The OnePlus 9-Series received the Android 13-based custom ROM Topaz13, which might be a viable alternative to OxygenOS 13. Developers release the pre-stable build, Topaz13, for the OnePlus 9. and the OnePlus 9 Pro with some handy features.

They recently released the update for Nothing Phone 1 and Google Pixel 6 series, including the Pixel 6, Pixel 6 Pro, and Pixel 6A. The paranoid team continuously addresses feedback to stabilize the build by pushing out frequent updates via OTA. OTA integration makes the transition from stable more seamless.

OnePlus has already begun testing OxygenOS 13 based on Android 13 on the OnePlus 9 and 9 Pro. Those of you who want to experience Android 13 on your device before the official release can install Paranoid Android, one of the most significant third-party ROM projects, to experience Android 13 on your device.

Flashing Topaz13 on your OnePlus 9 or 9 Pro, you need to download the Fastboot-flashable.Zip file from the official website. After downloading, reboot your device and install the Zip package using the fastboot update aospa-topaz-* command. (XDA-Thread: Paranoid Android Topaz Beta 1OnePlus 9, Paranoid Android Topaz Beta 1 – OnePlus 9 Pro)

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Paranoid Android Topaz

Before flashing, ensure you have a backup of your device data. You must unlock your bootloader and wipe your existing data for a clean installation. We do not recommend flashing this ROM on your primary device; since it’s a beta version, you may encounter bugs and issues.