Wi-Fi Calling allows you to make and receive phone calls even when a mobile signal isn’t available.

In the UK, seven mobile networks currently offer Wi-Fi Calling support. The technology allows you to stay connected in places where a regular mobile signal isn’t available. You’ll be able to make and receive phone calls over wi-fi in the normal way, using your regular phone number and regular price plan.

To benefit from Wi-Fi Calling, you’ll need to have a compatible handset and price plan. At the time of writing, Wi-Fi Calling is available to customers on BT Mobile, EE, iD Mobile, O2, Sky Mobile, Three and Vodafone. However, individual networks have limitations on which price plans they support (e.g. only making it available to Pay Monthly customers) and handset compatibility may also vary (especially on Android-based smartphones).

In this article, we’ll tell you everything you need to know about Wi-Fi Calling in the UK. We’ll start by discussing how the service works, before looking at how Wi-Fi Calling is implemented on different mobile networks. Finally, we’ll look at the limitations of the technology and alternative solutions if you’re not able to benefit from Wi-Fi Calling.

What is Wi-Fi Calling?

EE Wi-Fi CallingWi-Fi Calling is a fairly new technology that allows you to make and receive phone calls using only a wi-fi internet connection (it’s also known by its technical name of VoWiFi). Your wi-fi network will typically need to have a minimum speed of at least 1-2Mbps.

The technology means you’re finally able to use your phone as normal in places with patchy coverage or no mobile signal (for instance, in rural areas, basement flats and on the London Underground).

The key difference between Wi-Fi Calling and other app-based solutions such as WhatsApp, Facebook Messenger and Skype is you’re able to use your normal phone number and price plan, with no need to use or install additional applications. Because of this, it’s best suited as a solution for improving coverage and for making regular UK phone calls already included in your plan. For calling abroad, traditional app-based solutions such as WhatsApp and Skype continue to offer a better solution in most cases.

Wi-Fi Calling: By Network

Wi-Fi Calling is currently available to the following customers on BT Mobile, EE, iD Mobile, O2, Sky Mobile, Three and Vodafone:

BT Mobile

On BT Mobile, it’s possible to set up Wi-Fi Calling on any type of plan (including SIM Only, Family SIM & Pay Monthly) providing you have a compatible device with the latest software. At present, BT says the service is designed to work on the iPhone 5s or later, on the Samsung Galaxy S9, S9+ and A8 (2018).

It should also work on the following devices, but BT says they “can’t guarantee it’ll work with Wi-Fi Calling”:

  • BlackBerry Priv, Dtek 50, Dtek 60, KEYone
  • Google Pixel, Pixel XL, Pixel 2, Pixel 2 XL
  • Huawei P9, P10 Lite, P10, P10 Plus
  • HTC U Play
  • Lumia 550, 650, 950, 950XL, 1320
  • Motorola Moto E, Motorola Moto G
  • Nexus 5X, 6P
  • Nokia 3, 5, 6, 8
  • OnePlus 3, 5T
  • Samsung Galaxy, S6, S6 Edge, S7, S7 Edge, S8, S8+, A3 (2017), A5 (2017), Note 8
  • Sony Xperia XA Dual, Xperia XZ1, Xperia XZ1 Compact

If you’re connected to BT’s Wi-Fi Calling service, the network name on your phone will show as “BT WiFi Call”.

Source: BT Mobile Help: Wi-Fi Calling and how to set it up
Tariff Information: BT Mobile Website

EE

EE was the first UK network to have support for Wi-Fi Calling, with the service having been available to customers since April 2015.

To use Wi-Fi Calling on EE, you’ll need to be on an EE Pay Monthly plan (including SIM Only) or on an EE business contract. You’ll also need to have a handset that’s compatible with the service.

