After much anticipation, Android 7.0 Nougat is finally available for the unlocked version of US Galaxy S7 Edge. The update can be manually installed and downloaded from Samsung's Smart Switch application.

Things to know before upgrading

Before downloading the latest Android OS, there are things you have to ensure. One is to have the Smart Switch Android version installed on your phone, as well as the PC app on your desktop, which can be download from Samsung's website.

Android 7.0 file size is at 2.264 GB, so make sure you have freed up enough space for it in your US Galaxy S7 Edge device.

To start the installation, connect your Samsung S7 Edge on your PC, launch the Smart Switch PC tool, and follow the instructions on how to install and download the update.

The update comes with several performance improvements for your Samsung Galaxy S7 Edge, better multi-window support for apps, a new UX design, April 2017 security fixes, improved settings menu, a Samsung pass feature and more.

The update for unlocked Galaxy S7 Edge over the air is not yet available, as well as the update for the Galaxy S7. According to PocketNow, Samsung tried to roll out the OS to the unlocked versions within April, but it met some delays as one operator delayed its approval.

Android O features

Meanwhile, Samsung is already working on the next Android OS, currently called "Android O." The official name will be revealed at the Google I/O this year, according to Gizmo Times.

The Android O preview has already been released to select devices, although it's for developers only. But if you want to try it, you can flash it on your Nexus or Pixel device; Android Authority wrote on how to do it. The developer preview is available on Google Pixel, Google Pixel XL, Nexus 6P, Nexus 5X or Pixel C.

Android O features improved notifications, enhanced Bluetooth audio, and a new Settings menu.

It also has a new Background apps management, additional support for aptX Bluetooth streaming technology, adaptive icons for developers, Neighborhood Aware Networking (NAN) mode for Wi-Fi, a new File Manager, App Badges, new Notification channels, custom shortcuts and more.

Google's new Android OS is likely to be to be released later this year and would debut on Google's upcoming flagship device, Google Pixel 2. Pixel 2 is also still in the works, which would come in three models according to leaks, as reported by Forbes.