O2

O2 Outage Report in Llanharan, Rhondda Cynon Taf, Wales

Some problems detected

Users are reporting problems related to: phone, internet and total blackout.

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 Llanharan, Wales

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

O2 Outage Chart in Llanharan, Rhondda Cynon Taf, Wales 05/25/2025 15:35

May 25: Problems at O2

O2 is having issues since 05:20 PM GMT. Are you also affected? 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 (53%)

    Phone (53%)

  2. Internet (25%)

    Internet (25%)

  3. Total Blackout (12%)

    Total Blackout (12%)

  4. Wi-fi (4%)

    Wi-fi (4%)

  5. E-mail (4%)

    E-mail (4%)

  6. TV (1%)

    TV (1%)

Live Outage Map Near Llanharan, Rhondda Cynon Taf, Wales

The most recent O2 outage reports came from the following cities: Mountain Ash, Pontyclun, Pentyrch and Cardiff.

Loading map, please wait...
City Problem Type Report Time
United KingdomMountain Ash Phone
United KingdomPontyclun Phone
United KingdomPentyrch Phone
United KingdomPentyrch Phone
United KingdomPentyrch Phone
United KingdomCardiff Phone

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 Llanharan, Wales

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

  • 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.

  • 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.

  • 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...

  • 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!

  • 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

  • BristolOli Bristol Oli (@BristolOli) reported from Cardiff, Wales

    @BS3Rob @O2 Glad it wasn’t just me - No signal anywhere near the ground

  • JaeyKelly Jay Kelly (@JaeyKelly) reported from Bridgend, Wales

    @O2 Are there any networks issues in South Wales? For the past week or so my phone signal reverts to 3G.

  • 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!

  • 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

  • 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?

  • 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.

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

    This weather properly has me over a barrel. Mistreatment by @O2 properly has me feeling down. My #CovidVaccine pain is bad. Some days the demons are just too much to battle...but today is not one of those days. Rest, relax, refocus. #MentalHealthMatters #BipolarDisorder

  • 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? :)

  • 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?

  • 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

  • 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?

  • 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

    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. :)

  • 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!!

O2 Issues Reports

Latest outage, problems and issue reports in social media:

  • flicfisher81 Felicity Fisher (@flicfisher81) reported

    @O2 ordered two new phones and contracts. Didn’t send second sim. Now you can’t even find my details. I want to cancel everything I have zero confidence in you as a provider

  • welshapplefan Rob T (@welshapplefan) reported

    @O2 I need to speak with someone asap about a complaint. Your off-shore call centre doesn’t understand the issue and was just about to send me £400+ which I’m not entitled to. Can some from UK contact me please

  • rdh789 Rachel H (@rdh789) reported

    @O2 having been a customer for 20 years I can't believe I am suddenly being charged £2 every time someone calls me when I am abroad outside of Europe even when I decline the call!

  • Payno04 MPayne 💙 (@Payno04) reported

    Unbelievably poor customer service from @o2 once again. They owe money that they've wrongly taken from my account & every time I ask for a refund, they say they're putting me through to the correct department and instead cut me off. A complete joke! So petty too. 📞👎 #rubbish

  • FieldhouseTammy Tammy Fieldhouse (@FieldhouseTammy) reported

    @O2 You have time to post these stupid ads but not respond to my multiple tweets about my continuous Internet connection?????

  • ApertureReads Liam (@ApertureReads) reported

    @O2 Not the twitter-teams fault but awful customer service before. Had to speak to 5 people for a simple question about billing. Had RPI+3.9% increase explained to me twice, and had to go through security three times. And no answer given. Definitely switching.

  • priceaj Aaron Price (@priceaj) reported

    Just got stuck at Five ways station for 10 mins because evidently it's an @o2 black spot and I couldn't access my train tickets. @WestMidRailway Staff were no help, even though I showed them the email which proved I purchased the tickets.

  • neeblee coffeefire (@neeblee) reported

    @O2 please help solve an issue I am a pay monthly customer and cannot text nhs number 80870. Similar issue with texting barclaycard on 85023. The message doesn't go through. Please help thanks

  • ineedmoreblue bluesky (@ineedmoreblue) reported

    @O2 2025: O2 network works and you "receive" a phone call would be nice

  • Supercyclist101 Matthew Haynes (@Supercyclist101) reported

    @O2 my contract expires later this year, and so far I won't be renewing. I bought a 5G phone for faster data speeds, but 5G in Manchester is just a joke. Check your website and just always shows a known mast issue. This mast repair must be the longest repair job in history!