The system will not allow the installation of an OOS with a "build date" older than the currently installed OOS. You will have to use a roll-back file that will completely wipe the phone. See the open beta 1 thread for this file.
open beta 1?
Yes, the open beta 1 thread has roll-back files. Back up your data to the cloud or a pc first.
i domt have much files on the device so i just want to go back to stable version thats it
I'm not sure you understand. You have to use a roll-back zip file, to wipe all data in your phone, and install a previous version of the stable OOS.
As said before You have to download the Rollback build and install it to move to Stable build.
Or download 184.108.40.206 (Google it or Oxygen Updater)
Both metods will preform a wipe of the phone. Might be possible to use this "keep data" apk to prevent data loss if upgrading to 220.127.116.11. But personally I'd say it wipes data for a good reason. But if you are willing to try it you are free to see if it works.
Orbit Tutorials: Visiting the new Community on a PC
by Ting C., 2022-05-26