Quick Answer
VoLTE may not be enabled due to carrier settings or phone configuration. Restart your device and check that both VoLTE and mobile data are turned on in network settings.
Key Takeaways
- Always enable mobile data before making a VoLTE call.
- Update your phone’s OS regularly to fix known network bugs.
- Carrier support varies—check with your provider before troubleshooting.
- Some phones hide VoLTE under 'Advanced' menu—look carefully.
- If one app works but not another, check app permissions for cellular access.
How How to fix VoLTE not working on your phone Works
How to Enable and Troubleshoot VoLTE on Android and iPhone
What You'll Need
Open Settings on your phone.
Navigate to Network & Internet or Cellular/Mobile Networks.
Select Mobile Network, then look for 'Voice & SMS' or 'VoLTE' options.
Toggle on 'VoLTE Calls' or 'HD Voice'.
Ensure mobile data is enabled during calls.
Restart your device to apply changes.
Make a test call to verify HD audio quality.
Troubleshooting & Solutions
Common Problems & Solutions
VoLTE is either disabled in settings, the SIM isn't provisioned for VoLTE, or the carrier hasn’t activated it for the user’s line.
- 1Ensure you have 4G/LTE coverage and mobile data is turned on.
- 2Go to Settings > Network & Internet > Mobile Network > Advanced > Voice & SMS or similar path (varies by device).
- 3Enable 'VoLTE' or 'HD Voice' toggle if available.
- 4Restart your phone after changing settings.
- 5Contact your carrier to confirm VoLTE is activated on your account.
- Enabling VoLTE without checking carrier support.
- Forgetting to restart the phone after changing settings.
Frequently Asked Questions
VoLTE (Voice over LTE) enables high-definition voice calls over 4G data networks, offering clearer sound and faster call setup than traditional 3G calls.
Sources & References
- [1]Technical Guide: How to fix VoLTE not working on your phone
Klshepedia Tech Team, 2026