At present, the service is designed to work on the following devices:

  • Apple iPhone 5c, 5s, 6, 6 Plus, 6S, 6S Plus, SE, 7, 7 Plus, 8, 8 Plus, X
  • Samsung Galaxy S9, S9+, S8, S8+, S7, S7 edge, S6, S6 edge, S6 edge+, A3 (2017), A5 (2017), Note 8
  • Nokia 3, 5, 8, Lumia 550, 650, 950, 950XL
  • HTC 10, U11, U11 Life
  • BlackBerry Priv, Dtek 50, Dtek 60, KEYone
  • Google Nexus 5X, 6P, Pixel, Pixel XL, Pixel 2, Pixel 2 XL
  • Huawei P10, P10 Lite, P10 Plus, P Smart
  • Sony Xperia XZ1, Xperia XZ1 Compact
  • EE Hawk

The network name on your mobile phone will show as “EE WiFi Call” when you’re connected to the service.

Source: EE Pay Monthly Extras: Wi-Fi Calling
Tariff Information: EE Website

iD Mobile

On iD Mobile, you’ll have access to Wi-Fi Calling on all Pay Monthly plans, providing you have a compatible handset with the latest software updates installed.

According to iD Mobile, their Wi-Fi Calling service is designed to work on the following devices:

Wi-Fi Calling currently works on iPhone 5s, iPhone SE, iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus, iPhone 7, iPhone 7 Plus, iPhone 8, iPhone 8 Plus, iPhone X, Huawei Mate 10 Pro, Huawei P-Smart, Huawei Mate 20 Lite, Huawei P20, Huawei P20 Plus, Huawei P20 Lite, Huawei Y7, Huawei Honor 9 Lite, Honor Play, Honor View 10, Samsung A6 2018, Samsung J6 (2018), Samsung S8, Samsung S8+, Samsung S9, Samsung S9+ and Samsung Galaxy Note 9

If you’re using an iPhone, you’ll need to have iOS 11.2 or later, as well as the iD Mobile carrier settings version 31.1 or later. You can check this by going to Settings > General > About on your iPhone whilst connected to the iD network.

Source: iD Mobile Help: Wi-Fi Calling
Tariff Information: iD Mobile Website

O2

On O2, you’ll have access to Wi-Fi Calling on Pay Monthly and SIM Only contracts, providing you have one of the following compatible devices:

  • iPhone Xs, iPhone Xs Max, iPhone X, iPhone 8 Plus, 8, 7 Plus, 7, 6s Plus, 6s, 6 Plus, 6, SE
  • Samsung Galaxy S9, S9 Plus, S8, S8 Plus, Note8, S7, S7 edge and J3 2017, A8, A3 2017, A6, J6, J5 (2017), A5 (2017), Note9
  • Sony Xperia XZ2, XZ2 Compact, XZ Premium, Xperia XA2, Xperia XZ1, Xperia XZ1 Compact
  • Oneplus 5, 5T, 6
  • HTC U11

If you have an Android-based smartphone, your device will typically need to be running on O2-provided firmware. In most cases, this means your handset will need to have been purchased directly from O2. However, it will also work on certain handsets purchased from a third-party provider.

Source: O2 Help & Support: Personal Hotspot
Tariff Information: O2 Website

Sky Mobile

Wi-Fi Calling has been available on Sky Mobile since April 2018, but is currently available only on a very limited range of flagship Samsung and Sony smartphones.

At the time of writing, Sky says Wi-Fi Calling is compatible with the following handsets:

  • Samsung Galaxy S8, S8+, S9 and S9+.
  • Sony Xperia XZ1, XZ2 and XA2.

The handset will need to have been purchased directly from Sky on one of their Swap36 or Swap24 contracts.

Source: Sky Mobile Help: Wi-Fi Calling
Tariff Information: Sky Mobile website

Three

Three’s Wi-Fi Calling service is called inTouch.

