As of the iOS Update 4.0.1, it is impossible to use the TIFF exploit found at www.jailbreakme.com, one of the only ways to JailBreak without a computer. And before you go asking if JailBreaking is illegal, the answer is a resounding NO!!! Congress passed a new DMCA exemption specifically making JailBreaking legal.
no... as far as i know you need a computer. -james
Suck my balls
using blackra1n.com
When you jailbreak an iPhone cydia is installed and Apple limitations are removed from iOS. A tethered jailbreak means you will have to connect to computer everytime you want to start your iPhone. While in untethered you do not need to connect to computer.
To jailbreak an ipod touch or an iphone, i recommend using blackra1n from blackra1n.com Have no fear when Jailbreaking because it is a soft mod, and can be restored using the restore button on itunes.
There is only reason for why an iPhone needs to be jailbreak. The reason for a iPhone to be jailbreak would be for using the phone for a different service.
It allows you to run Un-Offical Software on your iPhone using Cydia!
Using redsnow because jailbreakme.com does not work
This only works on iPod touch third generation, iPad,or iPhone and you have to have iOS 4. If you are using the second generation, you will have to jailbreak you iPod touch.
Yes, using Sn0wbreeze. Just a google search will take you to the site.
With RedSn0w there is the option (when jailbreaking) to add multitasking and a homescreen wallpaper.
The easiest way to jailbreak an iPod Touch is to use a software program. Depending on the firmware version of your iPod Touch, you may have to use tethered or untethered jailbreak methods to jailbreak your device.Note: Tethered jailbreak means you have to connect the device to a computer and jailbreak it manually every time you switch it on after switching it off or if it turns off due to the battery being drained completely. Untethered jailbreak means you only have to plug it into your computer once, jailbreak the device and afterwards you use it as per normal use, without having to plug it in and jailbreak again if it switches off.If you have installed the firmware 4.3.3 for your iPod Touch through iTunes, you can jailbreak your device using the untethered method using RedsnOw (a software program). Here are the steps:1) Download and update the firmware of your device to 4.3.3 using iTunes.2) Download and install the software. Start the program and point it to the location of the firmware update (iOS 4.3.3) file on your computer.3) Now select "Install Cydia" then click on "Next".4) Now make sure your device is switched off and plugged in to the computer. Only then click on "Next". Do listen to this piece of instruction for the sake of your device.5) You will now see a screen stating how to enter DFU mode on your device. The instructions are given clearly in the correct order on the screen. Follow them.6) Now let the software work its magic and when it's done, your device will restart automatically. You now have a jailbroken device!There are numerous other software programs available to help you jailbreak your device. However, you have to be wary as there are many fake software out there as well. There are many developers claiming to let you download the software for example, but in the end ruin your device instead. That's why it's always best to get yourself a software program that is guaranteed to work and has step by step instructions to help you.