Here's iOS 11 beta 2 Update 1 build 15A5304j Vs iOS 11 beta 2 build 15A5304i difference or comparison for iPhone, iPad and iPod touch devices.
While most consumers only pay attention to an iOS software update when it pops up on their device or in iTunes, the lengthy beta process beforehand is when said firmware version is perfected. With new features come new compatibility issues, which frequently see a beta release revised several times before eventually reaching the end-user. One iOS enthusiast by the name of Will Hains decided to dig deep, creating a breakdown of each iOS iteration from its inception as the old iPhone OS back in 2007 up to the present day.