Opting out from beta build, back to stable

[ajab_sharma]

I've installed the beta build on my One Plus 7t but now I want to revert back but the device doesn't allow downgrading back to stable builds, can anyone please explain the official method to do so without harming the warranty of device?

 

[Kollachi]

I've installed the beta build on my One Plus 7t but now I want to revert back but the device doesn't allow downgrading back to stable builds, can anyone please explain the official method to do so without harming the warranty of device?

Here you go.