We’ve all heard the argument that Apple iPhones update quickly because Apple controls both hardware and software. With the hundreds of unique devices that run Android, its very difficult to have this same speed and effectiveness of major updates – not to mention, the vast differences of software that OEMs offer. Google has been able to push many updates through Google Play Services, even if devices are no longer receiving major OS updates. In a Google Developers Blog post, it’s revealed that Android 10 was the quickest adopted Android version ever. Of course, it didn’t happen overnight....
Source: https://www.gsmarena.com/googles_efforts_in_making_android_updates_faster_have_paid_off_android_10_fastest_adopted_update-news-44198.php