Reminder: You Can No Longer Save SHSH Blobs Or Downgrade On The Official iOS 5 Firmware

Ok I’m not the most techi guy here but let me see if I get this… I’m on 4.3.3 and if I update to 5.0 and for some reason I want to downgrade I won’t be able to?

Would you be able to downgrade from 5.1 to 4.3.3? And then upgrade to 5.0?

Alright here is the break down:

1) – At this time f you have saved SHSH blobs on any of the iOS 4 firmwares (iOS 4.0 – iOS 4.3.5) and upgrade to the iOS 5 firmware. YOU WILL be able to downgrade back to those iOS 4 firmwares that you have saved your blobs on.

2) – This is only confirmed for the latest version of iTunes (October 12th, 2011). It is possible for Apple to roll out an update to make what I wrote in section 1 invalid.

3) – You will not be able to downgrade to different iOS 5 firmware files. PERIOD. So, say for example Apple releases iOS 5.1 tomorrow which makes Jailbreaking IMPOSSIBLE and you accidentally upgrade to iOS 5.1. You WILL NOT be able to downgrade back to iOS 5. Your only option would be what I wrote in section 1 as long as it doesn’t conflict with with what I wrote in section 2.

In short: Apple has essentially killed downgrading. So BE CAREFUL

is there still any hope for a 4.3.5 untethered jailbreak?

Of course not. If you don’t have SHSH to the 5.0, how can you upgrade from 4.3.3 to 5.0 with 5.1 released? Without SHSH you always need to upgrade to the last version, I think so

So imagine this situation. You’re in 4.3.3, last release is 5.0. You CAN’T update to 4.3.5 without the SHSH. It’s exactly the same 

HI Jaden, I wonder if I could impose upon you for a step by step downgrade from iOS 5 to 4.33 or 4.35. I inadvertently installed the new iOS without pre-making my IPSW custom file that would preserve my (4.10.1) previous baseband which is now (4.11.8).  I had previously jailbreak untethered and use a Gevey ultra which all worked great.  I had previously saved my SHSH blobs both using Tiny Umbrella and using iSHSH (I emailed them to myself attached to iOS 4.33). I have tried the TU umbrella fix, even though I can get the TSS server to start and I can see my previous SHSH blobs are preserved. When I go to downgrade using either 4.35 or 4.33 IPSW files I get a variety of error codes (20, 11, 1604 etc etc). How can I get back to my old baseband of 4.10.1 using my emailed SHSH blobs. I have searched everywhere on the internet and can’t find an appropriate tutorial.  I know the window is closing for the reasons you suggested, so I need to act fast to get back to where I am.  I swear I will never do last minute late night upgrades again!!!!! Regards JP

whell this is not all true as of now you can save shsh blobs of ios 5 but as soon as ios 5.1 comes out and if u possibly upgrade you can restore back to ios 5

I just bought my Iphone 4 with iOS 5 on it and i couldn’t save shsh but does it mean that i never can’t jailbreak? :O

Not only have Apple killed downgrading, they’ve killed our ability to restore our current OS once they close their signing window.  Rather unpleasant tactics.

I’m currently on a jailbroken 4.3.3 with an iPhone 4.  If I have a blob saved for 5.0 will I be able to upgrade to 5.0 after 5.01 is released?

same question for me. 

I have an ipad 2 4.3.3 jailbraken. I have iOS 5.0 SHSH saved. 
If apple release iOS 5.01 , will I be able to upgrade to iOS 5.0  ? 

I want to know if i need to update it to iOs 5, to be able to jailbreak it with Richard Miler flaw. !

There is currently no jailbreak for iOS 5.0 on iPad 2, and it is impossible to update to 5.0 from 4.3.3 since iOS 5.0.1 has been released. If you still want it jailbroken, I wouldn’t recommend updating right now.

 No solution at the moment.  You missed it.

i can still click erase all contents an settings on iphone a do fresh install on of iOS 5 lol

You can only restore to iOS 4.x (with SHSH blobs) or the latest iOS 5.x

e.g. You can’t restore from 5.0.1 –> 5.0.
But you CAN restore from 5.x –> 4.x
(You can’t restore to ANY iOS 5 version except the latest one.)

Read before you post.

well, i just restored my iPad using tiny umbrella with 5.0.1…i know this doesn’t seem like important news, but on my jailbroken phone, i noticed cydia is now caching 5.0.1 blobs. i was skeptic at first, but i was curious. so i tried an experiment. I started tiny umbrella’s tss server and tried to restore my ipad2 without a blob, it didn’t work (because it was trying to get permission from the private server that didn’t have blobs, not apple.) next i saved my 5.0.1 blob, and tried again, the restore worked! so perhaps this means we can downgrade to 5.0.1 once 5.1 is released?! save yo blobs now! especially 4s ipad2 owners, pod2g & his new team have found a userland exploit that will allow an untetherd a5 jb (release this week?)

nop… just jailbreak 5.0.1 while you can…

factory unlocked phone doesn’t show network or says invalid sim after update firmware from 5.0.1 to 5.1 is there any possibility that i can downgrade it to my previous version?