How to activate iPhone OS 4.0 Beta without UDID Registration

This Guide works ONLY with the iPhone 3G due to the limitations of the redsn0w jailbreak!
Have you been trying almost everything to get the iPhone OS 4.0 Beta to work like I did and asked yourself why all the „guides“ don`t work? They just coudn`t work because they were all fakes. You can NOT run a customized .ipsw file on a non-jailbroken device!
Today the iPhone dev team released the new redsn0w Beta Jailbreak for the iPhone 4.0 Beta. It jailbreaks your device but there`s no hacktivation included, what means that the UDID registration is still needed to activate your device!

I figured out a way to combine the „fake“ guides to a single one that WORKS! :-)
I will not take any responsability for broken devices, this is just for experimental purpose!


Guide:

1. Download a copy of the iPhone OS 4.0 Beta (google)


2. Install this Version with iTunes on your device (Press alt while clicking on the restorebutton in iTunes and choose the iPhone 4.0 .ipsw file manually)


3. Download the redsn0w 0.9.5 BETA2 from here: redsn0w 0.9.5 Beta2


4. Run redsn0w and follow the on screen instructions.


5. Wait till the device reboots and wants to activate with iTunes


6. Download iPhone Explorer from here: iPhone Explorer 1.1.8.3


7. Open iPhone Explorer and navigate to System/Library/CoreServices






8. Copy SystemVersion.plist to your desktop by dragging it out of the window


9. Open the file with Textedit and delete the following lines:


10. 
    
    
    
    
    
    
    
    
    


11. Save the file and drag it back into iPhone Explorer, choose „overwrite“


12. Wait a few seconds and restart your iPhone.

That`s it, worked fine for me. You can restore your iPhone with your saved 3.x backups. To backup from 4.0 with iTunes you need to install the latest iPhone OS 4.0 SDK (google).

Watch the video in which iH8sn0w demonstrates how to do that:

Note: We’re not responsible for any damage to your iPhone, iPod Touch by trying the above tutorial. Please try it on your own risk!

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