Tesco Mobile

Tesco Mobile Outage Report in Cardiff, Wales

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Tesco Mobile Limited is a mobile virtual network operator in the United Kingdom using the O2 Network and has 99% network coverage in the UK.

Problems in the last 24 hours in Cardiff, Wales

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

Tesco Mobile Outage Chart in Cardiff, Wales 01/07/2026 09:50

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Most Reported Problems

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

  1. Phone (51%)

    Phone (51%)

  2. Internet (29%)

    Internet (29%)

  3. Total Blackout (17%)

    Total Blackout (17%)

  4. E-mail (3%)

    E-mail (3%)

  5. Wi-fi (1%)

    Wi-fi (1%)

  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.

Tesco Mobile Issues Reports Near Cardiff, Wales

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

  • RachelKendall16 Rachel Kendall (@RachelKendall16) reported from Risca, Wales

    @tescomobile Hi, can you tell me if Tesco intends to support Apple Watches any time soon on a cellular level. If not why? O2 network is used on Tesco mobile…. How far apart can an iPhone be away from a watch if used and will your Apple Watch connect to all available WiFi?

  • nigelbendybus Nigel Smith (@nigelbendybus) reported from Cardiff, Wales

    Thank you so much @tescomobile for sorting out and reimbursing me for the scam texts I received yesterday. Yet again wonderful customer service from @tescomobile

  • soozles_ Soozles (@soozles_) reported from Barry, Wales

    Seriously getting sick of the awful signal from @tescomobile 4 years I’ve been a customer and have 4 contracts with you spending &150-£160 a month and it’s getting worse everyday! Been trying to speak to someone all day (friend) and constantly getting call failed 😡

  • TRHComposer Thomas Richard (@TRHComposer) reported from Cardiff, Wales

    @tescomobile my mobile data has just stopped working. Still got over 10GB available to me though. Is there a Network problem?

  • HAndTheElements Hegsy & The Elements (@HAndTheElements) reported from Cardiff, Wales

    @tescomobile what is the escalation process regarding a faulty phone that has been lost by @Tesco? My OAP mother has been without a phone since September and promises to resolve have failed. No senior support from Pengam Green Management or in-store guidance. #disgracefulservice

  • soozles_ Soozles 🏴󠁧󠁢󠁷󠁬󠁳󠁿💙 (@soozles_) reported from Barry, Wales

    @tescomobile I can’t call or receive calls today, get call fail on them all but I’m able to text and use data without a problem. Is there a problem in the CF63 area?

Tesco Mobile Issues Reports

Latest outage, problems and issue reports in social media:

  • GrumpyXMatelot Captain Buzzkill RN (@GrumpyXMatelot) reported from Telford and Wrekin, England

    Anyone else on @tescomobile having problems sending sms? I've had issues for a few days

  • MrMiNiKi Nick Ribeiro 💙 (@MrMiNiKi) reported

    Shockingly bad data roaming over the last few days in Portugal @tescomobile and partners @altice_portugal @MEOpt. Pretty much non-existent. Is this what can I expect in the future?

  • GrumpyOldNed FIAT (@GrumpyOldNed) reported

    @tescomobile Do you charge or have any data caps on your network if using in Spain in a pay monthly contract. Voxi now charge you per GB O2 cap data at 25gb Do you ? if I have unlimited data on my contract am I able to use unlimited data say in Spain or France?

  • TheresaPengelly Theresa 💙💛🇺🇦 (@TheresaPengelly) reported

    @tescomobile I have now been trying unsuccessfully to order a mobile phone on your web site for 2 days . It has been a terrible experience with poor online support

  • yanderson1981 Yvonne (@yanderson1981) reported from Annfield Plain, England

    Disappointment Went to up grade phone (16/4/) My account been debit twice( not small amounts). Informed due to a new computer process there was problems, but refunded in 7 working days. NO REFUND , called in store and will have to wait till mobile bill comes out @tescomobile

  • SeanP321 Sean C. Parkinson (@SeanP321) reported

    Of you want a good mobile signal and send texts without problems, Avoid @tescomobile . Their mobile network is like death warmed up.

  • kayineson kay (@kayineson) reported

    @tescomobile I will have another try but so far it hasn’t worked. I got told to take the sim out and reset the network settings before

  • nadal_lisa lisa nadal (@nadal_lisa) reported

    @tescomobile after investigating with Tesco + Apple you barred my phone. After days of chat/calls hung up on twice i have no working sim and iPhone the only solution I can get a new sim 5 days/complain

  • marta_kaczmarek 🌸 (@marta_kaczmarek) reported

    Made a complaint a week ago about the delays and lack of communication, today I've had to make a SECOND complaint because in the past week there have been delays and a lack of communication 😭 I've actually been robbed paying insurance @tescomobile

  • ChealKen snowyken (@ChealKen) reported

    @tescomobile why have you charged me £2.50 from my buffer when I am nowhere near my limits on Data calls or texts. Your help line couldn’t seem to help me