O2

O2 Outage Report in Welwyn, Hertfordshire, England

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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 Welwyn, England

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

O2 Outage Chart in Welwyn, Hertfordshire, England 12/03/2025 21:20

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Most Reported Problems

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

  1. Phone (47%)

    Phone (47%)

  2. Internet (30%)

    Internet (30%)

  3. Total Blackout (16%)

    Total Blackout (16%)

  4. Wi-fi (3%)

    Wi-fi (3%)

  5. E-mail (3%)

    E-mail (3%)

  6. TV (1%)

    TV (1%)

Live Outage Map Near Welwyn, Hertfordshire, England

The most recent O2 outage reports came from the following cities: Hemel Hempstead.

Loading map, please wait...
City Problem Type Report Time
United KingdomHemel Hempstead Internet
United KingdomHemel Hempstead Phone
United KingdomStevenage Phone
United KingdomLuton Internet
United KingdomLuton Internet
United KingdomLuton 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 Welwyn, England

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

  • mrjc90 Josh (@mrjc90) reported from Hitchin, England

    @O2 not sure when your call centre in Cape Town opened but it’s been extremely painful trying to solve a simple issue..I might of been unlucky but think staff could do with some further training

  • Steve_Edwards77 Steve Edwards (@Steve_Edwards77) reported from Hertfordshire, England

    @westspice @O2 Awful service for me today!

  • juliet_gough juliet gough (@juliet_gough) reported from London Colney, England

    @O2 I tried. I think you guys list connection. The guru went to check and never came back!!! 🙈😩 @o2 #o2guru

  • ItsMeEllisxD Ellis Brown (@ItsMeEllisxD) reported from London Colney, England

    @O2 Well it’s every time I leave Leicester. Or go to a new city.. even when I have 4 bars it’s either really slow or won’t load at all!

  • jmcomms Jonathan Morris 📱📸 (@jmcomms) reported from London Colney, England

    @VModifiedMind @benwood @EE @VodafoneUK @ThreeUK @O2 Albeit using half rate codec for voice. Sounded pretty awful.

  • banafshbanafsh banafsheh (@banafshbanafsh) reported from Waltham Abbey, England

    @TazPDN @O2 So sorry to hear that ,#o2 is really bad, I'm with Vodaphone and they are much much better . Hope all get sorted for you x

  • isthatdan Dan (@isthatdan) reported from Stevenage District, England

    @O2 are gonna have to either offer me an amazing deal or sort out this horrendous signal issue. How can I not load a twitter video when I have a full 4 bars of 4G signal

  • juliet_gough juliet gough (@juliet_gough) reported from London Colney, England

    @O2 #o2guru said they are doing a network investigation for me. It makes no sense to use 1GB of data in 53 minutes whilst at the theatre. I’d have to be live streaming for that to happen! #o2 @TheO2 #1gbdata #goinggone

  • stourdave Dave (@stourdave) reported from London Colney, England

    @O2 How did this shit happen

  • CraigFamilyBlog Hayley & Gavin (@CraigFamilyBlog) reported from St Albans, England

    Gav and I have had no mobile phone service for 3 days, but I have no service to call @virginmedia to let them know! It happens far too regularly. Just spent the morning searching for a new deal. @O2 looks like the best so far!

  • Craigcanfield Craig Canfield (@Craigcanfield) reported from Welwyn Garden City, England

    @O2 contract finished.. put on a rolling month deal.. nothing will change they said... 2 days now with no phone signal.. "sim provisioned"! Customer svc say it'll work soon. Gggrrr

  • WickhamofWare Jonathan Flood (@WickhamofWare) reported from Stevenage District, England

    @O2 @tescomobile No mobile signal in Great Ashby, Stevenage all day!!

  • RaviDheer Ravi Dheer (@RaviDheer) reported from London Colney, England

    @O2 I'm sick to death of your network. I'm trying to pay you and I can't. Now I'll wait for some fool to contact me. I give up with this pathetic network.

