Download Hydrogen OS H2OS 3.5 For OnePlus 5

Hydrogen OS H2OS 3.5 is released for the Oneplus 5 smartphone. The new update comes with lots of new fixes and improvements. Hydrogen OS is one of the popular ROM in the Chinese version of Oneplus 5 and it has so many features which you can’t see in the Global version of Oxygen OS Oneplus 5. The full firmware of Hydrogen OS H2OS 3.5 version 6 is officially released for the OnePlus 5.

Here in this guide, you can download the Hydrogen OS H2OS 3.5 install the same on your phone. Hydrogen OS is quite different from Oxygen OS and the rom doesn’t comes with the Google application, So you need to install the Gapps separately on your phone to enjoy the benefits of Google Plays store. Follow the below step by step guide to install Hydrogen OS 3.5 on OnePlus 5.

Download Hydrogen OS H2OS 3.5 For OnePlus 5


We the team or the developers are not responsible for bricked devices, dead SD cards. Read all the instruction very carefully and Perform everything at your own risk.


This guide is only for the Oneplus 5 Android smartphone. Don’t try this method on any of other Android devices, It may hard brick your device. So, first confirm your phone model number in your android phone settings. To do this Go the Settings page of your device and check out the “About Device” option.

Requirements to Update OnePlus 5

Before following the below Mention guide, It’s always recommended to follow our pre-requisites and requirement to stay safe.


Do take the Full Backup of your Android Apps, SMS, Contacts, Call Logs, Bookmarks. This one is one of the most important steps that you have to follow, as we don’t want anyone losing their personal data or apps. For help on Backup and Restore check out the below mention guides.

 Free Android Apps to Backup

 Backup WhatsApp Messages


If your device switched off during this process, it could damage or brick the device. Make sure that your Android battery is full charge or near about 50-70% battery level.

After following the above mention steps follow the below mention guide one by one to proceed with the tutorial. All the above mention steps are very important, so do follow all the steps and do exactly what is told.

Download Hydrogen OS H2OS 3.5 For OnePlus 5

Download H2OS for OnePlus devices | Download | Full ROM zip

Install Hydrogen OS H2OS 3.5 on OnePlus 5

1. Download H2 Os firmware from above download section and save the zip file on your oneplus 5 phone.

2. Go to Settings > System Updates > click the upper right corner of the “Settings icon” Tap Local Upgrade

local update oneplus 5

3. Tap on Search for Upgrade Package.

4. Now select the Hydrogen OS H2OS 3.5 zip and flashing process will start on your phone.

6. Your OnePlus device will automatically reboot once the installation is successfully completed.

That’s it now the Hydrogen OS H2OS 3.5is installed on your Oneplus 5 phone. Hope you found this article helpful. Let us know your feedback on Hydrogen OS 3.5 in the comment section below.

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