Installing Rom Stock Roms

Download Official HydrogenOS For OnePlus 3 (H2OS v1.4.0)

Official HyadrogenOS is now avaialable for OnePlus 3 (H2OS v1.4.0)  Android 6.0.1 Marshmallow.You can Download & Install Official HydrogenOS On OnePlus 3 (H2OS)Here we are sharing the link to download H2OS Android marshmallow 6.0.1 firmware for OP3.This is a very simple and easy guide to follow.Here

OnePlus 3 is the latest device from OnePlus.The international OP3 comes with OxygenOS whereas Chinese variant comes with HydrogenOS a.k.a H2OS.But now international users also can install the Official HyadrogenOS Marshmallow firmware on their OnePlus 3.Thanks to Yash98, Senior Member over Xda, we now have the Zip file of official HydrogenOS.You can download the HyadrogenOS Zip file and install that on your OP3 by flashing it via TWRP recovery.


Make sure you have a working TWRP recovery on your OnePlus 3.We have already posted an article on How to Install TWRP Recovery & Root OnePlus 3 so check that out and install the custom recovery first.



You only are responsible for your device. We at won’t be liable if any damage occurs to your device and/or its components.


  • This guide is only for OnePlus 3, so don’t try on other OnePlus devices.
  • More than 60% battery is required
  • Take backup of your apps and data



Download Official HydrogenOS On OnePlus 3 (Current v005)


Bloat Remover | SuperSU: Link

Gapps download

For more info visit the official Xda thread here

HOW TO FLASH / Install Official HydrogenOS On OnePlus 3 (H2OS v1.4.0) 

Image Credit:Pete Slater

Flash Official HydrogenOS On OnePlus 3

  • Download the H2OS ROM Zip file from the download section above
  • Connect OP3 to PC and transfer the ROM file to device’s internal memory
  •  Boot OnePlus 3 to TWRP recovery.Guide  How To to Boot Into Recovery Mode On Android (Various Ways)
  • Once you in TWRP recovery, flash the ROM file.Guide  How To Install A Custom ROM Via Recovery On Any Android
  • After installing the ROM Flash Debloater+SuperSU (Download section) (removes included Chinese bloatware) (
  • Then Flash the Gapps Zip file using TWRP.Once you have done all the flashing, just reboot your device
  • First time boot may take up to 15min (fresh boot)
  • Done!!! Your OnePlus 3 should now have the latest Official HydrogenOS.

If you have any question related to this post, feel free to leave that in the comment section 🙂

Via Xda

About the author

RMG Staff

Rootmygalaxy a.k.a RMG is one of the biggest Android Guide websites which has been serving for last 4 years. The site gets avg. 1.5 million views per month These Posts are done by RMG Team Members.

LineageOS 15.1 (Android 8.1 Oreo) Is now available for many devicesDownload Now

By continuing to use the site, you agree to the use of cookies. more information

The cookie settings on this website are set to "allow cookies" to give you the best browsing experience possible. If you continue to use this website without changing your cookie settings or you click "Accept" below then you are consenting to this.