Here are a few reasons your Android isn’t getting updates: Your internet connection isn’t strong enough Some of the simplest reasons your Android won’t update are completely separate from fatal operating system issues, even if it might feel like it. This process can take a very long time, and it's at the heart of Android’s update problem. If you purchased your phone through a carrier - like Verizon or Vodafone - they’ll likely make additional changes to the update. The Google update goes to Android phone manufacturers - like Samsung, Sony, and HTC - who make their own changes to the software, adding features to improve compatibility with their devices or differentiate themselves from competition.
Google makes an update or a patch and pushes it out to the phones that it can, like Google Pixel phones.