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 01/12/2026 20:35

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Most Reported Problems

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

  1. Phone (54%)

    Phone (54%)

  2. Internet (26%)

    Internet (26%)

  3. Total Blackout (16%)

    Total Blackout (16%)

  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:

  • 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 😡

  • 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

  • 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

    @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:

  • TeamOgall TeamO (@TeamOgall) reported

    @kevlaa132 @tescomobile I am also having this problem and have driven through several areas and still no calls

  • lewisgonzo1987 Lewis Williams (@lewisgonzo1987) reported

    Fuming with @tescomobile. Can’t make phone calls or receive them?? This is my only point of contact and I dread to think if something happened to my kids at school and I can’t be contacted. Fix this issue immediately please or contact me to at least let me know the situation

  • lewisgonzo1987 Lewis Williams (@lewisgonzo1987) reported

    @tescomobile Any issues may not show straight away??? It’s been like this since lunchtime, so 4 hours ain’t enough time to show up on O2 website?? Great customer service.

  • robbymcnob Robby"Lessons must be learned"mcnob (@robbymcnob) reported

    @Tim_Wij @tescomobile I've no service what so ever, most of the day.

  • Warrsa Sue Warrington (@Warrsa) reported

    @tescomobile, appalling service. Failure to move an old number onto new sim and now new PAYG sim with old number still not arrived for transfer of old number. This has been going on for a month!

  • kevlaa132 Kev (@kevlaa132) reported

    @tescomobile unable to make or receive calls, postcode checker says no problem but issue remains. Any ideas? Thanks

  • Heather_GraceD Heather (@Heather_GraceD) reported

    @tescomobile is there an issue with calls, just had an emergency and could not call anyone?!!!

  • ScottHolroyd1 Scott Holroyd (@ScottHolroyd1) reported

    @tescomobile I cant receive or call anyone Waiting for a important phone call Please can you sort the problem out

  • amccann06 Amanda Bruce (@amccann06) reported

    @tescomobile any idea when your signal will be restored? ML2 area

  • NatashaMariaXo1 NatashaMariaXo (@NatashaMariaXo1) reported

    @tescomobile is the network down? I’m unable to ring people and receive phone calls. I’m able to text and use my data.