O2

O2 Outage Report in Dundonald, Northern Ireland

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O2 is the commercial brand of Telefónica UK Limited offering mobile phone and mobile internet service, including voicemail and SMS. With over 25 million customers, O2 runs 2G, 3G and 4G networks across the UK. O2 previously offered home broadband service.

Problems in the last 24 hours in Dundonald, Northern Ireland

The chart below shows the number of O2 reports we have received in the last 24 hours from users in Dundonald and surrounding areas. An outage is declared when the number of reports exceeds the baseline, represented by the red line.

O2 Outage Chart in Dundonald, Northern Ireland 10/19/2025 18:15

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Most Reported Problems

The following are the most recent problems reported by O2 users through our website.

  1. Phone (53%)

    Phone (53%)

  2. Internet (27%)

    Internet (27%)

  3. Total Blackout (13%)

    Total Blackout (13%)

  4. Wi-fi (3%)

    Wi-fi (3%)

  5. E-mail (2%)

    E-mail (2%)

  6. TV (1%)

    TV (1%)

Live Outage Map Near Dundonald, Northern Ireland

The most recent O2 outage reports came from the following cities: Belfast, Lisburn and Carrickfergus.

Loading map, please wait...
City Problem Type Report Time
United KingdomBelfast Internet
United KingdomLisburn Phone
United KingdomCarrickfergus Total Blackout
United KingdomBelfast Phone
United KingdomBelfast Phone
United KingdomBelfast Phone

Community Discussion

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Beware of "support numbers" or "recovery" accounts that might be posted below. Make sure to report and downvote those comments. Avoid posting your personal information.

O2 Issues Reports Near Dundonald, Northern Ireland

Latest outage, problems and issue reports in Dundonald and nearby locations:

  • timjacko09 timjacko09 (@timjacko09) reported from Ballygowan, Northern Ireland

    @O2 I’m having problems sorting out the “extra” that came with my recent upgrade. Today is day 28, I need to choose today. Please help asap!

  • irishangel84 Shauna (@irishangel84) reported from Belfast, Northern Ireland

    @O2 Don't care about Peter Kay tickets but I can't even get my Friday Greggs treat 🙈🙈🙈

  • roryg2009 Rory Gallagher (@roryg2009) reported from Belfast, Northern Ireland

    @o2 I resorted to emailing the CEO today @LutzSchueler because no one will help me with refunding me for an order I cancelled and didn't receive...

  • GeorgeCowan Britishgamerni 🇬🇧🏳️‍🌈 (@GeorgeCowan) reported from Newtownards, Northern Ireland

    @O2 Yeah that doesn’t give any way to report an issue or anything not helpful

  • GarethAJMiller Gareth (@GarethAJMiller) reported from Belfast, Northern Ireland

    @O2 how can I get in touch about my last bill? Recently left o2 so not letting me start a live chat as I can’t login

  • RunRosyRyanRun Bacon From Heaven (@RunRosyRyanRun) reported from Belfast, Northern Ireland

    @O2 I won an instant prize from Greggs but no voucher appeared, can you help?

  • TheRealJackieJ Jackie Johnston (@TheRealJackieJ) reported from Castlereagh, Northern Ireland

    @O2 Thanks. How do we unsubscribe from this ****? We pay for 5 contracts and do not wish to receive these messages particularly on children’s phones.

  • TheRealJackieJ Jackie Johnston (@TheRealJackieJ) reported from Belfast, Northern Ireland

    @O2 Hi. Can someone help me please? Tried ringing but losing the will with the wait times. Basically placed 3 orders yesterday. 2 have been despatched but 1 hasnt - ms-221212349. Can someone check whats happening?

  • DAVIDBUZZ2904 DAVIDBUZZ2904 (@DAVIDBUZZ2904) reported from Lisburn, Northern Ireland

    @O2 @druwakely I’ve never got an @O2 treat they charged an elderly customer my gran over £200 on pay as you go for a month

  • padraigmc1988 padraig mc crory (@padraigmc1988) reported from Belfast, Northern Ireland

    Is it just me or has @O2 phone signal went to the absolute dogs?

  • internetsense Philip I Wilson (@internetsense) reported from Belfast, Northern Ireland

    @LauraJ2803 @SarahSherry1 @O2 This is criminal activity I was charged £2 per day by #Three Which is bad enough Truth is like petrol/oil/electric/tv you can't change as they're all at it!

