Previously Android phones were allowed to be released each with modified unique kernels. All new phones which ship with Android 12 however must use the same gen

Previously Android phones were allowed to be released each with modified unique kernels. All new phones which ship with Android 12 however must use the same generic Android Common Kernel, and any device-specific drivers are then attached via kernel modules. So basically from September-ish all future Android phones should be able to boot off the same image, or at least a Generic System Image.