This review will cover my experience with the 11.1 update and what I’ve noticed using it for a week. To preface this my devices are iPad Pro 12.9 2nd generation and a iPhone 7. CRITICAL SETTINGS Background App Refresh enabled for all apps Spotlight Search Indexing disabled, Siri enabled on iPhone, off on iPad Syncing iCloud, Gmail, and Exchange accounts Location Services set to “While using the app” or “Never” System Services disabled aside from, time zone, compass calibration, find my device, routing and traffic, emergency sos. Auto Brightness enabled, I let it decide and it’s never been too dim or too bright. Stability Over the past week both my iPhone and iPad have been perfectly stable and not a single one of my apps haves “crashed to springboard”. Even the podcast app hasn’t crashed on me, which it had been doing for the past 3 years. Apple seems to have finally stabilized iOS 11.1 as before it had kept locking up my iPad specifically if I used Safari, I suspect some memory leaks were plugged. Battery Life Battery life has remained entirely normal, dare I say excellent. Both my iPhone and iPad have the same phenomenal battery life I’ve always had, getting me through my 7:30 am to 12-1am days. Keep in mind my apps are kept to a minimum and selected very specifically. 13 apps on iPad and 12 on iPhone. Also I dont use apps known to cause issues, YouTube, Facebook, Snapchat, those types of apps. Performance The performance is were my two devices have some minor differences. The good news is that app, hanging, freezing is seemingly gone with 11.1. My iPad before had sever stuttering like 5-8fps when exiting or entering an app (the apps zoom in and zoom out animation) That has been fixed as well. The iPhone is smoother then ever regarding multitasking and pulling up control center, its buttery smooth. Unfortunately those characteristics didn’t carry over to my iPad as swiping up control center and swiping through the multitasking menu has become laiden with micro stutters. I say micro because the stuttering isn’t nearly as bad as before but still visible and irksome considering this is the flagship iPad Pro. It must be optimization of the the chip because my friends Air 2, runs smooth and doesn’t suffer from any of these stutters that I face. Overall though I’d say performance has improved massively from release with the large issues being resolved and only minor issues remaining. Summary Overall I do appreciate iOS 11.1 as it has fixed about 90% of the stability and performance issues that I have personally faced. I do hope however Apple continues to optimize the A9 and newer SOCs considering their considerable perfomance jump they certainlay shouldn’t be having the performance issues I continually am reading about. It isn’t just my iPad having stuttering issues its brand new iPhone 8’s and really all devices.