Ultrasn0w 1.0-1

Ultrasn0w is comptable for the following basebands:

iPhone 4

01.59.00

iPhone 3G/3GS

04.26.08

05.11.07

05.12.01

05.13.04

Better disable 3G before running Ultrasn0w

Which Folders to Backup Manually for iPhone

You may use SCP or iPhoneBrowser to copy folders

/var/mobile/Library/AddressBook - Contacts
/var/mobile/Library/Calendar - Your calendar
/var/mobile/Library/Notes - your notes database
/var/mobile/Library/Safari - your bookmarks and cookies
/var/mobile/Library/SMS - your text messages.