Android 11 is the eleventh major release and 18th version of Android, the mobile operating system developed by the Open Handset Alliance led by Google. It was released on September 8, 2020. The first phone launched in Europe with Android 11 was the Vivo X51 5G and after its full stable release, the first phone in the world which came with Android 11 was Google Pixel 5.
Since Android 11, apps can no longer access files in any other app's directory within storage (likewise to "Android/Data").
As of March 2025[update], 11.46% of all Android smartphones & tablets still run Android 11, making it the fourth most common version.