Android 15, December 2024 Quarterly Platform Release & Security update

Release channel	Date	Notes
Security express	13 December, Friday	Rollout Halted after 12 hours due to issue
Security express	17 December, Tuesday	Rolling it out again
Beta	17 December, Tuesday
Stable	On Hold	Until issues are resolved

We initially released this to security express on 13 December Friday. At that time, one of our test devices failed to boot, which we thought was a device-specific issue and thus we skipped that device while investigating, but released for the rest
However, the next day, we got reports that the update won’t install correctly for some users, so we halted the rollout, and started trying to figure out what the issue
Unfortunately we haven’t been able to reproduce and thus determine the exact cause yet.
Thus, we decided to release it to at least beta and security express.

The update should install fine. After reboot, if things are ok, you’re good to go.
However, after reboot, if the device does not boot, it will continue trying to boot into this update at least 5 times.
After that, if it still can’t boot, it’ll switch to the pre-update state and boot into that.
You can continue using the device now, and see the below steps to remedy to avoid a repeat.

Name	Matrix (Primary)	Telegram (Bridge)
CalyxOS Testers	#calyxos-testers:matrix.org	CalyxOSTesters

If you’d like to help us figure out this issue, please contact us in the testers channel:
Go to Settings -> System -> System updates. Tap “Release channel”, and select “Stable”
Since this troublesome update hasn’t been released to “Stable”, your device won’t try to download the update again.
If it’s already downloading, you can either let it reboot, or just skip the reboot.

CalyxOS 6.2.1
Android 15, December 2024 Quarterly Platform Release Security update (2024-12-05), Full
microG: Fix some google apps not working after recent updates
Keyboard: Fix landscape mode
Chromium: 131.0.6778.135
Update all included apps

Note

Over-the-air Updates: CalyxOS updates are delivered over-the-air (OTA) automatically, without any manual intervention needed. However, if you'd like to manually update your CalyxOS install, see OTA.
Security Updates: The Pixel 9 Pro Fold, 9 Pro XL, 9 Pro, 9, 8a, 8 Pro, 8, Fold, Tablet, 7a, 7 Pro, 7, 6a, 6 Pro, 6 contain the full security patch, as they are still being updated by Google.
Security Updates: The Fairphone 4, 5, Motorola moto g32, moto g42, moto g52 stock OS follows a different security update release schedule, which usually lags behind by a month or two compared to Pixels. The CalyxOS releases for it only contain the latest fixes to the open source components, such as the OS code and the Linux kernel. Proprietary components such as the bootloader, modem firmware, and other firmware get updates as soon as the stock OS update is available.
End-of-life: The Pixel 5a (5G), 4a (5G), 5, 4a, 4 XL, 4 are no longer being updated by the manufacturer, so the CalyxOS releases for these devices only contain the fixes to the open source components, such as the OS code and the Linux kernel. Proprietary components such as the bootloader, modem firmware, and other firmware no longer get updates.