Start here
Battery life
Firmware updates
Information & news
Jailbreaking and OTA software updates
Options for unlocking the iPhone
Overview
Factory unlocked iPhone
Getting AT&T to unlock your iPhone
OS X Mountain Lion notes
Read me first
Step 1: Absinthe
iPhone 4S - 5.0, 5.0.1 firmware
iPhone 3G S / 4 / 4S - 5.1.1 firmware
Step 1: PwnageTool
Step 1: redsn0w
iPhone 3G S / 4 - 5.0.1 firmware - No unlock
iPhone 3G S / 4 - 5.0.1 firmware - Simulated unlock
iPhone 4S - 5.0 / 5.0.1 firmware - No unlock
iPhone 3G S / 4 / 4S - 5.1.1 firmware
Step 2: Okay I've jailbroken, now what?
Site updates
Hacking
Archiving & installing Cydia programs
Changing fonts
Converting png files
Creating a Cydia repository
Custom ringtones, system sounds and text tones
Decrypting 5.0 firmware
Downgrading iPad modem firmware
Downgrading / restoring older firmware
Installing Siri on other iPhones
Using your own proxy server
Without a proxy server (easy method)
OpenSSH
Vis USB
Via Wi-Fi (includes root and mobile password changing)
Secure erase
Tethering without a plan...
Themes with WinterBoard
USB file transfers / data recovery
Using alternate SIM cards
News feeds
Chronic Dev Team
Chronic Dev Team's Twitter
Chronic Dev Team's Wiki
Greenpois0n blog
p0sixninja's Twitter
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
You're at the landing page for all of the iOS 5 tutorials.
The iPhone 3G S, iPhone 4, and the iPhone 4 S are the only models capable of running iOS 5 firmware.