O2

O2 Outage Report in Tongwynlais, Cardiff, Wales

No problems detected

If you are having issues, please submit a report below.

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 Tongwynlais, Wales

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

O2 Outage Chart in Tongwynlais, Cardiff, Wales 03/12/2025 13:10

At the moment, we haven't detected any problems at O2. Are you experiencing issues or an outage? Leave a message in the comments section!

Most Reported Problems

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

  1. Phone (60%)

    Phone (60%)

  2. Internet (19%)

    Internet (19%)

  3. Total Blackout (11%)

    Total Blackout (11%)

  4. Wi-fi (5%)

    Wi-fi (5%)

  5. E-mail (4%)

    E-mail (4%)

  6. TV (1%)

    TV (1%)

Live Outage Map Near Tongwynlais, Cardiff, Wales

The most recent O2 outage reports came from the following cities: Pontypridd, Newport and Cardiff.

Loading map, please wait...
City Problem Type Report Time
United KingdomPontypridd Phone
United KingdomNewport Internet
United KingdomCardiff Phone
United KingdomCardiff Phone
United KingdomRhoose Phone
United KingdomCardiff Total Blackout

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 Tongwynlais, Wales

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

  • themarkhawkins Mark Hawkins (@themarkhawkins) reported from Barry, Wales

    @viv_wilson @O2 I am in CF62 area, I haven't been able to get more than one bar for years, forget 3/4g Only keep it as I get a good signal in work.

  • CatTPeters Cat Peters (@CatTPeters) reported from Penarth, Wales

    @O2 come on please! I’ve now spoken to 3 people and now been out on hold for almost an hour. Unbelievable customer service. I literally just need the PAC code.

  • PattersonLela1 Lela Patterson (@PattersonLela1) reported from Barry, Wales

    @O2 I didn’t receive an alert and neither did my family. It’s a fantastic idea, though! Are all Network operators doing this? :)

  • CatTPeters Cat Peters (@CatTPeters) reported from Penarth, Wales

    @O2 I’ve just tried again, it’s not working. Please can someone send it to me please. For a simple procedure it has become be my stressful, and nobody seems to want to help!

  • flowersshanice S H A N I C E (@flowersshanice) reported from Cardiff, Wales

    @O2 @Gropinvillain In all these years I’ve been with @O2 I’ve never ever had nothing for bro g a loyal customer, maybe it’s time I cha he networks after my contract is finished!!

  • Hayeley Hayley (@Hayeley) reported from Cwmbran Central, Wales

    @O2 is there an option to setup a direct debit without making a phone call? It used to be set up but for some reason didn't change when I used the Switch service to move banks and I'm fed up of being told I'm behind on a payment. Can I do it via the app? Thanks

  • ImogensMind 👑Immy👑 (@ImogensMind) reported from Blackwood, Wales

    @O2 my friends phone network has completely gone down all day, they can’t call anyone including yourselves. Please suggest what they should do?

  • PattersonLela1 Lela Patterson (@PattersonLela1) reported from Barry, Wales

    Hi @O2. If you received a notification that a sound was played from my phone, please don’t worry. I was just testing out the Find My app on my iPhone, as I’ve never used it before, so I just wanted to check it out and see how it worked. Thank you and sorry. :)

  • meribelman Peter Williams (@meribelman) reported from Penarth, Wales

    @virginmedia I would happily self serve online, via a browser or app, as you incessantly encourage me to do, but when the page says “oops something went wrong, we’re unable to change your package online”, its very frustrating. @O2 will help you soon!

  • DennerSusan susan denner (@DennerSusan) reported from Cardiff, Wales

    @O2 Customer service shocking! No service on phone since 24th May, SIX calls made to your call centre to resolve issue - now being told to wait for

  • gareth_thmpsn Gareth Thompson (@gareth_thmpsn) reported from Cardiff, Wales

    @O2 guys is there a backlog in complaints? I responded to a complaint on the 06/10/20 no reply, 20/11/20 no reply. I’ve now sent a further email today and I’ve no faith in it being responded to. Original complaint was 04/09/20.

  • Daniel_Lyddon Daniel Lyddon (@Daniel_Lyddon) reported from Cardiff, Wales

    (1/3) Sad to say that @O2 are now trying to charge me for a service never used, when I cancelled a mis-sold contract within the 14-day cooling-off period. Almost two months later they're now saying they're going to charge me a late payment fee, plus the bill...

