This depends on your device model and its VoLTE configuration.
To continue making and receiving calls, your smartphone must:
• Be VoLTE compatible
• Have the VoLTE option available in the settings
• Run Android 15 or later (for Samsung) or iOS 16 / 26.1 or later (for iPhone)
How to check if VoLTE is available?
iPhone
This refers to iOS version 16. From iOS version 26.1 onwards, VoLTE is automatically installed and no longer visible. Please select 5G automatically.
Open Settings
Tap Mobile Data
Select Options
Go to Voice & Data
Result :
• If you see VoLTE → your device is compatible
• If you do not see VoLTE → your device is probably not compatible
Android (Samsung)
Open Settings
Go to Connections
Tap Mobile Networks
Result :
• If the option VoLTE Calls appears → device compatible
• If the option does not appear → device probably not compatible
How to activate VoLTE?
iPhone
Open Settings
Tap Mobile Data
Select Options
Go to Voice & Data
Select VoLTE
Android (Samsung)
Open Settings
Go to Connections
Tap Mobile Networks
Enable VoLTE Calls
How to update your smartphone?
Update Android (Samsung – Android 15 or later)
Open Settings
Go to Software Update
Tap Download and install
Restart your smartphone
Result :
• If Android 15 or later is offered, install it
• If no update is available, your device will probably not be able to upgrade to Android 15
Update iPhone (iOS 16 or later)
Open Settings
Go to General
Tap Software Update
Select Download and install
Check your software version
Samsung (Android)
Open Settings
Go to About phone
Check Android version
• Android 15 or later → compatible
• Android 14 or lower → update required
iPhone
Open Settings
Go to General
Tap About
• iOS 16 or later → compatible
• Below → update required
Important information
• Not all smartphones can be updated to Android 15 or iOS 16
• Even a recent smartphone does not automatically guarantee VoLTE compatibility
• Depending on the model, the VoLTE display may vary
• If your device is not compatible, changing your smartphone may be necessary to continue making calls
Need help?
If in doubt, our MUCHO customer service team is here to help.