Device Guides
Samsung Galaxy S25 Ultra
Search in Samsung Galaxy S25 Ultra
How to
Choose dual SIM settings
When you insert two SIMs into your mobile phone, you can make calls and send and receive messages from both SIMs. You can also select a default SIM for mobile data usage.
List view
Find "SIM manager"
Slide your finger downwards starting from the top right side of the screen.
Tap the settings icon.
Tap Connections.
Tap SIM manager.
Turn use of rate plan on or off
Tap the required SIM.
Tap the indicator to turn use of the rate plan on or off.
You can temporarily turn use of a rate plan on or off if needed. Please note, this is not the same as cancelling a rate plan.
If you turn on use of the rate plan, tap Turn on.
If you turn off use of the rate plan, tap Turn off.
Tap the Return key.
Select default rate plan for voice calls
Tap Calls.
Tap the required setting.
Select default rate plan for SMS
Tap Messages.
Tap the required SIM.
Select default rate plan for mobile data
Tap Mobile data.
Tap the required setting.
Return to the home screen
Tap the Home key to return to the home screen.
Slide your finger downwards starting from the top right side of the screen.
Tap the settings icon.
Tap Connections.
Tap SIM manager.
Tap the required SIM.
Tap the indicator to turn use of the rate plan on or off.
You can temporarily turn use of a rate plan on or off if needed. Please note, this is not the same as cancelling a rate plan.
If you turn on use of the rate plan, tap Turn on.
If you turn off use of the rate plan, tap Turn off.
Tap the Return key.
Tap Calls.
Tap the required setting.
Tap Messages.
Tap the required SIM.
Tap Mobile data.
Tap the required setting.
Tap the Home key to return to the home screen.
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