Instead, it's probably clearing out caches that shouldn't be full in the first place - suggesting this is a storage issue (if not outright bug) Apple should investigate. It's not like iOS is secretly wiping out your photos or something. The best news of all: There doesn't appear to be a downside to this. But if you check the (now old) Reddit thread devoted to this topic, you'll see that many users tacked on hundreds of megabytes numerous times, and some were able to reclaim gigabytes of space. Result after the first attempted rental: 4.4GB.Īlas, that was as far as I got. Running iOS 9.1, for the record, that had 4GB of available space. Heck? It's not immediately clear why this works, but it does.

Keep going until you either have too much free space, meaning you'd actually be able to download the movie, or the available space stops rising.

Step 4: Repeat the process! (That is, go back to the iTunes Store app and try renting the movie again.) Each time, you should wind up with another chunk of freed-up storage.

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