Chinese smartphone maker OnePlus was recently busy releasing the Android Nougat update for Oneplus 3 and Oneplus 3T. Both the devices have already received the Android Nougat update based on Oxygen OS.
Now the company has released Hydrogen OS ROM for the Oneplus 3 and Oneplus 3T. The company has announced this via their official forum. The blogpost in forum didn’t mention anything about Changelog. There are two methods of installation. One is without the Google Play Store and another is with Google Play Store and service. What you need to do is Download the Hydrogen OS for your smartphone i.e. the Oneplus 3 or 3T. Once you have installed the ROM, you can also install the Google Play Store along with services by the Google Installer given below to download.
Hydrogen OS 3.0 for OnePlus 3T
Play store installer Method 1:
https://drive.google.com/drive/folders/0B0l2sjcF9VU2WGdiMFJKTTJrdFU
Play store installer Method 2:
open market app and search for “google play store” then install