My 6 Plus turned to absolute sluggish crap after iOS 11. Will try the reinstall this week. Suspected that might be worth a try, but had been hoping the first tw

My 6 Plus turned to absolute sluggish crap after iOS 11. Will try the reinstall this week. Suspected that might be worth a try, but had been hoping the first two 0.x updates might've solved it first... no luck!