Three offers a wi-fi calling service to all of their customers, including both Pay Monthly and Pay As You Go customers. To use the ‘inTouch’ wi-fi calling functionality, you’ll need a compatible smartphone with the latest software updates installed:

  • Apple: iPhone 8 Plus, iPhone 8, iPhone 7, iPhone 7 Plus, iPhone 6s, iPhone 6s Plus, iPhone 6 Plus, iPhone SE, iPhone 5s, iPhone 5c
  • Samsung: Galaxy Note 8, Galaxy S8 Plus, Galaxy S8, Galaxy S7, Galaxy S7 Edge, Galaxy S6, Galaxy S6 Edge, Galaxy A3 2016, Galaxy A5 2017, Galaxy J3 2017
  • LG: LG G5, LG G6
  • Huawei: Huawei P10, Huawei P10 Plus

If you have an Android smartphone that isn’t purchased directly from Three, or if you have another smartphone that isn’t listed above, it might be possible to use the Three InTouch application to add wi-fi calling to your device (available on the iPhone 4 and later, and smartphones running Android 4.0+).

Source: Three FAQ: InTouch Wi-Fi Calling
Tariff Information: Three Website

Vodafone

On Vodafone, it’s possible to use Wi-Fi Calling if you have a compatible price plan and handset. You’ll need to be a Pay Monthly customer on a Red Extra, Red Entertainment, Red or Red Value plan. Handsets currently supported by the service are:

  • Samsung – Galaxy A3 (2016 and 2017), A5 (2016 and 2017), J3 (2017), J5 (2016 and 2017), Galaxy S6, Galaxy S6 edge, Galaxy S6 edge plus, Galaxy S7, Galaxy S7 edge, Galaxy S8, Galaxy S8+, Galaxy Note8, Galaxy S9, Galaxy S9 plus, A8, XCover 4
  • iPhone – iPhone Xs, iPhone Xs Max, iPhone X, iPhone XR, iPhone 8, iPhone 8 Plus, iPhone 7, iPhone 7 Plus, iPhone 6s, iPhone 6s Plus or iPhone SE
  • Huawei – P 10, P10 Plus, Smart Mate 10 Pro, P Smart, P20 Lite, P20, P20 Pro
  • Sony – XZ Premium, XZ1, XZ1 Compact, XA2, XZ2
  • Vodafone – Smart ultra 7 and Smart platinum 7, Smart N8 (must have been bought directly from Vodafone for Wi-Fi Calling to work)

In order to activate the service, you’ll need to log in to My Vodafone. Go to Settings and Extra > Calling options and toggle the Wi-Fi Calling option to On. Once you’re connected to the Vodafone Wi-Fi Calling service, the network name on your handset will show as “Vodafone Wi-Fi”.

Source: Vodafone Network Features: Wi-Fi Calling
Tariff Information: Vodafone Website

Unfortunately, Wi-Fi Calling isn’t yet available on other mobile networks like giffgaff, Tesco Mobile and Virgin Mobile.

Drawbacks & Limitations

There are a number of key drawbacks and limitations associated with Wi-Fi Calling:

  • Wi-Fi Calling only works when you’re inside the UK.

    You can only use Wi-Fi Calling when you’re in the UK. At present, all UK mobile networks restrict things so you’re only able to use Wi-Fi Calling when you’re inside the UK. Although there’s no technical reason why Wi-Fi Calling couldn’t work abroad, there’s a fear from the mobile networks this will cannibalise their international roaming revenues (as Wi-Fi Calling could potentially allow you to bypass these charges).

  • Phone calls might drop when you move out of the wi-fi coverage area, unless your phone also supports 4G Calling. If your phone or price plan doesn’t support 4G Calling, you’ll find phone calls dropping every time you leave the range of your wi-fi network. This could also happen if there are connectivity problems on wi-fi (e.g. if heavy congestion causes the speed to drop). It isn’t possible for a Wi-Fi Calling phone call to seamlessly transfer from wi-fi to 2G or 3G.
  • Some network features aren’t compatible with Wi-Fi Calling. If you’re connected to Wi-Fi Calling, you may not be able to change certain settings (e.g. call waiting, call forwarding or withheld number settings). Some network features may also stop working e.g. call recording and conference call features.
  • Android smartphones may require network-specific firmware. If you’re using an Android smartphone on certain mobile networks like EE and O2, it will only be compatible with Wi-Fi Calling if you have the right network-specific firmware. In practice, this means your handset will need to have been purchased directly from the mobile network (as opposed to being purchased SIM-free or from retailers like the Carphone Warehouse).
  • Wi-Fi Calling will use your regular mobile network price plan. Wi-Fi Calling will always use your regular price plan. While this means you’ll be able to use the inclusive minutes on your plan, it could also mean things like international calling are prohibitively expensive.

