O2

O2 Outage Report in Derry, 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 Derry, Northern Ireland

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

O2 Outage Chart in Derry, Northern Ireland 01/29/2026 20:35

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Most Reported Problems

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

  1. Phone (50%)

    Phone (50%)

  2. Internet (30%)

    Internet (30%)

  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 Derry, Northern Ireland

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

  • dartduignan180 sean duignan (@dartduignan180) reported from Culmore, Northern Ireland

    @virginmedia @O2 But not your customer service when it comes to cancelling an order

  • oharama Marian O'Hara (@oharama) reported from Derry, Northern Ireland

    @O2 Poor customer experience in-store today. Disappointed to say the least.

O2 Issues Reports

Latest outage, problems and issue reports in social media:

  • davetenbob68 tenbob 💙 (@davetenbob68) reported

    @O2 Hi, I joined your network last Saturday and since then I've had no internet all day on Sunday, Monday and today. On each of those days, it's finally came back on at around 9pm at night. This is unacceptable. Can you please sort this out. I've sent you a DM about this too.

  • AlimentaryLond1 Alimentary London (@AlimentaryLond1) reported

    @O2 No 4g signal in Chelsea or Hampstead for voice calls.Your manager in Hampstead wasn't told about masts down.Whats good on ?

  • LiiamDnBRaver Liam Atk🏳️‍🌈 (@LiiamDnBRaver) reported

    @O2 trying to use o2 priority with the odeon ticket and it says “please try again later” any help?

  • DavidWhite_IO David White (@DavidWhite_IO) reported

    @O2 having troubles with sending texts, I overwrote the message centre number accidentally and now can’t revert it back. I’ve got a a galaxy s21- hope you can help!?

  • NeilCarson16 Neil Carson (@NeilCarson16) reported

    Seem that O2 Poor customer service, Poor service provider. @O2 @TheO2

  • TheJackSmit Jack Smit (@TheJackSmit) reported

    @_carleyanne_ @O2 A lot of cinemas have Black Widow down as a ‘no free tickets’ film until next week, think that might be the problem. Standard practice in the industry unfortunately.

  • admhlt83 Adam Hoult (@admhlt83) reported

    @O2 Im interested to know what the call was regarding can someone call again as my phone never actually alerted

  • taffster31 steve edwards (@taffster31) reported

    @O2 I’m guessing you no longer want my custom - four calls to your customer service and still no sim 🙁

  • clairecranton ClaireC (@clairecranton) reported

    @O2 I have tried to get through to your customer service 4x this morning and keep getting cut off.

  • jamken123 jamie kennedy (@jamken123) reported

    @sarah12412 @O2 So sorry to hear this. I'm not surprised you're upset I would be too. Please let me know if ger something sorted. I hope they can help you