When iPhone Wi-Fi calls cannot be used, first confirm whether the function is enabled: go to Settings > Phone > Wi-Fi calls to make sure that the switch is on and the display number is registered; secondly, check whether the Wi-Fi network is stable, give priority to using the 2.4GHz frequency band and avoid public hotspots; then try restarting the device and resetting the network settings (the Wi-Fi password will be cleared); then confirm whether the operator supports this function and has been enabled for you; finally check whether the SIM card is plugged in or is damaged, and contact the operator or Apple support for further troubleshooting if necessary.
Wi-Fi Calling for iPhone is a very practical feature, especially in places with weak signals, such as at home or underground parking. But sometimes you will find that this function cannot be used properly. If you encounter the problem of "iPhone Wi-Fi calling not working", here are some common reasons and solutions.
Check whether the Wi-Fi calling function is enabled
First make sure you have enabled this feature manually on your iPhone. Although most operators support it by default, users need to actively enable it.
Operation steps:
- Open Settings
- Enter the phone
- Click on Wi-Fi to call
- Make sure the switch is on and that your mobile phone number is registered
?? Note: If "not activated" is displayed here or it keeps spinning, it may be a problem with the network connection or operator settings.
Confirm that the Wi-Fi network connection is normal
Wi-Fi calls rely on a stable internet connection. Even if you can access the Internet and watch videos normally, it does not mean that it is definitely suitable for calling.
It is recommended to check the following points:
- Are you using Wi-Fi at 2.4GHz or 5GHz? Generally speaking, 2.4GHz is more stable and suitable for voice transmission
- Is public Wi-Fi connected? Some public hotspots restrict VoIP services, causing Wi-Fi calls to fail
- Try to switch to another network to see if it is restored, such as using a hotspot test for mobile phones
Restart the device and reset network settings
Sometimes a temporary system error can cause Wi-Fi calls to fail. In this case, you can try the following simple operations:
- Close and re-open iPhone
- Turn off Wi-Fi and turn on for a few seconds
- Select Restore Network Settings in Settings > General > Restore (Note: This will clear all saved Wi-Fi passwords)
If these operations still fail, you may need to contact the operator to confirm whether they support the feature or whether there are account-level restrictions.
Check whether the operator supports Wi-Fi calls
Not all carriers offer Wi-Fi calling capabilities, especially some virtual operators (MVNOs) may disable this service.
You can do this:
- Log in to the operator's official website to view service instructions
- Call customer service to confirm whether Wi-Fi call permissions have been enabled for you
- Make sure the SIM card is plugged in well and it is not damaged
If you have changed the number or SIM card, it may also cause the original settings to fail. Inserting the SIM again or restarting the phone may help.
Basically, these common causes and solutions. If all the above has not been restored yet, it may be a software bug on the carrier server or iPhone itself. You can consider upgrading the system or going to the Apple support page to report the problem.
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