> day-to-day tasks that felt sluggish on my 5S since the iOS 11 update . . . are still slow and sluggish. If you restored from a backup, try setting up the pho

> day-to-day tasks that felt sluggish on my 5S since the iOS 11 update . . . are still slow and sluggish. If you restored from a backup, try setting up the phone fresh instead. If that doesn't help, just go back to the backup.