  • nopantsuk Nick Thorogood (@nopantsuk) reported from Llanharan, Wales

    @O2 my number should be ported to you today that I requested yesterday morning. I’ve had no confirmation texts or emails though and number still on old network. Any ideas?

  • gwelfor57 Mark Elliott🏴󠁧󠁢󠁷󠁬󠁳󠁿🇪🇺 (@gwelfor57) reported from Cardiff, Wales

    @O2 am assisting my disabled brother. catch 22. No passport or driving licence unable to prove his identity. obtained a PAC. told est. £406.49 of termination charges! He wanted to reduce his monthly cost but O2 shop said no. Been customer for years. Help please.

  • gareth_thmpsn Gareth Thompson (@gareth_thmpsn) reported from Cardiff, Wales

    What is the point of complaining to @o2? Complaint sent 06/09 multiple times chased up formally 20/11 no reply now 06/0/21. Told someone looking at as a priority still nothing @MarkEvansO2

  • LisaEdwards78 LisaEdwards78 (@LisaEdwards78) reported from Barry, Wales

    @O2 Hi there I have had a highly Sophisticated national insurance scam call from a number registered to your network. There was an automated message purporting to be from the national crime agency. Please can you investigate this number 07850058296

  • Garethbird85 gareth bird (@Garethbird85) reported from Newport, Wales

    @O2 can someone from customer service contact me please

  • clareoj Clare Osborne Jones (@clareoj) reported from Cardiff, Wales

    @O2 still waiting for a refund on a returned phone case since July...numerous phone calls resulting in last one on 11/10 we will take it off your phone bill for you but full amount taken today. Can’t get through on phones can you please advise as I’m pretty fed up with service

  • gareth_thmpsn Gareth Thompson (@gareth_thmpsn) reported from Cardiff, Wales

    @O2 There’s delay then there’s rude. Been 92 working days or 128 days since I complained. @o2 are making it deliberately difficult to contact.

  • catlady_cez Cez 🏴󠁧󠁢󠁷󠁬󠁳󠁿 (@catlady_cez) reported from Cardiff, Wales

    @O2 hi is there an issue with your network in cf14? Havent been able to get 3g or 4g since yesterday?

O2 Issues Reports

Latest outage, problems and issue reports in social media:

  • elstoleno Rachel Bell (@elstoleno) reported

    @O2 Even just narrow it down for the most recent one 01213140537 called today asking for my mother, who again has only ever been associated with this number via bill payments. The number has a negative mark against it on who called. How do they have this information if not via O2?

  • fernniePR Fernnie (@fernniePR) reported

    @PattonKieran @O2 Well I'm sorry to give you the bad news... the phone doesn't release tomorrow.

  • herd_thomas Thomas Herd 🇬🇧🏴󠁧󠁢󠁳󠁣󠁴󠁿 (@herd_thomas) reported

    @O2 Ah I see yeah it did say that on the email but upgrade to Unlimited data applied for two weeks ago - applied to account immediately and showed up on Thursday last week so I’ll hang off for a few days

  • JdotD20182020 Jon (@JdotD20182020) reported

    @O2 thanks o2 been waiting for my phone for 2 weeks then get told it will be 3 more weeks as o2 don't have any dates, so I decided to cancel it (I need a phone asap), Then a hour later I get a email saying its on its way but now because I cancelled it based

  • papatulloh PapaT (@papatulloh) reported

    @O2 Purchase a 'deal' qualifying S21 phone from one of your retailers but no samsung galaxy buds offered. Sales team & customer services aren't helping either. Fake Deals...?

  • M5Mahmud Nas Mahmud (@M5Mahmud) reported from Birmingham, England

    @O2 I had a issue with my billing and spoke to several of your phone assistants who did not help much at all, kept batting me off to Ariel Direct who also were useless. I finally got through to Tracy who explained the situation in 2 mins and resolved the issue, pls reward her.

  • AlexFootyFan Alex 💙 (@AlexFootyFan) reported

    @O2 #OptOut why are you contacting me? I'm not a customer of yours!

  • Eddystone506 Professor Lord Sir Dominic Cummings PhD (DisHons) (@Eddystone506) reported

    @O2 what’s your customer service number? My friend’s data has run out.

  • TMKiani T. M. Kiani (@TMKiani) reported

    @O2 Signal down

  • bradfordlad5 John, a modest genius 💙 #FBPE (@bradfordlad5) reported

    @O2 @O2 who stupidly sold off their mobile network (!) and now rely on EE.