  • Watsonmydear Christine #StaySafe #SaveLives Watson 💙 (@Watsonmydear) reported from Belfast, Northern Ireland

    This Christmas, @O2 is donating data to those who need it. For every tweet using #O2DataPledge this Giving Tuesday, they'll donate even more data to the National Databank. Tap below to tweet your support 👇

  • IanRobinson Ian Robinson (@IanRobinson) reported from Dundonald, Northern Ireland

    Is a cellular Apple Watch looked to the network provider you get it from? I have a Stainless Steel Series 6 that I got from @O2 that I no longer need since I got my Ultra from O2.

  • PcConlon P Conlon PC (@PcConlon) reported from Belfast, Northern Ireland

    @DPDgroup_news @O2 your service is a joke

  • GeorgeCowan Britishgamerni 🇬🇧🏳️‍🌈 (@GeorgeCowan) reported from Whitehead, Northern Ireland

    @Jewkneeor @O2 @VodafoneUK Honestly terrible service here I think it’ll be EE or 3 from the look of it when I go to change provider at the end of my contract

  • rickgwalker Richard Walker (@rickgwalker) reported from Whiteabbey, Northern Ireland

    Is @O2 poor for network coverage in the Greater Belfast area?

  • Watsonmydear Christine #StaySafe #SaveLives Watson 💙 (@Watsonmydear) reported from Belfast, Northern Ireland

    💡 check your Tesco clubcard account - vouchers for restaurants, Denby dining sets & more - I’ve enjoyed 3 course meals for 2 for like £1.13! 💡 check your topcashback account could be £££ for a M&S voucher for example 💡 If @O2 customer make sure you download free priority app

  • SamCamLlamClam Samantha G (@SamCamLlamClam) reported from Greenisland, Northern Ireland

    @O2 repeatedly ignored by your dms.. been trying to contact you for days - I am incredibly distressed and humiliated by this treatment. Quick enough to get in contact when you want someone to sign up.. not so much when someone wants to cancel their account. Sort it out.

  • DAVIDBUZZ2904 DAVIDBUZZ2904 (@DAVIDBUZZ2904) reported from Lisburn, Northern Ireland

    @O2 Hi I’ve switched my gran switched from pay as you go to pay monthly and her phone number still hasn’t switched can someone help

  • ScottD_DJMS Scott Dixon (@ScottD_DJMS) reported from Belfast, Northern Ireland

    @O2 @virginmedia still unable to sign in to the Priority app using virgin. Any advice or update please?

O2 Issues Reports

Latest outage, problems and issue reports in social media:

  • MarkWood3010 Mark (@MarkWood3010) reported

    @O2 So I’m correct then! Punishing those with you who have paid for their device….great customer service there eh!!

  • junklight mark john williamson (@junklight) reported

    Hmm - where’s my phone signal gone??? @O2 (yes I’ve just checked the bill got paid ;-) )

  • RealMikeMurray Mike (@RealMikeMurray) reported

    @O2 ******* disgusting and you can’t ring anyone let’s see what my solicitor and home help say

  • thefreakb clipper🇵🇸🇵🇸🇵🇸🇬🇧🇬🇧🇬🇧🇵🇸🇵🇸🇵🇸 (@thefreakb) reported

    @O2 About as helpful as customer services

  • Croina88 Croina (@Croina88) reported

    If @O2 (phone) and @ThreeUK (WiFi hub) could get there **** together and at least ONE OF YOU give me decent data that would be great 😒 it’s 2021 I shouldn’t still have to move around my own house to get signal!

  • bradworby Bradley Worby (@bradworby) reported

    @MarkEvansO2 @o2 Been having issues with my phone since 2019 and noting is being done about it! Never had a manager call me like I have requested since 2019! Gemma Williams is handling the case and she is USELESS and a LIER! Please sort this out!

  • UjoodhaRohan Rohan Ujoodha (@UjoodhaRohan) reported

    @O2 hi. Are your phones down. Tried calling 4 time and just “goodbye” can someone help please

  • ole_K8 David C (@ole_K8) reported

    @O2 any news on when you're going to be replacing the mast In DN14 area .. I've just been informed that for the 30 days I'm there, there is no mobile signal at all because you've removed a phone mast... Will we be getting 30 days worth of money back?

  • bighomeless David McCann (@bighomeless) reported

    @O2 I wonder if you can help me. I have ordered a phone through your site and it has been delivered to an O2 shop yesterday. I'm waiting on an email for a code so I can collect it but it hasn't yet come through. Any idea what I can do?

  • howells1967 John Howells (@howells1967) reported

    @O2 part 2...I've sent loads of emails about this, and nobody has got back to me.. I've been ignored.. great service..not!!