You can’t revert from Android 13 to Android 12 on Pixel 6 devices
by Jay Peters from The Verge - All Posts on (#62HR5)
Illustration by William Joel / The Verge Android 13 is now rolling out to Google's Pixel phones, but if you want to flash the update onto your Pixel 6, Pixel 6 Pro, or Pixel 6A, with the company's custom Tensor chip, you won't be able to flash back to Android 12 because of a bootloader update, according to a notice on Google's developer website.
Warning: The Android 13 update for Pixel 6, Pixel 6 Pro, and the Pixel 6a contains a bootloader update that increments the anti-roll back version," the notice reads. After flashing an Android 13 build on these devices you will not be able to flash older Android 12 builds."
Additionally, if you've been in the Android 13 beta test group and you'd like to get out of the cycle of accelerated updates without erasing your device - usually...