Alternatives to Wi-Fi Calling

At present, Wi-Fi Calling is only available to customers with a compatible handset and price plan on selected mobile networks (BT Mobile, EE, iD Mobile, O2, Sky Mobile, Three and Vodafone).

If you’re struggling with poor coverage, there may be alternative solutions such as using an app or accessory for better indoor coverage. This might come in the form of a box which is designed to improve the coverage in your home.

If you’re looking to save money on phone calls (e.g. whilst travelling abroad or calling internationally), it might be worth using an app-based solution instead. For instance, applications such as WhatsApp, Facebook Messenger and Skype allow you to call people in other countries outside of your regular price plan.

More Information

For more information about Wi-Fi Calling, please see the relevant pages on the BT Mobile, EE, iD Mobile, O2, Sky Mobile, Three and Vodafone websites.

Your Comments 38 so far

We'd love to hear your thoughts and any questions you may have. So far, we've received 38 comments from readers. You can add your own comment here.

  • Sally Nicholson said:

    I have exactly the same problem, no, or very poor signal, at home through 3 network on my Moto G6+ phone although my Moto G4 worked perfectly. I bought the phone from Carphone Warehouse (more fool me) who won’t replace or refund as they say there’s nothing wrong with the phone. However, a phone that can’t be used at home or indeed in many other places is surely not fit for purpose. This is anti-competitive and is intended to compel us to take out hugely more expensive phone contracts.

  • Di Pinnell said:

    Please note: Three’s Three-In-Touch app ceased today 15th May 2019. They abandoned it explaining that most phones come with wifi-calling now (!) but only guarantee that this will work on phones they supplied. They are providing me with a box to plug in to my router to simulate their ex-App. Motorola said their phones are capable of wifi calling, but only if the service provider enables it. This makes it almost impossible to choose a new phone if you have a SIM-only contract and are used to choosing your own phone and buying it from Amazon or whoever. Sounds a bit unfair: if they improved signal coverage we wouldn’t have the problem in the first place!!!

    • Eddie J replied:

      I agree. I’ve just bought a Moto G7 Power (3 Pay As You Go Sim), which doesn’t have the Wifi calling setting available. I’ve contacted Motorola who ensure me that the phone supports wifi calling and 3 insist that their sim will enable wifi calling if the phone has wifi calling enabled.

      So everything looks like it should work, but still no wifi calling! It looks like I may be doing a lot of phone returns until I find one which works.

      Also my Wife’s Huawei P20lite does provide wifi calling with a 3 Pay As You Go Sim, but given Huawei’s current problems I don’t want to go down that route.

  • Dave Robertson said:

    I bought a OnePlus 6 from o2 in June, and I switched from Three to EE in the last month.

    I was very pleased to see that the phone seems to support WiFi calling natively, which is surprising because it doesn’t have any carrier firmware (and if it did, it’d be O2’s, since I got it from them).

    It doesn’t work on the tube WiFi though, unlike my Pixel 2 XL. I assume that’s down to a lack of “official” support.

  • John Haworth said:

    Bought a Nokia 5 at car phone warehouse with a £10 ee pay as you go SIM which I did not activate. Put in my bt SIM only card switched on Wi-Fi calling and now I get ee Wi-Fi calling almost all the time at home because of the very poor signal and it is just like having 5 bars, it’s wonderful. My phone tells me it is connected to ee wifi calling and not bt Wi-Fi calling even though it is a bt sim.

