With iOS 12 just around the corner, Apple has updated its App Store Developer Page revealing that iOS 11 is now installed on 85 percent of devices as of Sept. 3, 2018. This represents a four percent increase from May 31, when Apple last updated its adoption statistics. With iOS 12 being debuted only a few days after that, it’s reasonable to assume that adoption has slowed down with the anticipation and focus on Apple’s newer release, but…