Apple just stop signing iOS 9.3.5 without possibility of leaving downgrade to all users who, a month after the release of the final version of iOS 10 are still not in accordance with the latest version of iOS. But it is not the only version that Apple has stopped signing, since it is not possible to return to the first version 10.0.1 iOS Apple released iOS 10. ago just a couple of days the boys in Cupertino launched iOS 10.0.3 , an update that has only come to the iPhone 7 and that solved the problems with connections to LTE networks in the US with Verizon and Spring.
Currently Apple is working on iOS 10.1, which will be the first major update of iOS and is currently in the fourth beta, which was also released on Monday. The main novelty of this first major update is the possibility of using portrait mode on the iPhone 7 Plus, a mode which can blur the background of the photographs we do to people, but is also working quite well when we use it on objects or animals.
Apple has stopped signing iOS 9.3.5 does not mean anything for jailbreak users since the last version to support iOS 9.3.3 it was version was available very limited time available until Apple released a new update closing the exploits used to do. Shortly after it released iOS 9.3.5, an important security update that corrected major flaws in the security of iOS that allowed perform zero-day attacks, attacks that allow the execution of malicious code because the vulnerabilities of a system are unknown the product manufacturer.
Regarding compatibility jailbreak with iOS 10.x Luca Todesco and undertook to prove that the tenth version of iOS is still compatible with the jailbrek, although as usual in this Italian hacker, will not share this information with other hackers are interested in launching a jailbreak for iOS user community.