Get tech support for your O2 issues

Resolved! New cellular watch assigned to my account - now I can’t make outgoing calls

HiI bought a new cellular watch which I attached to my account on Fridays.Since Saturday morning, I can’t make any outgoing calls, (watch or phone) all incoming calls are coming through as unknown number. I still have data, internet, text messages. w...

Call Failed - Unknown Number Incoming FIX

After Having this Issue Since getting my Apple Watch I came here for help ! One Customer said he had been to the o2 Shop and they had Disabled the 5G Bolt on. CEddie then this Morning said he had Googled turning off 5G On the Phone itself. So Hey Pre...

Resolved! Data abroad

Hi my data isn’t working abroad such as my safari WhatsApp or any internet features? Can you make it work please. Thanks

Resolved! Can’t make phone calls after setting up Apple Watch

HiI recently purchased a new Apple Watch via O2 and now can’t make calls from either my phone or my watch. I can receive calls but the numbers from my contacts are coming up as unknown. Any ideas on how this can be fixed? Thanks

Resolved! Call failed

I constantly get call failed on my phone, after reading online it says it could be a scratched SIM card which I looked at and can see it is scratched so I was hoping if someone could me in getting a new sim but keeping my current number? Thank you

Resolved! Not Receiving Verification SMS's

New Customer Here: Having googled this Issue I have Tried everything I have seen online Still to No Avail ! The very 1st Verification I used came through fine (Microsoft) Then Tried Gmail/PayPal/NHS App and None are coming through - Using an iPhone 1...

Resolved! Unable to send messages or make calls

I have been unable to send messages or make calls I have tried a replacement simwhich made no difference. Network not registered. This has been 3 days technical support not called back.

Resolved! O2 eSim not working

Hello,I have Pixel 6 - have both a physical O2 sim and an O2 esim. Last night my O2 esim stopped working but my physical sim still works. There is no signal on my O2 esim. When I try to "Choose Network" it says "Disconnected" and doesn't provide a li...

Cannot make calls on iPhone 12 pro

I cannot make calls on my iPhone, it shows “call failed” when trying to make a call. I can send and receive text and imessage, browse the internet perfectly fine. When any one calls me their number comes through as “unknown”. Anyone know of a fix for...

No access to my SIM card and I need a PUK code

I'm getting a message saying I can't access my SIM card and I need a PUK code. This has randomly started. Please help me - how do I get a PUK and why has it suddenly started asking for this?

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