![]() It is completely unfriendly to schools and other organizations where device parity is paramount. I continue to find it almost unbelievable that Apple hasn't implemented the ability to control an OS update on a set of managed/supervised iOS devices. To make matters worse, Apple has been invalidating the signing of older OSes about 2-3 weeks after a new version drops, and is is no simple chore to back grade an iPad to an older OS. ![]() IOS 11 will be particularly problematic because of the interface functionality changes significantly (split windows, multitasking, Dock, etc.). For the iPads in our teacher's hands (each teacher has an iPad assigned to them), we ask them NOT to upgrade to iOS 11 until we've completed testing, documentation, and professional development for it (which often is at least 3-6 months after its release). Since our classroom and cart iPads never leave our school network, this works. It will prevent update, whatever the network used.Ĭan you believe that I've been asking Apple for this feature since 2012?Ĭurrently, we block the update URL at our firewall. and it cannot ! :)ĮDIT : if you have got a cache server in your LAN, apps updates and installations are not blocked. When iPad ask one of this URL, it is a fake proxy which tries to answer. xml with update links of iOS new firmware Phobos and *.phobos are the repositories of. ![]() create a profile and fill GLOBAL HTTP PROXY with your URL first, open your favorite Text Editor and copy this code : function FindProxyForURL(url, host) "If you want to not update iOS to iOS 9 the first day, to save internet bandwidth for example, and if you want to block apps updates (and installation), you can block the Apple servers with a Global Proxy : You can use this I wrote for iOS 9 and still working I guess :
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