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- Start here
- Alternate SIMs for iPhone 4
- Downgrade iPhone 3G/3G S firmware
- Downgrade iPhone 4 firmware
- GoPhone iPhone 4
- Hacker's flow chart
- Information & news
- Read me first
- Repair services
- Site updates
- Step 1: Jailbreaking / unlocking the 3G / 3GS iPhone (Jailbreakme.com)
- Step 1: Jailbreaking / unlocking the 3G / 3GS iPhone (PwnageTool)
- Step 1: Jailbreaking / unlocking the 3G iPhone (redsn0w)
- Step 1: Jailbreaking / unlocking the iPhone 4
- Step 2: Okay I've jailbroken, now what?
- T-Mobile iPhone 4 (U.S.A.)
- Hacking
- A little bit of this, and a lot of that
- Changing fonts
- Converting .png files
- Creating a Cydia repository
- Custom ringtones / system sounds
- Decrypting 4.0 firmware
- Installing & archiving Cydia programs through SSH
- OpenSSH
- Saving the ECID SHSH
- Saving voicemail messages to your Mac
- Tethering on AT&T (without a tethering plan)
- Theme your lockscreen
- Themes with WinterBoard
- Video game emulators
- Miscellaneous
- 1.x firmware tutorials - loads a new navigation bar
- 2.x firmware tutorials - loads a new navigation bar
- 3.x firmware tutorials - loads a new navigation bar
- About me
- Data recovery
- Contribute!
- Editing ringtones
- Firmware updates
- Graphics locations
- How to determine your firmware version
- Links
- Rip your DVDs
- Securely erase your iPhone
- Technical information
- Terminology
- USB file transfers
- News feeds
- Donate! Click here to help this site survive.
Downgrade 4.0 firmware to 3.1.3 firmware
So you installed 4.0 on your iPhone and you aren't happy with it? You can safely downgrade. I have two tutorials to help.
Downgrade instructions for the 3G iPhone.
Downgrade instructions for the 3G S iPhone.
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