O2

O2 Outage Report in Dublin, Leinster

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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 Dublin, Leinster

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

O2 Outage Chart in Dublin, Leinster 01/16/2026 10:00

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Most Reported Problems

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

  1. Phone (49%)

    Phone (49%)

  2. Internet (30%)

    Internet (30%)

  3. Total Blackout (14%)

    Total Blackout (14%)

  4. E-mail (4%)

    E-mail (4%)

  5. Wi-fi (3%)

    Wi-fi (3%)

  6. TV (%)

    TV (%)

Community Discussion

Tips? Frustrations? Share them here. Useful comments include a description of the problem, city and postal code.

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 Dublin, Leinster

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

  • Amarpatel128 Amar Patel (@Amarpatel128) reported from Dublin City, Leinster

    @O2 @pchavda Having to reply from a colleagues phone. Reported this morning at 9 o clock. Still service-less. Bet you’re still charging full rental though.

  • farellmichael Michael Farrell (@farellmichael) reported from Dublin City, Leinster

    @O2 hi. My friend’s UK mob stolen in Dublin. Need to cancel/freeze fone account. Help!!

  • Jordan_D Jordan Downey (@Jordan_D) reported from Dublin City, Leinster

    @BradyHaran @O2 One time I disabled Airplane mode while flying over Canada, I somehow managed to get some cell service and realized that when I received a text message saying my bill was reaching 80€

  • skbarrone Sarah Barron (@skbarrone) reported from Fingal County, Leinster

    @O2 Thanks. Problem started in London but same in Dublin. Everything works fine on Wi-Fi.

O2 Issues Reports

Latest outage, problems and issue reports in social media:

  • princessnas Nasreen (@princessnas) reported

    @O2 hi there- I’ve had no mobile data for the last four hours- telephone line works but no data making my life very tricky. Is there a problem ??

  • urnewfavourite zach (@urnewfavourite) reported

    no reason for my data to be this slow considering the amount I pay per month @O2

  • richiechuff Richie Knight (@richiechuff) reported

    @O2 I’ll have to try to it’s just ridiculous that you guys can’t if stores can it’s literally the most unhelpful level of service

  • HawkeyeKnows Charlie 🌸 (@HawkeyeKnows) reported

    @O2 I switched from O2 this week, after 14 years with them, to Vodafone. 100GB and unlimited calls for £12 - didn't even try to keep me as a customer.

  • Andy_Aech Andy Aech (@Andy_Aech) reported

    @O2 I can’t seem to log into myo2 on your website. I need help with my contract sim please.

  • richiechuff Richie Knight (@richiechuff) reported

    @O2 I don’t have an unlocked phone in order to do this how have you not got a resolution for this! It’s shocking

  • MRLUKEAROBINSO1 MR LUKE A ROBINSON (@MRLUKEAROBINSO1) reported

    @O2 not getting 5g, i havent my whole contact. i can now confirn the issue is not my phone. I believe im on an esim thats limiting my phone, and contract to 4g. Can i be repaid thebdifference from the o2 error. Its not a setting on my phone, its an o2 issue. 5g here outside!

  • MixedMagicWoman Teresa Fowler (@MixedMagicWoman) reported

    @O2 No...lol. My mum is in hospital. She cannot visit a shop and may never be able to if she goes into a home. What do I do now??

  • jempuk Michael Turnbull (@jempuk) reported

    Hey @O2 I’m having an issue sorting my payment method. I’ve changed my card details on the app however bank is advising you’re still using the old card details. Can you sort this?

  • forgottenman_ The Forgotten Man (@forgottenman_) reported

    @O2 I have been through the helpdesk and we have reissued the sim but i'm still getting my number spoofed. So there is no point in private messaging you as this is an issue of public concern that I think we are all surprised is even happening. so new hashtag #CLIspoofing