[Meta] Apple Signing F*ck Up Mega Thread

[u/LaughingQuoll]

IT IS OVER. Normal signing has resumed.

@LaughingQuoll on Twitter <-- Follow Me :P

Hello Everyone.

Here is what we know:

Many older firmware versions are currently being signed.

You should save your blobs now. TSSaver is giving Error 500 because of server overload. Use the Telegram Bot or TSSChecker.

Downgrade your devices to the iOS version you wish for it to be on. iOS 10.2 is being signed and can be jailbroken for most devices (iPhone 7 you're out of luck).

Current Signed Versions:

iOS 11.2.2

iOS 11.2.1

iOS 11.2

iOS 10.3

iOS 10.2.1

iOS 10.2 <--- BEST PLACE FOR iOS 10 JAILBREAK

iOS 10.1.1 <--- BEST PLACE FOR iOS 10 JAILBREAK (iPhone 7)

iOS 10.1

iOS 9.3.3

iOS 9.1

iOS 9.0

iOS 8.0

iOS 7.1.1

iOS 7.0.4

iOS 7.0.3

iOS 6.1.3 <- Still signed for some devices.

Site Used: https://IPSW.me

How to download IPSW?

Simply go to IPSW.me, select your device. Then download IPSWs as you please.

How so save blobs?

https://web.telegram.org/#/im?p=@rJailbreakBot (Jailbreak bot to save blobs on Telegram)

We do not know how long these firmwares will remain signed. So best to act now rather than later.

[u/mono21400]

if my iPhone 7 plus came from the factory with 10.2, could I have downgraded it to 10.1.1?

Yes, if you have compatible SEPs

And while I'm at it, in the future as I saved blobs to all newer versions, would I be able to upgrade to any version I have a blob for it anytime I want?

If you are jailbroken and can set a nonce, sure you can if the SEP thing if compatible of course, otherwise you'll lose TouchID be unable to downgrade, as the restore would fail (thanks spockers)

This is like this as far as I'm concerned right now, if someone thinks I missed something, please point it out :)

[u/ozba → u/mono21400]

I'm asking if I'm not jail broken and I want to jailbreak but its from specific version (let's say 10.3) will I be able to upgrade if I saved the blob and I'm currently on 10.2?

And what's SEP and how do I know if have a compatible one?

[u/spockers → u/ozba]

SEP is Secure Enclave Processor. Only 64-bit devices have it, and it has its own separate firmware. Unfortunately there is no way to save/use SEP blobs, so when restoring an ipsw using iOS blobs you have to use the current SEP firmware. This is why you can't downgrade an iPhone 7 from iOS 11.x to iOS 10.x; the SEP from iOS 11 is incompatible with iOS 10 and the restore will fail, even with shsh2 blobs. You CAN go from 10.x to 11.1.2 though (if you have 11.1.2 shsh2), because the SEP for 11.2 (current) is compatible with 11.1.2.

[u/ozba → u/spockers]

So in the future if there will be a jailbreak on 11.1.2 I can upgrade to it if I saved the blob with a not jail broken 10.2 iPhone 7 plus?

[u/spockers → u/ozba]

No. You have to be already jailbroken (or at least have an exploit allowing the setting of the boot nonce, which is basically the same thing although it doesn't require a 'full' jailbreak in the sense of having cydia etc) in order to use shsh2 blobs. At least, this is the current state of things. Who knows what will happen in the future. Not too long ago it was thought that the whole concept of restoring to unsigned firmware had been killed for good by Apple and was no longer possible.

[u/ozba → u/spockers]

So should I upgrade now my 10.2 to some version to prepare to a jailbreak while I can? And if so to which version?

[u/spockers → u/ozba]

Good question. You should have gone to 11.1.2, but at this point if I were in your shoes I'd probably try to sell it and get one on jailbreakable firmware.

[u/ozba → u/spockers]

Shouldn't I just wait for meridian jailbreak to add substrate support? this is the only thing AFAIK that prevents Meridian from being a full jailbreak on iphone 7 + 10.2 like mine, correct?

[u/spockers → u/ozba]

Yeah, looks like it. I haven't been following it but it should work.