Again, this is getting better, but it’s still not great.

Mac Book introduced in early 2009 or later, plus Mac Book (13-inch, Aluminum, Late 2008) Mac Book Air introduced in late 2008 or later Mac Book Pro introduced in mid 2007 or later Mac mini introduced in early 2009 or later i Mac introduced in mid 2007 or later Mac Pro introduced in early 2008 or later Xserve models introduced in early 2009 After downloading, the installer opens automatically.
Click Continue and follow the onscreen instructions.
Any manufacturer can make a smartphone or tablet, throw Android on it, and release it.
While there have been 14 different i Phones released since 2007, As such, Android phones use a wide variety of different hardware.
You might find it easiest to begin installation in the evening so that it can complete overnight, if needed.
Please allow installation to complete without putting your Mac to sleep or closing its lid.
The good news is that most of the major players, like Samsung, have gotten much better about supporting their flagship handsets, at least for a couple of years.
For example, my one-and-a-half year old Galaxy S7 is running the same version of Android as the much-newer S8: they’re both running Android Nougat.
Lastly, Android smartphone manufacturers are also beholden to cell phone carriers, who can delay updates by months on their networks.