Start here
Factory unlocked iPhone 4
Information & news
Read me first
Site updates
Step 1: Greenpois0n
AT&T - iPhone 4 4.1 firmware
AT&T - iPhone 3G S / 4 4.2.1 firmware (no unlock)
AT&T - iPhone 4 4.2.1 firmware (unlock)
Verizon - iPhone 4 4.2.6 firmware
Step 1: Jailbreakme.com
AT&T - iPhone 3G / 3GS
AT&T - iPhone 4
iPhone 3G S / iPhone 4 AT&T & Verizon
Step 1: Limera1n
AT&T - iPhone 4
Step 1: PwnageTool
AT&T - iPhone 3G / 3G S 4.0 firmware
AT&T - iPhone 3G / 3G S / 4 4.1 firmware
AT&T - iPhone 3G S 4.2.1 firmware
AT&T - iPhone 3G / 3G S/ 4 4.2.1 firmware & Verizon 4.2.6 firmware
AT&T - iPhone 3G S / 4 4.3.1 firmware
AT&T - iPhone 3G S / 4 4.3.2 firmware
AT&T - iPhone 3G S / 4 4.3.3 firmware
Step 1: redsn0w
AT&T - iPhone 3G 4.0 firmware
AT&T - iPhone 3G 4.0.1 firmware
AT&T - iPhone 3G 4.0.2 firmware
AT&T - iPhone 3G / 3G S 4.1 firmware (NO unlock!)
AT&T - iPhone 3G 4.2.1 firmware
AT&T - iPhone 3G S 4.2.1 firmware
AT&T - iPhone 4 4.2.1 firmware (jailbreak only)
AT&T - iPhone 4 4.2.1 firmware
Verizon - iPhone 4 4.2.8 firmware
AT&T - iPhone 3G S / 4 4.3.1 firmware (NO unlock!)
AT&T - iPhone 3G S / 4 4.3.2 firmware (NO unlock!)
AT&T - iPhone 3G S / 4 4.3.3 firmware (NO unlock!)
Step 2: Okay I've jailbroken, now what?
Hacking 1
A little bit of this, and a lot of that
Alternate SIMs for iPhone 4 (AT&T)
An introduction...
GoPhone
Simple Mobile
T-Mobile
Changing fonts
Converting .png files
Creating a Cydia repository
Custom ringtones / system sounds
Decrypting 4.0 firmware
Downgrade iPhone firmware
iPhone 3G
iPhone 3G S
iPhone 4
Hacker's flow charts
Installing & archiving Cydia programs through SSH
OpenSSH
Over USB
Over Wi-Fi
Hacking 2
Saving the ECID SHSH
Saving voicemail messages to your Mac
Tethering on AT&T (without a tethering plan)
Tethering on Verizon (without a tethering plan)
Theme your lockscreen
LockInfo theme
LockMS theme
LockMS Weather theme
SlantedLock theme
wĕdaPanel theme
Themes with DreamBoard
Themes with WinterBoard
Updating Cydia
Video game emulators
Introduction to emulators
Nintendo emulator installation
Miscellaneous
Data recovery
Editing ringtones
Firmware updates
Graphics locations
Links
News feeds
Chronic Dev Team
Chronic Dev Team's Twitter
Chronic Dev Team's Wiki
Hackint0sh forums
Howard Forums
iPhone Dev Team
iPhone Dev Team's Blog
iPhone Dev Team's Twitter
MuscleNerd's Twitter
Saurik's Twitter
MacRumors forums
ModMyi iPhone News
The Unofficial Apple Weblog
Rip your DVDs
Securely erase your iPhone
Technical information
Terminology
USB file transfers
You're at the landing page for all of the iOS 4 tutorials.
The iPhone 3G, iPhone 3G S, and the iPhone 4 are the only models capable of running iOS 4 firmware.