OnePlus have released their Hydrogen OS 3.0 for their OnePlus 3 and OnePlus 3T smartphones, the OS is based on Android 7.0 Nougat.
The OnePlus Hydrogen OS 3.0 is designed for the Chinese versions of both the OnePlus 3 and the OnePlus 3T.
You can install the ROM for Hydrogen OS 3.0 on your OnePlus 3 or 3T, although it does not come with any Google apps so you will need to install these yourself.
The ROM is around 1.2GB in size and you can find out more details about it over at OnePlus at the link below.
Source OnePlus, Android Authority