  • I have a LG K8 phone which is using wi-fi calling. The phone decides it does not want to continue working about 30% of the time and drops back to normal calls. Getting the phone to reconnect to Wi-Fi calling is very difficult. As I have virtually no signal then this service is useless. Quality of calls, when it is working, is poor with poor transmit volume and frequent call dropping. I had the same problems with my Lumia phone. My broadband is fibre at 38Mbps so the issue is not there. In my view wi-fi calling is very unreliable.
    Robin

  • We have had OWE, wifi calling, enabled near work. Unfortunately there are known issues with this system and it can stop your phone falling back from 4g to 3g, which is used for calls by older smart phones. The symptom is that you can make calls but not recive them, you don’t see the missed calll in your call log either..

    I’ve had this problem in certain locations for over two months now and it has taken a concerted effort by a large number of users and my employers to get any traction at all. It still isn’t fixed.

  • My wife has just set this up on her iPhone and the results been mixed at best. She uses it for business calls at home where there is a weak EE signal. However the phone is reluctant to use our wifi although she is sat next to apple airport express and we have great broadband. When she makes calls they default to the normal phone signal (i.e. not wifi calling) and she struggles away on the weak phone signal with poor quality / drop-outs.

    When we experimented by changing the carrier setting on the phone (i.e. away from EE so it could not use the phone signal) the call defaulted to wifi and it worked really well. The same effect was achieved by turning to flight setting and turning wifi back on. However…..if she stays in this mode it won’t take incoming calls – so she has to switch back at the end of the call – all it all its proved to be a bit of a waste of effort!

    Any thoughts?

    • Hi Rupert,
      I use EE’s wi-fi calling on my own phone and I agree, it can be a little hit and miss as to whether it uses wi-fi for calling (I believe the phone automatically detects whether the wi-fi network is fast enough and will then choose either 3G or wi-fi based on that). I’m not sure if there’s any way of adjusting the priority (e.g. to use wi-fi preferentially) – this is something you might need to check with your manufacturer or EE?
      Ken

  • I’ve just bought a Nexus 6P from Google (not EE!) and have persuaded Customer Services to enable WiFi calling. It works a treat!

    It looks like the restriction on phones bought from EE only is just there to get you to buy phones from EE!

    • Hi Alex,
      Thanks – great feedback! I’ve just tried this on my Nexus 6P from Google as well – I enabled the wi-fi calling option in the settings, restarted the phone and it now works on EE’s wi-fi calling! I wonder if this might be specific to the operating system, however, it’s possible some older versions of Android lack the wi-fi calling software.
      Thanks again,
      Ken

  • Hi I’m using ee wifi from home as the mobile signal is weak. However when I ring out it seems the caller id is set to ‘international’ which is putting people off answering given the prevalence of unsolicited calls these days. Is there a setting that will ensure my mobile number is displayed? I’m using an iPhone 6. Thanks

  • Just as a small correction to the article, it states that there is no handover from WiFi calling to mobile network. I can’t speak for WiFi calling “proper”, but certainly on Blackberry UMA version (which I use extensively while working at one particular location) there is handover from UMA>mobile but not vice-versa.

    • Hi Jon,
      Thanks for the feedback about UMA on the BlackBerry! Unfortunately, as it stands at the moment, there’s no handover between EE Wi-Fi Calling and the mobile phone network. For more information, you can see the ‘How it works’ section of this EE help article.
      Ken

  • In UK, I have a Lumia 640 with EE which worked fine with WIFI CALLING using Windows Phone 8.1. However, since upgrading to Windows 10.0.13005.0, Wifi Calling switch does not toggle on.

