much longer than I expected) and tried again across the machines. the results were the same.
Having wasted several hours on attempts I'm giving up for now. If you've got any idea what I may have done wrong please make a suggestion on this video that I've uploaded of a failed attempt
http://www.youtube.com/watch?v=JYDWFux1abo
Update: In case you were curious here is my log file.
***
INFO: welcome to blackra1n for windows
INFO: loaded dll at C:\Program Files (x86)\Common Files\Apple\Mobile Device Support\bin\iTunesMobileDevice.dll
INFO: button clicked
INFO: internal device callback called
INFO: callbacks registered
INFO: sent enter recovery command
INFO: internal recovery callback called
INFO: unregistered normal mode callback
INFO: go go gadget ra1n
INFO: send command started
INFO: file opened
ioctl: 1
INFO: command setenv auto-boot true sent
INFO: send command started
INFO: file opened
ioctl: 0
INFO: command saveenv sent
send payload: 0
INFO: start sending exploit
ioctl: 0
INFO: exploit closed 0
sent exploit
INFO: send command started
INFO: file opened
ioctl: 0
INFO: command geohot sent
ERROR: usb open failed while sending payload
ERROR: usb open failed while sending payload
send picture: -1
INFO: send command started
INFO: file opened
ERROR: usb open failed while sending command
INFO: send command started
INFO: file opened
ERROR: usb open failed while sending command
ERROR: usb open failed while sending payload
ERROR: usb open failed while sending payload
send ramdisk: -1
INFO: send command started
INFO: file opened
ERROR: usb open failed while sending command
INFO: I JUST DROPPED IT LIKE ITS HOT
WARN: wtf who called this?
INFO: global callback finished
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