Device guides for

Samsung Galaxy S25 Ultra

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Insert SIM Set up your mobile phone for SMS Set up your mobile phone for internet Install apps from Google Play

Getting started

Basic functions

Calls and contacts

Messages and email

Manage apps and data

Internet and data

Troubleshooting

Specifications

Select Bixby settings

You can control many of the phone functions with your voice. You can call contacts from the address book, dictate messages and search the internet. To select voice control settings, you need to activate your Samsung account on your mobile phone.