  • Hi ken
    I recently upgraded to an s6 from the note 2 to make use of wifi calling. All done through ee shop. It didn’t work on the phone at all. When I contacted EE on 150 they stated that there was problem with the software on both iPhones and Samsungs and they’re waiting for the companies to sort it out. When I took the phone back to the shop they said they have not heard anyone complain. They even called Samsung who said they knew of no problems… do you know if there have been any issues and what handset would produce most reliable wifi calling?

    • Hi Simon,
      Thanks for your comment. I’m not aware of any known issues with wi-fi calling on the Galaxy S6 (for a better answer, you might want to try posting your question on the EE Community). All I’d really be able to say is to make sure you have the latest software on your handset (go to Settings > About device > Software updates).
      Ken

  • Hi Ken

    You said in one of your earlier comments that I can access wifi calling from my iphone 6 even if i bought it from cpw?? how do i do this as when it is turned on it does nothing??
    Thanks
    Caroline

  • I just bought an ee 24 mth contract for Samsung s6 through a 3rd party….from reading this I now know why I don’t get wifi calling but surely there is an app or update that can let me get my calls over wifi us g my number

    • Hi Russell,
      Thanks for your comment. Unfortunately, there isn’t a third-party app that allows you to receive phone calls on the normal EE number. This is because such an application would need to hook in to EE’s network (at the moment, only their Wi-Fi Calling service is able to do this). Sorry 🙁
      Ken

      • I accept all that but as a contract ee customer I am being discriminated against by ee becouse I bought my phone via 3rd party…..just found out this effects all car phone warehouse customers too……everyone still pays ee but now ee has a class system

        • Hi Russell,
          Unfortunately, this problem arises due to software limitations.
          When the Carphone Warehouse provides you with a handset, it’s the SIM-free version that works on any network. The handsets are provided with generic UK software: there are no additions or changes from EE. Unfortunately, as the generic software doesn’t support Wi-Fi Calling, you aren’t able to use Wi-Fi Calling on these handsets.
          With the EE-provided Android & Windows Phone handsets, you’ll normally get an EE-locked handset with modifications and customisations added by EE. As Wi-Fi Calling is one of the EE additions, you’ll need an EE-provided handset to use Wi-Fi Calling. For the iPhone, a slightly different situation applies. As Apple have included Wi-Fi Calling in the basic software, you can use the feature even on CPW iPhones.
          I agree, however, EE should probably do more to publicise the fact that Wi-Fi Calling only works on EE-provided handsets.
          Ken

          • Craig Hallam replied:

            Hi there. I’m looking to move to EE from Vodafone but we live in an area with very poor signal. We have the Sure Signal with Vodafone and we are interested in the EE Signal Box. I know Wifi Calling is available but only if you want to spend £15 a month more getting exactly the same deal from EE itself rather than a third party!!! Does anyone know how much the EE Signal Boxes are and if they will supply one to someone who has purchased a contract through a third party? We would stay with Vodafone but the general signal and 4G appears to be well behind EE!!??… Any help or advice would be greatly appreciated before we jump ship.

  • Great idea but hopeless in execution. I have fibre broadband but rubbish EE signal so delighted to get wifi calling but even standing 3 feet from the HomeHub 5 the calls keep dropping out. Orange tried this with Blackberry devices a few years ago and that didn’t work either. Like 4G, a good idea but rubbish in practice.

    • Belated response…but the problem is likely with your Home Hub’s firmware &/or security settings. My S5 will display the WiFi Calling icon whenever it’s in range of WiFi, except when I’m at home – where I have an HH5. A bit of internet poking yesterday revealed that this is a pretty common problem for BT/EE users. I haven’t solved it yet, but will give it a go & report back if that would be useful.

