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 12/15/2025 02:25

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Most Reported Problems

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

  1. Phone (47%)

    Phone (47%)

  2. Internet (30%)

    Internet (30%)

  3. Total Blackout (16%)

    Total Blackout (16%)

  4. E-mail (3%)

    E-mail (3%)

  5. Wi-fi (3%)

    Wi-fi (3%)

  6. TV (1%)

    TV (1%)

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:

  • 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.

  • 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€

  • 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!!

O2 Issues Reports

Latest outage, problems and issue reports in social media:

  • ebaxter1989 Eddie Baxter 💛💚 (@ebaxter1989) reported

    @O2 what on earth is going on with your signal lately!

  • BeautyInBeasty Miss Vic (@BeautyInBeasty) reported

    @O2 struggling to book on to Odeon as my special code isn’t working. Please help

  • AndyMcK1982 Andy McKeown (@AndyMcK1982) reported

    @O2 STILL NO COVERAGE! What happened to having it sorted by Friday??? 5 days now struggling to get a signal!

  • LivvyCowan Livvy Cowan (@LivvyCowan) reported

    @O2 Wifi - so POS, card terminal, store radio (internet) & loyalty card scanner have no broadband access. Router is on but PPP light is off. Customer O2 access is also off

  • AlisonBedford83 Alison Bedford (@AlisonBedford83) reported

    @O2 no calls, text, Internet. No issues with bars, thousands reporting same total blackout on down detector sort it out!!!

  • LiamBuckler Liam Buckler (@LiamBuckler) reported

    @O2 priority Cafe Nero voucher not working, told by staff it's Monday to Thursday and wouldn't scan??

  • LWeynberg Luke Weynberg (@LWeynberg) reported

    @O2 I need help regarding my returned smart watch asap. Your agent closed down my chat without actually speaking to me on the app.

  • precyshun Mason 🏳️‍⚧️ (@precyshun) reported

    @O2 please can you sort out the terrible signal I go across the country no matter where I am please? Instead of sending me messages saying you’re doing upgrades all the time….the upgrades don’t appear to be helping so please sort it out 👍

  • PobertR pobertr.ethanol (@PobertR) reported

    @O2 Is your network down, because I'm having issues on 3, 4 and 5G

  • laurajbrigham laura (@laurajbrigham) reported

    @O2 hi, my friend and I are currently in Greece and her mobile data isn't working. Please help!