Gmail Dark mode for Android iPhone and iPad | how to enable and disable

Dark mode and light mode is available in gmail. you can change from light mode to dark mode in gmail now.

Android
Currently it is available only for android 10 (Android device version Q or later). You can go to setting and check if you are using Android device version Q or later you can change to dark mode; for that follow the instruction bellow from google support:

iPhone/iPad
Currently you have three option to choose for iOS 13.
1. Dark Theme
2. Light Theme
3. System Theme

If you are using iOS 11 or iOS 12 you have 2 option to choose.
1. Dark Theme
2. Light Theme

how to change; follow the instruction bellow from google support:

Fore More info and update: https://support.google.com/mail/answer/9460619?co=GENIE.Platform%3DAndroid&hl=en&oco=0