The second update of Hydrogen OS is now available on OnePlus One and is running on Android 5.0.2 Lollipop. This update is really special for OnePlus One users as it fixes several major issues and improves the stability of the device. OnePlus One users reported overheating, slow performance, battery problem and many other issues and the good news is all of them are now fixed in this second update. This ROM comes with Google Apps Gapps preinstalled with full SuperSU support and there is no bloatware in this ROM.

If you are ready to install this ROM on your OnePlus One, then you must have a custom recovery installed and now all you need to do is to follow our detailed guide on how to install HydrogenOS Android 5.0.2 Lollipop on OnePlus One.


  • Before proceeding, make sure you have taken backup of all your important data likes images, videos, messages and emails.
  • You have installed OnePlus One USB Driver on your PC.
  • Your device must have custom recovery like TWRP installed.
  • Your device must have more than 60 percent or more battery available.
  • This tutorial is only for OnePlus One. Don’t try to install it on other variants.

How to Install HydrogenOS Android 5.0.2 Lollipop on OnePlusOne

Step 1: Download HydrogenOS Android 5.0.2 Lollipop ROM for OnePlus One to your computer.

Step 2: Now, connect your device to your computer using the USB cable.

Step 3: Copy the HydrogenOS ROM and place the file to the root directory of your phone memory/SD Card.

Step 4: Now, turn the device off and disconnect the USB cable.

Step 5: Now, its time to get in the recovery mode. Switch ON the phone while pressing and holding Volume Down + Power buttons together.

Step 6: Once you are in the recovery mode (TWRP) perform the full data by tapping the Wipe button and swipe on Swipe to Factory Reset option.

Step 7: Now, go to the main menu and tap on the install button. Now, select the zip file that you have copied in the phone.

Step 8: Once done, select Swipe to Confirm Flash option. Now the installation will start and it may take several minutes.

Step 9: Once the installation is completed select “Wipe Cache/Dalvik button”.

Step 10: Now, restart your phone by selecting Reboot System Button. After a fresh installation, the first boot may take around 5 minutes.

That’s it. Your device is now running on HydrogenOS Custom ROM. Now, go to settings > About Phone to verify the device.


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