Just after a day of iOS 5 beta 1 launch we have seen that iOS 5 beta 1 is jailbreak-able like all recent iOS firmware’s. iPhone Dev Team has just confirmed on that day, they can jailbreak iOS 5 beta 1 but only tethered and amazing thing is jailbreaking of iOS 5 is on the limera1n exploit not on the i0n1c exploit. So the most popular tool “Redsn0w” by iPhone dev team just got an update, which brings the ability of jailbreaking iOS 5 beta 1 to it, the jailbreaking process of iOS 5 with Redsn0w is tethered based, means you have to connect your device with computer on every boot.
Here is some important information, which you need to know before going ahead. If you are one of those who relies on carrier unlock, then stay away from the Redsn0w or the default iOS 5 firmware because both will update your device baseband and in this case you have to lose your carrier. So, if you still want to go with it, follow the simple steps:
Step 1: First of all you have to download (Direct Link) iOS 5 beta 1 and iTunes 10.5, but both of them is only available for developers or for those who got their device UDID registered with any developer account.
Step 2: Launch the iTunes 10.5 on your mac, and restore or update your device to iOS 5 beta 1 using developers special iTunes 10.5.
Step 3: After updating or restoring your device to iOS 5, now download the latest Redsn0w 0.9.8b1 and launch it on your Mac, in this step it will ask you to point the downloaded iOS 5 stock firmware, just point out the firmware and go ahead.
Step 4: Now simply check the box of “Cydia” because at first hand, we are only jailbreaking the iOS and then go ahead.
Step 5: In this step, Redsn0w ask you to turn off your iPhone, so simply turn off your device, but don’t unplugged it from computer.
Step 6: In this step, Redsn0w will teach you, how to enter your iOS device into DFU mode, not recovery mode. Simply follow the onscreen instructions and enter your iOS device into DFU.
Press and hold both your “Home” and “Power” button for 10 seconds, then release the “Power” button, but leave the “Home” button pressed for 10 more seconds.
Step 7: That’s it, now leave your computer and allow Redsn0w to do its work, it will take few minutes. In this step Redsn0w 0.9.8b1 performs modification to iOS, after the completion of jailbreaking it will clearly throw you a message of that process is finished.