iOS 9 essentials: How to improve device performance after upgrade
If your iPhone or iPad seems slower now you’ve installed iOS 9, please try these simple tips – they may be all it takes to get things running smoothly again.
Don’t panic
If you’ve only just installed iOS 9 on your device then performance will lag slightly while your iPhone or iPad indexes itself. The more data you have on your device, the longer the process takes, but it is only temporary, so be patient.
Apps control
You can easily end up with a host of currently running apps. Double-click the Home button to see them, if you have dozens running it makes sense to switch them off, as this may improve overall device performance so soon after an upgrade.
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