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  • Apple has stopped Code Signing for iOS 9.2.1
    On Tuesday, Apple has stopped signing code for iOS 9.2.1, meaning users can no longer downgrade to the older 9.2.1 from 9.3 or 9.3.1.


    Apple pushed iOS 9.3.1 last week, patching a web link bug that in some cases caused apps to freeze or crash which seems to be successful. Apple ceases it's code signing on deemed obsolete iterations of iOS in order to ensure a consistent user experience and to protect consumers against bugs or security vulnerabilities fixed with the most recent software.

    Since the launch of 9.3 last month, the firmware has seen its fair share of problems, including an Activation Lock bug that rendered older hardware unusable. Apple pulled the update for certain iOS devices before issuing a fix last week.

    Recently, the iPhone 6s and 6s Plus owners were affected by an obscure security exploit that allowed nefarious users access to contact and photo data without a passcode. As the bug involved a combination of Siri, 3D Touch and certain system settings, its impact on the greater iPhone install base was likely minimal.

    In early iOS 9.3 betas, Night Shift did work with Low Power Mode, but in iOS 9.3 beta 4, Apple removed the functionality. Night Shift and Low Power Mode cannot be run simultaneously.


    We advise all of our members and guests of ModMyi to always stay on the earliest Software Version they can for the purpose of a Jailbreak.


    Update:
    When using a locked iPhone, asking Siri to "Search Twitter" now results in the personal assistant saying "You'll need to unlock your iPhone first." Without the ability to search Twitter on a locked device, there is no way to get the exploit to work. Apple has confirmed the fix in a short statement given to The Washington Post.
    This article was originally published in forum thread: Apple has stopped Code Signing for iOS 9.2.1 started by Caiden Spencer View original post
    Comments 2 Comments
    1. matakibiker's Avatar
      matakibiker -
      In other news, jailbreak for iOS 9.2.1 and below gets released, screwing over anyone who updated thinking that it would include 9.3.1...

      Please don't do that to us...
    1. CZroe's Avatar
      CZroe -
      I wouldn't call it "code signing." This isn't about execution of signed vs. unsigned code. It's about allowing an update.

      Just say that they are no longer signing 9.2.1 upgrades.

      Quote Originally Posted by matakibiker View Post
      In other news, jailbreak for iOS 9.2.1 and below gets released, screwing over anyone who updated thinking that it would include 9.3.1...

      Please don't do that to us...
      The people developing these do what they can do. The exploits either work for your version of iOS or they don't.