Wi-Fi Calling

Make calls over Wi-Fi when signal is letting you down

Wi-Fi calling icon

Stay in touch with Wi-Fi calling!

Take your connection to the next level by enabling Wi-Fi calling on your mobile device. Send texts and make calls in even more locations than before - all you need is a compatible phone and you can stay connected using Wi-Fi calling in your home or whilst you're out enjoying a coffee.

Benefits of Wi-Fi calling

phone icon

Make calls in more areas

Connect with your friends and family in even more locations

phone with a cross inside

No app required

Make calls over Wi-Fi without installing anything extra to your device

Circle with a checkmark inside

No extra cost

Wi-Fi calling is a free feature for all Asda mobile customers on our new network.

To discover more Wi-Fi calling benefits, check out our insightful blog .

yellow shard peach gradient shard blue shard

Is your device compatible?

Before you can use Wi-Fi calling, you need to make sure that your device is compatible! Smart phones such as Android or iPhone include Wi-Fi calling however, not every make and model supports calling over Wi-Fi.

Here’s a few ways you can check if yours does:

  • Consult your phone’s instruction manual
  • Check your phone manufacturer’s website
  • Inspect your phone’s call and Wi-Fi settings

Need to upgrade your phone? Shop our range today!

How to set up Wi-Fi calling


Be on our network

If you’re not already with us, order your free SIM and join the Asda mobile family


Check your phone is compatible

Not all devices support Wi-Fi calling. Check your phone’s user manual or consult the manufacturer's website


Activate Wi-Fi calling

Go to your phone settings and activate Wi-Fi calling. It’s as simple as that - you’re now all set!*

*New customers will be able to use Wi-Fi calling 7 days after activating

Crystal clear audio with 4G and 5G calling

4G and 5G calling gives you superior quality audio when making phone calls. Simply enable it on your compatible device.

Use alongside Wi-Fi calling and never struggle to make a call again!

Standard data rates apply. Find out more

4G calling icon
vertical strip of colourful shard vertical strip of colourful shard

Get started with Wi-Fi Calling today!

It’s a free feature available on all our SIM plans.

Frequently asked questions

Wi-Fi calling allows you to send and receive text messages or phone calls completely through a Wi-Fi connection, rather than relying on a mobile network signal.

4G calling, also known as “Voice over LTE”, allows you to make calls using data. The main benefit of 4G calling is its high-definition audio quality compared to standard network calls. When it’s turned on alongside Wi-Fi calling, your phone will automatically move between Wi-Fi and 4G data to keep the call connected.

When you are on a Wi-Fi network and try to make a call or send a text, your phone will automatically select the best network to use. So if you have a poor phone signal but strong Wi-Fi, you’ll automatically use Wi-Fi calling. If you have no Wi-Fi connection, Wi-Fi calling will not work.

No, Wi-Fi calling does not use any mobile data.

Wi-Fi calling is a free feature for all customers on our new network. You won’t have to pay anything extra to use it. Our standard call and text rates apply when using Wi-Fi calling. You can make unlimited calls and texts by purchasing a monthly bundle.

You don’t have to do anything to set up Wi-Fi calling! It’ll automatically be available to you as an Asda mobile customer.

If you are a new customer, you will be able to use Wi-Fi calling 7 days after activation.

You can turn Wi-Fi calling on and off through your phone’s settings. This varies depending on your make and model. By default, most phones will have Wi-Fi calling disabled as standard.

Unfortunately we are not able to offer Wi-Fi calling on the London Underground at this time.

Yes, by connecting to Wi-Fi your mobile phone is no longer using the battery to search for a network connection which drains your battery life.

The minimum speed required for voice calls is 2 Mbps, and for video calls it's 10 Mbps. Our speeds range from up to 2 Mbps, 10 Mbps, all the way up to 150 Mbps.

Asda Stores Limited (registered address: Great Wilson Street, Leeds, LS11 5AD) trading as Asda Money, acts as a credit broker not a lender, and is authorised and regulated by the Financial Conduct Authority. Asda Stores Limited only offers finance from a restricted range of finance providers. Finance provided by PayPal Credit. Terms and conditions apply. Credit subject to status, UK residents only. ASDA Stores Limited acts as a broker and offers finance from a restricted range of finance providers. PayPal Credit is a trading name of PayPal (Europe) S.à r.l. et Cie, S.C.A. 22-24 Boulevard Royal L-2449 Luxembourg.