These iOS 9.0.1 Upgrade Tips Should Help
Once you decide that you want to install the iOS 9.0.1 update on your iPhone 6, we recommend taking a look at our upgrade tips.
These will help you make a smooth transition from whatever you are on, be it iOS 9.0 or something else, to the iOS 9.0.1 update. These are the things we do during every roll out and they're a big reason why we typically come out of iOS updates without any major problems.
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