How to Install Stock Cyanogen 12S / Android Lollipop on OnePlus One?

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The wait is finally over! Cyanogen has finally got all the approvals and certifications from the Google team to push the OTA update. Starting today, an OTA update will be pushed OnePlus One device. Here is a guide to install Stock Cyanogen 12S / Android Lollipop on OnePlus One.

Android-Lollipop-on-OnePlus-One

With respect to this Lollipop update, OnePlus One user will be tasted with material UI along with a few of the Cyanogen tweaks. The company is stressing on a couple of features which come pre-built with Cyanogen 12S. They are,

  1. It gives you extra theming features, down to the granular ability to theme individual apps using the new feature called App Themer. You also have more choice in themes – both free and now paid themes. We’ve now made it even easier for you to turn your operating system into your own personal canvas.
  2. The premium version of Boxer comes free to all Cyanogen OS users. This new email experience provides sweet benefits that were previously missing from the built-in mail app.

Eager to get your hands on with Cyanogen 12S? Here is a guide to install it in offline mode. Before you proceed, please read the disclaimer below!

[Disclaimer: This procedure is very technical and should be performed by a person with sound knowledge of rooting (or manual software installation) Android devices. If the step-by-step installation process is not followed properly, there are chances of the smartphone getting bricked or being permanently irreparable. LetzWrite cannot be held responsible for any damage or claims from readers if the procedure does not yield the required results or if the smartphone is bricked. Hence, users are advised to proceed with caution.]

Prerequisites (Things to have and remember before installing the CM12s update):

  • Make sure the device is charged – at least 50%
  • Download CM12s Update file from here
  • Once the file is downloaded, push it to OnePlus One directory. Create a folder with name “CM12S” and copy the file into this folder for easy access

How to Install CM12S on OnePlus One running on Stock OS which is CM11S

Note: If you are on Stock OS which comes out of the box with OnePlus One, you will not lose any data while updating to Android Lollipop.

Step 1: Enable developer settings by tapping on Build Number for 7 times in About section of setting screen. This will show a toast message telling “You are now a developer”

Step 2: Go back to setting screen and click on Developer Settings. Check mark on “Advanced Reboot”. This will enable the advanced reboot options.

Step 3: Boot into recovery mode. Click and hold the power button for 2 seconds. It will show the advanced reboot options. Click on “Recovery” from the options popup.

Step 4: Once you are on recovery screen, Click on “Apply Update”

Step 5: Navigate to CM12S folder which we created before and tap on cm-12.0-YNG1TAS0YL-bacon-signed.zip file.

Step 6: Wait for a few minutes. Once the installation is completed, Go back to the main recovery screen and click on “Wipe Cache partition”.

Step 7: Reboot the device. You will be welcomed with Cyanogen 12S a.k.a Android Lollipop on your Oneplus One. It will take a few moments to reach this screen. Hold your breath and stay calm.

How to Install CM12S on OnePlus One running on custom OS or Rooted

Note: This process will erase all your data. Please have a backup of all your files before proceeding.

Step 1: Enable developer settings by tapping on Build Number for 7 times in About section of setting screen. This will show a toast message telling “You are now a developer”

Step 2: Go back to setting screen and click on Developer Settings. Check mark on “Advanced Reboot”. This will enable the advanced reboot options.

Step 3: Boot into recovery mode. Click and hold the power button for 2 seconds. It will show the advanced reboot options. Click on “Recovery” from the options popup.

Step 4: If you are on a custom ROM means you will be taken any of the custom recovery screens. Either ClockworkMod or Philz or TWRP. In any of these, find the option to “Wipe”. Wipe Data, Wipe Cache and Wipe Dalvik Cache for clean installation of CM12S.

Step 5: Go back to Recovery home screen and click on “Install Zip”.

Step 6: Navigate to CM12S folder which we created before and tap on cm-12.0-YNG1TAS0YL-bacon-signed.zip file. It will prompt you to proceed with the installation. Now click on Yes.

Step 7: After the installation is successful and completed, reboot the device. You will be welcomed with Cyanogen 12S a.k.a Android Lollipop on your Oneplus One. It will take a few moments to reach this screen. Hold your breath and stay calm.

That’s it from us. Hope you didn’t face any issue while installing the OTA update file. Let us know your impressions of the Cyanogen 12S 12S / Android Lollipop on OnePlus One. Also, if you face any issue while installing, please leave a comment here.

Vinay

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Vinay

Avid blogger, crazy about gadgets and mobiles especially about Android powered devices! Tech is all you get out of me! You can follow him on Facebook and on Twitter. To get in touch, simply drop a mail

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