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iOS 11 works with no noticeable degradation on my 6S Plus, which is a surprise to me given my crappy iOS 7 and up experience with my 4S. Maybe you had one of th

iOS 11 works with no noticeable degradation on my 6S Plus, which is a surprise to me given my crappy iOS 7 and up experience with my 4S. Maybe you had one of the cruft accumulation/wipe-mandating situations.

dep_b 9y ago
11.0 sucked on an iPad Mini 2 but was OK on my wife's 6S Plus. 11.1 is smooth on all devices.
- ourcat 9y ago
  iOS 11 on my iPhone6 has completely slowed it down. Apps take forever to open. The camera too. When this phone came out, it was lightning fast. The way they keep bloating the incremental iOS updates is infuriating.
  - CodeWriter23 9y ago
    You might want to try some things. First, make sure you’ve got at least 1GB free space on the device. iOS starts thrashing when free space is low. Second, tap Settings > Battery to see if any apps are excessively burning the battery (and by extension, the CPU) Third: Settings > Privacy > Location Services and make sure every app is set to Never, unless giving that app location services has some benefit to you. Fourth: Settings > Background Refresh. Turn off everything except apps you want to refresh. For example, apps that sync data via iCloud. Last suggestion: back up via iTunes, restore to factory settings, restore from backup. In my experience, this is iOS’ dirty little secret, sometimes it gets into a state that can only be resolved with a wipe.