Are you looking to root a specific older Zenfone model, or are you trying to unlock the bootloader on a newer device like the Zenfone 9 or 10?
You may still find community-developed tools or archived official APKs (like UnlockTool_9.1.0.3 ) to open the bootloader before rooting. Recommended Rooting "APK" Solutions root zenfone apk better
To verify that your device has been successfully rooted: Are you looking to root a specific older