Ro.boot.vbmeta.digest -

adb shell cat /proc/cmdline | grep -o 'androidboot\.vbmeta\.digest=\S*'

Because the digest is a unique hash of the specific software build's metadata, it is often used by developers to identify exactly which version of firmware a device is running. It is more precise than a version number because it accounts for the exact binary state of the boot images. 3. Troubleshooting "Boot Loops" ro.boot.vbmeta.digest