You can turn on the Data saver and turn off Autoplay video previews to save mobile data.
After turning on the Data saver on the Google app, Discover won't refresh as often.
How to turn on Data saver in Google app on Android phone
To turn on Data saver on Google app:
- Tap Profile photo at top-right and select Settings.
- In Settings, tap General.
- In General, turn on the toggle next to the Data saver.
How to turn off Autoplay video previews in Google app on Android phone
To turn off Autoplay video previews on Google app:
- Tap Profile photo at top-right and select Settings.
- In Settings, tap General.
- In General, tap on Autoplay video previews and select Never or Only on Wi-Fi.
Select Never to completely turn off Autoplay.
Currently, I am using Google app version 13.3.23.23. So these settings may be different in different versions.