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 01/26/2026 05:20

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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 (31%)

    Internet (31%)

  3. Total Blackout (13%)

    Total Blackout (13%)

  4. E-mail (3%)

    E-mail (3%)

  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:

  • 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.

  • 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:

  • carolyn42131974 carolyn (@carolyn42131974) reported

    @O2 trully a useless company, after a lot of hassle my number ported over to an estimated yesterday at 6pm, all was working well until an hour ago, now my number is not working again and I cannot dial out & no one can phone me. Fuming I am and yes I have

  • samwise1337 Samuel Thompson (@samwise1337) reported

    @O2 Trouble calling the customer service department.

  • Doddsy_21 Charlotte Lucy Dodds (@Doddsy_21) reported

    @O2 Every time I go out I have no data or signal? Only working on Wi-Fi. Deffo not on flight mode!

  • EmzzzyBab Emma (@EmzzzyBab) reported

    @O2 I would ring but as per.. my phone doesn’t have signal when I’m at home! It’s a joke! 🤬

  • OMearaShaun Shaun O 💙 (@OMearaShaun) reported

    @O2 I have sent you a dm as requested and would appreciate some help with this stressful situation

  • SasCobbold Sarah Cobbold (@SasCobbold) reported

    Praying 🙏🏻 @O2 can tell me whether my number has been ported after a utterly horrendous experience with @VodafoneGroup I just want to get back up and running with my old number and new handset ! So far their service has been exemplary

  • iamsimonyoung Simon Young 🇺🇦 (@iamsimonyoung) reported

    @O2 Someone on 0161 520 1913 claimed to be from your customer service department. I said he wasn’t and he said sorry and hung up. This has happened twice in last few days.

  • ripinmypants Ryan Davies (@ripinmypants) reported

    You guys not do live chat anymore you make it so hard to contact you guys can someone help please @O2

  • chewwy Neil Godfrey (@chewwy) reported

    @O2 why is my data signal so unresponsive moving around central Brighton?

  • LineyHunt Caroline 🐘 (@LineyHunt) reported

    Hi @O2 . Your live chat app has crashed my computer, your help communities are no use and you don't have a customer phone number on your website. Meanwhile my mums new sim arrived yesterday and now that doesn't work nor the old one. How do I get some help?