Whether you are an enthusiast looking to resurrect an old device, a developer needing a legacy testing environment, or just feeling a wave of tech nostalgia, here is everything you need to know about the Android 5.1.1 download.
If you are a developer or want to build a custom version of the OS for a non-Nexus device, you can find the source code in the AOSP repositories. android 5.1.1 download
Note: This is a technical process. If you are unfamiliar with command-line tools, it is best to read a specific tutorial for your exact device model on XDA Forums. Whether you are an enthusiast looking to resurrect
It polished the rough edges and added features that are now standard, including: android 5.1.1 download