The Dev-Team has posted a reminder for users who have jailbroken and/or unlocked their iPhone.
If you update to Apple’s new software using the normal iTunes process, you will lose your ultrasn0w unlock. In fact you may lose it permanently, because for most people the baseband firmware cannot be reverted to a previous version (unlike the main application CPU firmware).
It will be better for iPhone users who have Jailbroken their iPhone, not to rush in downloading the new 3.1 …

This time Jailbreaking your iPhone 3GS is much easier and need no hacker know hows and all credit goes to our very own George Hotz famous as Geohot. The tool from Geohot is named Purplera1n and good thing about this one is that you can do entire process fast and easy without too much technical knowledge.Geohot was the original iPhone jailbreaker which he did as a 17-year old and now debuting Purplera1n on 3rd July he has already updated …