  • Hi
    I got a message from the people’s operator who currently use ‘EE’ network, they told me it will work on comparable handsets, I’m on a iPhone 5’s latest software on the monthly tariff option, they install a profile for Internet on your phone. I don’t have the wifi calling option now in my settings.
    Thanks
    Tony

    • Hi Tony,
      Thanks for your comment. Wi-Fi Calling is actually available only on EE. It’s not available on EE MVNOs. I believe TPO have probably made a mistake if they sent you a message saying Wi-Fi Calling is available?
      Ken

  • Hi Ken
    My phone, a Samsung Galaxy S5, used in the same way as 5 month ago in Karachi, with the EE full package in the UK.
    I am in Karachi again with aeroplane mode turned on, mobile data off and wi-fi on.
    I am now receiving calls (missed calls except from one where we spoke for a few minutes) and full messages.
    Full telephone signal unlike the last trip.
    I am in the same situation as the earlier UK writer in the USA.
    Thanks
    Ghaffar
    Northwood,middlesex,uk

  • Hi Ken I have followed your instructions Tap Settings > Wi-Fi on your iPhone. When WiFi is enabled, your phone will search for available WiFi networks. Tap the name of the network you want, enter the password and choose to join. Once you’re connected, you’ll see the WiFi logo appear in the status bar at the top left of your display.
    When I tape the name of the network I want, I do not get asked for a password to join. I am on the EE contract through carphone warehouse. Thanks for any insight.

    • Hi Jayne,
      Thanks for your comment. There’s no need to enter a password for all wi-fi networks (you’ll only need it on password-protected networks that you haven’t connected to before in the past). Are you able to follow the rest of the instructions with regards to enabling the feature in Settings > Phone > Wi-Fi Calls?
      Ken

  • rosemarie sutherland said:

    I am currently out of the UK. I updated my Samsung Galaxy 5 this morning and noticed a drastic change. Although my mobile data is off and airplane mode on , I have received several mobile messages from ee. I have also noticed a new icon…wifi signal with a telephone below and I was able to make a call to the UK. I do hope am not charged because I have taken every precaution to ensure that this does not happen. Upon research, I realised that ee has launched a wifi cslling service which is limited to the UK. My questions are: Why are calls to Uk connecting although am outside the country? Am I being charged?

    • Hi Rosemarie,
      Thanks for your comment. Did you receive a text message from EE when abroad? If so, I’d double-check to make sure flight mode has been disabled all of the time (it shouldn’t normally be possible to receive a text message unless you have a mobile signal). It’s also possible you could have received this message using EE Wi-Fi Calling. Can you double-check to see whether the feature is enabled on your Galaxy S5? You can do this through Settings > Call > WiFi Calling. If your phone was on flight mode and if you haven’t connected to a mobile network abroad, EE may still think you’re in the UK (hence why you’re able to use the service). With regards to the question of whether you were charged, I’d recommend having a look at the My EE website.
      Hope this helps and do let me know what you discover from the above!
      Many thanks,
      Ken

      • rosemarie sutherland replied:

        Thsnks for your reply Ken. Yes, I received several text messages and calls as well.This is while the flight mode is on and mobile data off. Yes, am abroad (USA). I also called ee 150 and spoke with an agent who told me this should not be happening if flight mode is on…but yes, it’s on. I can see the icon on my phone and I have also checked. I’ve been away now for the past two weeks and this wasn’t happening. Since I’ve updated my Samsung Galaxy 5 this morning, I was alerted by a message from ee hence my research. the wifi icon with the little telephone image is still on my phone as well as the flight mode icon.

        • Hi Rosemarie,
          Count me in as totally stumped by this question! As you say, the phone shouldn’t be able to receive regular calls or text messages when stuck in flight mode (you can still receive iMessage/WhatsApp/Skype/Facebook calls etc). Could you kindly double check something for me quickly? On the Galaxy S5, could you go to Settings > More > About device > Status? It would be interesting to see the readings for Network, Signal strength, Mobile network type and Service state. On my device, when it’s put into Flight mode, it says: Unknown, -113dBm 0asu, Unknown, Radio off. If your smartphone is showing some information here, the Flight Mode feature may be working incorrectly. As a final thing, have you received any phone calls or text messages when not connected to wi-fi? Or do they only come in when you have a wi-fi connection?
          Many thanks,
          Ken

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