Samsung Galaxy S21 Ultra
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Connectivity
Device home
Getting started
Basic functions
Calls, contacts, messaging
Connectivity
Specifications
Device home
Getting started
Basic functions
Calls, contacts, messaging
Connectivity
Specifications
Troubleshooting
It's not possible to use my phone's internet connection
It's not possible to use Wi-Fi
It's not possible to use my phone as a Wi-Fi hotspot
My phone uses a large amount of mobile data
Network and internet
Selecting network
Selecting network mode
Turning flight mode on or off
Selecting dual SIM settings
Setting up your phone for internet
Data usage
Viewing data usage
Turning mobile data on or off
Turning data roaming on or off
Wi-Fi
Connecting to a Wi-Fi network
Using your phone as Wi-Fi hotspot
Turning automatic use of mobile data on or off
Turning Wi-Fi calling on or off
Bluetooth
Pairing a Bluetooth device with your phone
GPS
Turning GPS on or off
Backup and synchronisation
Backing up pictures and videos to Google Drive
Transferring files between computer and phone
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