How to upgrade to firmware 3.0.1 + Jailbreak + Unlock
Posted by Watson under Tips on Thursday Aug 6, 2009
If you have read the previous post on “iPhone 3.0 SMS Security Vulnerability” and looking for way to fix the problem, here’s the fix for you.
Apple has announced the fix for the SMS Security Vulnerability, it’s a new firmware, version 3.0.1.
So, we are going to redo the steps you did when you upgrade to firmwares 3.0 
Firstly, please make sure you have following files ready:
0) iTunes 8.2.1 (yes, Apple has new version of iTune recently.)
1.1) for iPhone 2G Firmware 3.0.1 – Click here to download
or download using iTune. (Warning! Big File 230MB.)
1.2) for iPhone 3G Firmware 3.0.1 – Click here to download
or download using iTune. (Warning! Big File 230MB.)
1.3) for iPhone 2G, Firmware 3.0 for 2G (please refer to previous post for link)
1.4) for iPhone 3G, Firmware 3.0 for 3G (please refer to previous post for link)
2) RedSn0w version 0.8 Jailbreak tool – Click here to download
3) Wireless Access for you to get UltraSn0w (if you don’t have wireless, there is another way. I’ll try post soon.)
OK! Now you should have all the requirements ready. Let’s do it!