Update Sony Xperia SP to Android 8.1 Oreo via Cosmic OS

Cosmic OS build the latest custom firmware based on Android 8.1 Oreo for Sony Xperia SP smartphone. Now you can update Xperia SP to Android 8.1 Oreo via Cosmic OS ROM. Sony Xperia SP is not a very popular device and was launched in April 2013. But if you are still using the Xperia SP device and want to upgrade it to the latest and greatest Android version then we have some good news for your old device. Now you can upgrade Xperia SP to Android 8.1 Oreo and get the experience of latest Android OS on your device by flashing this Cosmic OS custom ROM. The Cosmic-OS platform is a stable and smooth system, everything will run without any issues. Also, the ROM is light, fast and optimized especially for the Sony Xperia SP. This ROM is not officially announced by Sony but just a custom ROM which is developed by third-party developers.

Remember that the ROM is still under development stage, so rarely you can experience minor bugs or hangs. By following this simple and easy step by step guide, you can update Xperia SP to Android 8.1 Oreo via Cosmic OS ROM. The Cosmic-OS was founded by sagarshah1729 and several other team members are responsible for maintaining the ROM for various devices. Cosmic-OS was founded by sagarshah1729 and several other team members are responsible for maintaining the ROM for various devices.

All thanks to the Cosmic OS team to build this amazing custom firmware which brings all the features and customization’s from Android 8.1 Oreo. Before proceeding, we highly recommend taking the full backup of all your valuable data. because while updating Xperia SP to Android 8.1 Oreo your entire data will be wiped all the data. If you want to update Xperia SP to Android 8.1 Oreo via Cosmic OS custom ROM then go ahead and follow the given steps.

update Xperia SP to Android 8.1 Oreo


This guide containing the Android 8.1 Oreo firmware is working only with the Sony Xperia SP. Don’t use this firmware for any other device or incorrect variant.


AndroidBlog.gs will not be held responsible for any kind of damage occurred to your device before or after the installation process. Proceed at your own risk.


  • Initially, the entire data of your device should have a backup. While installing 8.1 Oreo all the data would be cleaned up just like a new phone.
  • Download and install the correct USB Drivers for your device on the PC.
  • The battery level of your phone must be at least about 70 to 80% to avoid unexpected shutdowns while installing the ROM.

The Cosmic OS is based On Android 8.1 Oreo that brings all the Android 8.1 Oreo features such as Picture in Picture mode, split-screen mode and better battery optimization. By following the given step-by-step guide , you can install Cosmic OS on Sony Xperia SP.

Required Files:

Steps to  Update Xperia SP to Android 8.1 Oreo via Cosmic OS custom ROM :

You would be able to update your Sony Xperia SP to Android 8.1 Oreo Cosmic OS ROM by following simple steps of installation.

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After completing the installation process, reboot the phone by selecting the “reboot system now” from the main Recovery menu.

It might take 5 minutes to reboot your Sony Xperia SP after flashing a new ROM on your device. Now, it’s done! Your Sony Xperia SP turns into an installed Android 8.0 Oreo Cosmic OS custom ROM.

Tell us in the comments area below if you have any issues or queries and we will try our best to help you as soon as possible.


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