Pixel 6 stuck in Android 17 Beta bootloop — looking for a way back to stable Android 17 Production Build

I have a Google Pixel 6 (oriole) that was running Android 17 Beta, build [CP21.260330.011.A1].

Problem: After a restart, the device started bootlooping immediately after reaching the lock screen, including initially in Safe Mode.

What I've already tried:

  • Sideloaded the exact matching official OTA: [oriole_beta-ota-cp21.260330.011.a1-efa92aa3.zip]. It completed, but the bootloop remained.
  • Checked Recovery logs; nothing useful.
  • Checked A/B slots. Both exist. Current slot is A. Neither A nor B is marked "unbootable", but neither is marked "successful".
  • Tried [fastboot set_active b], but the locked bootloader refuses it: [set_active command is not allowed on locked devices].
  • Google Pixel Repair Tool detects the phone in Rescue Mode, but Chrome reports [Unable to connect].
  • Rescue ADB works ([adb get-state → rescue]), but [adb shell] is unavailable.
  • Eventually factory-reset the phone. The reset did NOT fix the problem; the same OS bootloop returned.
  • At one point Safe Mode stayed running with Wi-Fi OFF. Turning Wi-Fi ON immediately triggered the bootloop again.
  • Before one failure, the phone had also reported a Google Play system update had completed and required a restart.
  • The phone is also apparently still on the beta track, but [g.co/androidbeta] says: "There are no eligible devices associated with this Google account." Google Play otherwise recognizes the device normally.

The bootloader is still locked:

[unlocked: no]

[flashing get_unlock_ability → 1]

I also previously had an IMEI 0000 issue on this phone, although I don't know whether that's related.

One potentially important clue: Google's Android 17 QPR1 Beta 9 release notes explicitly mention fixing an issue where devices could enter a continuous reboot loop every 20–30 seconds.

Current situation: phone is bootlooping again after the factory reset.

What I need: a reliable, preferably official way to completely get this device OFF the Android 17 beta and onto a stable/public Android build. I'm no longer trying to preserve the original userdata because the factory reset has already happened.

I'm comfortable using ADB/Fastboot and following detailed instructions. Please don't suggest bootloader unlocking or random partition flashing unless there's a specific reason and an exact procedure.

I'm particularly interested in anyone who has dealt with this specific Pixel 6 / Android 17 QPR1 bootloop and successfully recovered it.

submitted by /u/Kink_Drowned
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