Support / Getting started / Phone and computer / Samsung
Private DNS on Android uses your DoT custom URL.
These steps are for Android on Samsung phones. If you have an installation that's closer to stock Android, please refer to these steps instead.
Go to Settings and find Connections

Towards the bottom, choose More connection settings

Towards the bottom, choose Private DNS

Put in your custom URL:
{{valueIfPremium(dotUrl( user.username),user.premium)}}
