Device guides for

Samsung Galaxy S23 Ultra

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View app activity Turn use of PIN on or off List of screen icons Choose dual SIM settings

Getting started

Basic functions

Calls and contacts

Messages and email

Manage apps and data

Internet and data

Troubleshooting

Specifications

Use dark mode

You can set your mobile phone to use a dark theme so you can use your mobile phone in dark surroundings and not inconvenience other people. Furthermore, you can create a schedule for automatic change of theme at certain times.