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Help and support for
Samsung Galaxy S25 Ultra

Android 15
Samsung Galaxy S25 Ultra

Most viewed guides

Insert SIM
Restart your phone
Improve battery life
Activate eSIM on your phone
Change ringtone

undefined for your Samsung Galaxy S25 Ultra

First steps

Insert SIM
Turn your phone on and off
Charge your phone
Activate your phone
Transfer content from another phone
Activate Google account on your phone

Security settings

Turn SIM lock on or off
Turn the lock code on or off
Select settings for Find My Device
Use Find My Device

Sound and screen settings

Change ringtone
Turn silent mode on or off
Set date and time on your phone
Turn notifications on or off
Turn automatic screen rotation on or off
Personalise your phone's home screen
Screenshot on your phone
Record the screen on your phone

eSIM

Activate eSIM on your phone

Calls and voicemail

Turn call barring on or off
Turn WiFi Calling on or off
Save voicemail number
Set up voicemail
Cancel all diverts

App management

Install apps from Google Play
Uninstall apps
Close apps
Use split screen view
Use Gemini on your phone
Use Galaxy AI on your phone
Use music player
Set an alarm
Cast media content from your phone to another device
Clear your cache

Battery usage

Improve battery life

Restart

Restart your phone

Update and restoring factory settings

Update your phone
Factory reset your phone

Network settings

Change network
Change network mode
Turn airplane mode on or off
Use dual SIM
Reset network settings

Internet and WiFi

Set up your phone for internet
Connect to a WiFi network
Use hotspot on your phone
Turn automatic use of mobile data on or off

Data usage

Check data usage
Turn mobile data on or off
Turn roaming on or off

Bluetooth

Connect to a Bluetooth device

GPS

Turn GPS on or off

Backup and synchronisation

Back up pictures and videos to Google Drive
Transfer files between computer and phone