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 12/06/2025 19:40

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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 (31%)

    Internet (31%)

  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: Waltham Cross and Hemel Hempstead.

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

Community Discussion

Tips? Frustrations? Share them here. Useful comments include a description of the problem, city and postal code.

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O2 Issues Reports Near Welwyn, England

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

  • AddictiveColors Addictive Colors (@AddictiveColors) reported from London Colney, England

    @O2 I understand that carriages speed and materials do not help, but repeaters in tunnels sure would to avoid disruptions especially as they can particularly nasty to a laptop when the phone or the train is the hotspot as that side of the connection never goes down just the gateway’s

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

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

  • 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,

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

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

  • 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

  • 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!

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

    @westspice @O2 Awful service for me today!

  • 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

  • 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

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

    @EmmaShubrook @O2 Agreed. I have no signal 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.

  • 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.

  • jodyrandall Jody Randall Esq. (@jodyrandall) reported from Broxbourne District, England

    @O2 why is your 4G so bloody awful at Liverpool Street Station

  • 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!

  • 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!

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

    @O2 How did this shit happen

  • Kami2k10 Kamiioo (@Kami2k10) reported from Luton, England

    @BBCNews @O2 worst coverage ever no solutions. The network towers always down but yet I'm still paying 55£ p.m i have no choice but to pay!! #ripoffbritain #conmen

  • 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

  • AEgbuonu ARIBBUZZ (@AEgbuonu) reported from Welwyn Garden City, England

    @O2 sort your cancellation team and phone problem out. #poorcustomerservice

  • AFCAMDEN AFCAMDEN (@AFCAMDEN) reported from London Colney, England

    @SkyNewsBreak Would cancel my contract with @O2 immediately if they did.

O2 Issues Reports

Latest outage, problems and issue reports in social media:

  • martharose_x Martha Rose (@martharose_x) reported

    @O2 Yet again I have been unable to utilise a Priority offer despite me having already contacted you repeatedly in an attempt to resolve this ongoing issue. It really is time that this issue be escalated to management level as i am paying for a service that I am not getting.

  • rhianna_joseph Rhianna Joseph #PrayForDemi ❤️ (@rhianna_joseph) reported

    @O2 Hi O2 I need your help my account has been locked. Please help me.

  • bantstone Andrew Vanstone (@bantstone) reported

    @O2 why am I entering the second week of no signal! And paying for the pleasure, you need to sort this out and i expect a refund on my bill. Thanks. #notgoodenough #networkwork

  • RowanJ10 Rowan (@RowanJ10) reported

    @o2 I contacted customer services on Friday and gave a PAC code so a number port could be initiated. I was told it would be complete by 6pm Monday. I still have no signal - it’s 11:09pm, and have turned the phone on and off many times. Pls help.

  • gemkate16 Gemma (@gemkate16) reported

    @O2 hi is there anyway I can cancel my mums phone contract online. She passed away at the end of January.

  • jenmuns08 Jen Munslow (@jenmuns08) reported

    @O2 any tips on texts not working please? Helped my brother get an o2 contract at the weekend. His number transferred today and hes not getting 4g or able to send texts. I’ve told him to try the usual of phone off and on again, but anything else he can try? Thanks!

  • iandemo_7 Demo (@iandemo_7) reported

    @O2 Please DM me!! My wife has an issue and she’s struggling with her contract upgrade and the customer service staff are not getting the answers she requires!! I’ll pass her details on if you DM please

  • Johl_Evans18 johlevans672 (@Johl_Evans18) reported

    @O2 why am I paying for my phone when I have received 4 notification over the past two weeks regarding connection issues. Why do I pay you again.

  • billtheavtech William Gillingham (@billtheavtech) reported

    @O2 your communication is awful, quit your network ages ago. Now get a bill and your customer service advice on the phone is ‘go to a shop’ the fact that the letter is dated 23rd, arrives on the 27th and yet gives me 5 days?!

  • SophieC86123725 Soph ♥️ (@SophieC86123725) reported

    @O2 No one’s roaming with your **** network!