The button combination mentioned below should work across all new Zenfones such as Asus Zenfone Max Pro M1, Asus Zenfone 5Z, Asus Zenfone Max Pro M2, etc.
- Recovery Mode
- Press and hold Volume Down + Power button together while the device is powered off.
- Let go of the Power button when you see the Asus logo but continue to hold the Volume Down button.
- Release the Volume key when your device enters recovery mode.
- Fastboot Mode
Press and hold VolumeUp + Power button together while the device is powered off.