iOS 12 is just as good as iOS 10.3.3... i have the betas installed for 1 month now.. I’m mind blown at the stability of these betas.. I haven’t gotten 1 glitch, 1 random bug, 1 random shut down. No battery issue.. non.. I couldn’t believe how iOS 11 was until iOS 12.. it’s amazing in stabilty.. it’s like iOS 10 back with a bang..