New answers tagged upgrade
The "downside" is that you lose the hardware. That's Apple's entire incentive for offering this exchange feature. If you're ok with the reality that you must exchange the phone you "half-own" in order to receive a new model early, there is nothing further that should stop you.
Apple discontinues signing old versions of iOS after a certain period (normally days to weeks for OS's only one or two minor versions out). When your iDevice updates to a new OS, it calls home to verify the OS installed is allowed. Since Apple no longer signs old OS's, sadly you can't downgrade very far. Note: there are 'hacky' ways of doing this involving ...
How to upgrade RAM memory on MacBook White a1342 https://www.youtube.com/watch?v=xS6STfKdYFU
In System Preferences go to App Store and disable Automatically check for updates.
Installing via iTunes works (i.e., plug iPad into computer with iTunes running), so I ended up doing that. For others that run into this problem: you may want to make sure you have enough disk space on your device. I had 32gb, so I know that wasn't my problem. I suspect my problem had something to do with the 9.3 update arriving, and then Apple ...
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