  • DimitthriV Dimitthri Vithanage (@DimitthriV) reported from London Colney, England

    @O2 what is going on! 😭😭 Even when I have signal it's so slow!

  • AndrewTRIrwin Andrew Irwin (@AndrewTRIrwin) reported from London Colney, England

    @EmmaShubrook @O2 Agreed. I have no signal at all

  • dramattyhealy 🌜cobie🌛 (@dramattyhealy) reported from London Colney, England

    @O2 Hi, it’s been 2 weeks since i started receiving non stop calls from your call centres to get me get a plan with you, the caller said that i entered some kind of contest or signed up for this but i never did since i am happy with my current provider. This is very inconvenient

  • PaulWRamsay #HellomynameisPaul (@PaulWRamsay) reported from London Colney, England

    Really bad service from @O2, having calls from a shop to pressure into upgrades, no really clarity when calling 202 to ask what’s going on-I think I need a new network!

  • bks67 bridget sparks (@bks67) reported from Hertfordshire, England

    @O2 I do have the app, I think I will phone the customer service team and ask them,

  • Elissa524 Elissa Da Costa (@Elissa524) reported from St Albans, England

    @O2 Not sure what happened but all ok now thanks. Very good service to get me reconnected quickly

  • OmarMansoor Omar Mansoor (@OmarMansoor) reported from London Colney, England

    @Ali_Malik @O2 @Ofcom @MarkEvansO2 I’ll give them a #Valentine chance - never had issues before but now only on crucial days they go down. #

O2 Issues Reports

Latest outage, problems and issue reports in social media:

  • _SonOfTheDesert Kaiser Soothsays (@_SonOfTheDesert) reported

    @O2 Data is unusable where I am (Milan). As stated, I get 3G but can’t use it, all apps say phone is not connected to network. Irony is my wife is with @tescomobile and is getting 5G. Crossed into Switzerland today and got 5G halfway up a mountain but can’t use phone in Milan. 🤷

  • OllyFT Oliver Fytche-Taylor (@OllyFT) reported

    @iD_Mobile_UK @O2 @giffgaff Yes, they match exactly. This has been checked by me, by two separate Cust serves advisors and then by the online sales team. They couldnt see a problem so promised call back. All lied, nobody tried to call which is why I had to contact you again, and go through it a 2nd time.

  • paul_trombone Paul Emmett (@paul_trombone) reported

    Really helpful that @O2 has been texting my account info to a different number and when I don’t respond they block my service, and moan at me when I call support! Cheers, that’s helpful!

  • OllyFT Oliver Fytche-Taylor (@OllyFT) reported

    @iD_Mobile_UK @O2 @giffgaff I don't know what the glitch is, it just fails to process. Your own cust service team don't know either - I tried twice both, times they promised a call back because they were unable to identify the issue. Both times you failed to contact me so why should I stick with you?

  • JamRuler89 James (@JamRuler89) reported

    @O2 Barely getting 3G while my wife is getting 5G on another network. Why can’t O2 improve in Lanarkshire?

  • rockandrollmatt Matt Sweeney (@rockandrollmatt) reported

    @O2 I need some support accessing an offer on Priority

  • AmieBirkett94 Amie Birkett (@AmieBirkett94) reported

    @O2 are the shittest phone network with the WORST customer service ever. A loyal customer for over 10 years and I have had the same issue going on for over 5 months!!!

  • Jon_Col Jonathan Colquitt (@Jon_Col) reported

    @O2 is there a reason your customers get no signal anywhere? brand new iPhone, no signal anywhere. Everyone else on other networks get plenty, time to stop paying the monthly bill I think.

  • badassscotsman BigYin (@badassscotsman) reported

    WELCOME TO @O2 where DM,S NEVER ANSWERED. Phone calls never answered or they hang up on you and divert your call to @virginmedia????. They provided you with the same copy@paste excuses...

  • WaynePT7746 WB(P) (@WaynePT7746) reported

    @O2 Hi, any chance of a response to the DMs regarding MyO2/PAYG issues? Thanks