Help with jailbreaking and Cydia for iPhones, iPads, and iPod touches.

evasi0n7 can jailbreak iOS 7.0-7.0.6 untethered. p0sixspwn can jailbreak iOS 6.1.3-6.1.5 untethered (see here for 6.1.6).
How to jailbreak iOS 7.0-7.0.6 (and fix problems). iOS 7.1 is not jailbreakable, except an unsupported tethered iPhone 4 jailbreak.
Restoring or updating will update your device to iOS 7.1 and remove your jailbreak. There is no way to downgrade from iOS 7.1 to 7.0.x.

Before asking a question, check Frequently Asked Questions to find quick answers!
If you'd like to chat, you can join us here ( #JailbreakQA). Chat rules.

I'm currently running jailbroken and unlocked iOS 4.0.1 on my 3GS. I have BB 05.13.04 and bootrom 359.3.2. When I upgrade to 4.2.1 will I be able to jailbreak and unlock my device?

asked 13 Feb '11, 04:18

rian0020's gravatar image


enter pwned DFU mode using either iReb or Redsnow, then use iTunes to restore the custom 3GS firmware found in the below link:

Please make sure you use the firmware in the megaupload link above in order to maintain your current baseband, after that you will be on 4.2.1 but still with your olf baseband.

Now you can run GP to jailbreak and then install Ultrasn0w to unlock.


answered 13 Feb '11, 04:45

knightz4u's gravatar image

knightz4u ♦

Yes, you will be able to jailbreak and unlock but you have to make a custom ipsw that keeps your baseband for the 4.2.1 framework, and install that one on your phone, and not the official one, if you do install the official one by mistake you'll not be able to go back to your baseband.

Here is a tutorial on how to do it:

After following the tutorial run the latest greenpois0n for jailbreaking.


answered 13 Feb '11, 16:05

rodrigoq's gravatar image


Your answer: (please use the "add new comment" button unless you are actually answering the original question)
toggle preview

Markdown Basics

  • *italic* or _italic_
  • **bold** or __bold__
  • link:[text]( "Title")
  • image?![alt text](/path/img.jpg "Title")
  • numbered list: 1. Foo 2. Bar
  • to add a line break simply add two spaces to where you would like the new line to be.
  • basic HTML tags are also supported



Asked: 13 Feb '11, 04:18

Seen: 2,940 times

Last updated: 13 Feb '11, 16:05

JailbreakQA is by chpwn and comex.
About JailbreakQA. Powered by OSQA.