Turn off Data Saver mode from the Settings widget You can create a dedicated Data usage widget on the Android home screen and access essential information like mobile data usage, data warning and ...

Another method to avoid receiving messages on WhatsApp is to turn off mobile data for the app and prevent it from running in the background.

On my iPhone, I can go to Settings > Cellular to monitor data usage for individual apps and turn off mobile data access for those I don't need online all the time.