WiFi Calling Not Working

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WiFi Calling Not Working guide with steps, settings, troubleshooting, FAQs and related UK mobile network fixes.

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WiFi Calling Not Working

Step Action What It Fixes
1Check your network statusConfirms if issue is network-wide
2Toggle aeroplane mode on/offRe-registers SIM on your network
3Restart your phoneClears temporary network errors
4Check your network APN settingsFixes incorrect data configuration
5Re-insert SIM cardFixes poor SIM contact issues
6Contact your network supportResolves account or SIM faults

This guide covers everything you need to know about wifi calling not working on your mobile network, including setup steps, troubleshooting tips and useful codes.

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Troubleshooting checklist

Move through them in order; each is built to follow the last

Step 1Check APNStep 2Select APNStep 3Toggle flight modeStep 4Restart phoneStep 5Test data
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Enable Wi-Fi Calling for better indoor coverage
iPhone: Settings → Mobile Data → Wi-Fi Calling → On
Android (Samsung): Settings → Connections → Mobile Networks → Wi-Fi Calling → On
No extra charge — uses your existing call and text allowance. Ideal where indoor mobile signal is weak.

Setting up on your mobile network (WiFi Calling Not Working)

Most call and voicemail features are configured through phone settings or by dialling short codes — the UK APN Hub has the latest codes for your plan.

Useful mobile network codes (WiFi Calling Not Working)

The GSM codes below for forwarding and voicemail are identical on every UK network:

Divert all calls: Dial **21*[number]# and press call.

Divert when busy: Dial **67*[number]# and press call.

Divert when no answer: Dial **61*[number]# and press call.

Cancel all diversions: Dial ##002# and press call.

Check voicemail: Hold down the 1 key or dial your voicemail number.

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Fastest way to apply new APN settings
After saving, turn aeroplane mode ON for 10 seconds, then turn it OFF. This forces an immediate network re-registration — quicker than a full restart and equally effective.

Fixing common issues (WiFi Calling Not Working)

If calls aren't working correctly, try toggling aeroplane mode, restarting the phone, and checking signal strength. For persistent issues, contact the UK APN Hub.

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Troubleshooting checklist

They work as a sequence, so continue on if a step doesn't help

Step 1Check APNStep 2Select APNStep 3Toggle flight modeStep 4Restart phoneStep 5Test data

What does WiFi calling do? (WiFi Calling Not Working)

WiFi calling routes calls and texts over a WiFi connection rather than the mobile network — handy anywhere mobile signal is weak or absent but WiFi is available, whether at home, at work or travelling. It draws on the same minutes and texts allowance as normal.

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Troubleshooting checklist

WiFi Calling hands calls off to your broadband whenever the mobile signal is too weak to carry them

Step 1Check APNStep 2Select APNStep 3Toggle flight modeStep 4Restart phoneStep 5Test data
💡
Enable Wi-Fi Calling for better indoor coverage
iPhone: Settings → Mobile Data → Wi-Fi Calling → On
Android (Samsung): Settings → Connections → Mobile Networks → Wi-Fi Calling → On
No extra charge — uses your existing call and text allowance. Ideal where indoor mobile signal is weak.

Turning on WiFi calling on iPhone (WiFi Calling Not Working)

On iPhone: Settings → Phone → WiFi Calling, then switch on WiFi Calling on This iPhone. An emergency address confirmation may be needed. Once active, a WiFi icon shows beside the carrier name in the status bar.

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Troubleshooting checklist

When mobile signal can't carry a call, WiFi Calling passes it to broadband instead

Step 1Check APNStep 2Select APNStep 3Toggle flight modeStep 4Restart phoneStep 5Test data
💡
Enable Wi-Fi Calling for better indoor coverage
iPhone: Settings → Mobile Data → Wi-Fi Calling → On
Android (Samsung): Settings → Connections → Mobile Networks → Wi-Fi Calling → On
No extra charge — uses your existing call and text allowance. Ideal where indoor mobile signal is weak.

Turning on WiFi calling on Android (WiFi Calling Not Working)

Most Android phones: Settings → Network & Internet → Mobile Network → WiFi Calling. Samsung Galaxy: Settings → Connections → Mobile Networks → WiFi Calling. Pixel: Settings → Network & Internet → Calls & SMS → WiFi Calling.

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Troubleshooting checklist

WiFi Calling switches calls to broadband the moment mobile signal gets too weak

Step 1Check APNStep 2Select APNStep 3Toggle flight modeStep 4Restart phoneStep 5Test data
💡
Enable Wi-Fi Calling for better indoor coverage
iPhone: Settings → Mobile Data → Wi-Fi Calling → On
Android (Samsung): Settings → Connections → Mobile Networks → Wi-Fi Calling → On
No extra charge — uses your existing call and text allowance. Ideal where indoor mobile signal is weak.

What you need for WiFi calling (WiFi Calling Not Working)

Three things are needed: a plan that supports WiFi calling (most current UK plans do), a compatible device, and an active WiFi connection. iPhone users may also need a carrier settings update via Settings → General → About.

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Troubleshooting checklist

If mobile signal isn't strong enough, WiFi Calling routes the call over broadband

Step 1Check APNStep 2Select APNStep 3Toggle flight modeStep 4Restart phoneStep 5Test data
💡
Enable Wi-Fi Calling for better indoor coverage
iPhone: Settings → Mobile Data → Wi-Fi Calling → On
Android (Samsung): Settings → Connections → Mobile Networks → Wi-Fi Calling → On
No extra charge — uses your existing call and text allowance. Ideal where indoor mobile signal is weak.
💡
Fastest way to apply new APN settings
After saving, turn aeroplane mode ON for 10 seconds, then turn it OFF. This forces an immediate network re-registration — quicker than a full restart and equally effective.

Fixing WiFi calling issues (WiFi Calling Not Working)

If the option is greyed out, the device or plan may not support WiFi calling — check with your provider that it's enabled.

Dropped calls during WiFi-to-mobile handover are normal — staying on one connection avoids the interruption.

If WiFi call quality is poor: get closer to the router, confirm upload speed is at least 1Mbps, and try a router restart.

📶

Troubleshooting checklist

Try them one after another — they're designed to build on each other

Step 1Check APNStep 2Select APNStep 3Toggle flight modeStep 4Restart phoneStep 5Test data
💡
Enable Wi-Fi Calling for better indoor coverage
iPhone: Settings → Mobile Data → Wi-Fi Calling → On
Android (Samsung): Settings → Connections → Mobile Networks → Wi-Fi Calling → On
No extra charge — uses your existing call and text allowance. Ideal where indoor mobile signal is weak.

Frequently Asked Questions About WiFi Calling Not Working

Why is your network mobile data not working?
your network mobile data may stop working due to an incorrect APN, a temporary network outage, an expired data plan, or a SIM issue. Follow the steps in this guide to identify and fix the cause.
How do I reset my your network APN settings?
On Android: go to Settings → Network → Mobile Networks → Access Point Names, then tap the menu and select 'Reset to default'. On iPhone: go to Settings → General → Transfer or Reset iPhone → Reset → Reset Network Settings.
Does your network have a network outage in my area?
Check your network website or their social media channels for real-time outage information. You can also check third-party sites like Downdetector for user-reported your network outages.
Why does your network show signal but no internet?
If your network shows signal but no internet, the APN settings may be incorrect or missing. Check the APN settings on your device and compare them to the correct your network values in our APN guide.
How long does a your network outage usually last?
Most your network outages are resolved within a few hours. For planned maintenance, your network usually notifies customers in advance. Check your network status page for current updates.