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What is Wi-Fi and 4G calling?

Wi-Fi Calling lets you make and receive voice and video calls over a Wi-Fi connection instead of using your mobile network. If you have a Wi-Fi connection and are in an area where voice service is weak or unavaila ...

How can I set up Wi-Fi and 4G Calling?

As long as you have a 4G SIM and compatible phone, 4G Calling is enabled automatically. For Wi-Fi Calling, find out how to get started by clicking here. ...

How can I tell whether I’m using Wi-Fi or 4G Calling?

If you’re using an Android phone, keep an eye out for the "VoLTE" and "VoWiFi" icons at the top of your screen. If you’re using an iPhone, there’s no icon to let you know whether you’re con ...

Does Wi-Fi or 4G calling cost extra?

There’s no extra charge for Wi-Fi or 4G calls, and they’ll come out of your monthly allowance as usual. If you go over your allowance, you’ll be charged your standard out-of-bundle rates. ...

What’s 5G? How can I upgrade to it?

5G is fast, faster than anything you’ve experienced before. Stream videos at higher resolution, enjoy better quality video calls, and download films in seconds. 5G has more capacity, allowing more connections in ...

Does 5G replace 4G?

5G works with 4G but it doesn’t replace 4G. If you have a 5G handset and you’re on our Unlimited+ plan, you will have access to 5G. Your phone will automatically connect to 4G and 5G parts of the network at th ...

How do I remove 'Find My iPhone' from my phone?

The steps to remove "Find My iPhone" from your iPhone will depend on whether the device is working or not. If the device is still working, back up all your personal data, as all data will be wiped once the phone r ...

How can I update my mobile number and iMessage on iPhone?

If you've just transferred your number to phones4u.com and have an iPhone, you may need to update your iPhone number and iMessage in your device settings. To update your iPhone number, go to Settin ...

How do I set up iMessage on iOS devices?

To set up iMessage on an iPhone or iPad, go to Settings, click Messages, turn on iMessage, enter your Apple ID and password, and click Sign in. ...