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Resolved! O2 does not recognise my new device.

I have been with O2 for 20 yrs. My husband died in March and I decided to move from my Doro and take over his S7 Edge. After weeks of difficulties, my old SIM number was finally swapped but now O2 tell me that the device is not registered. I cannot r...

Resolved! No signal

I have emergency calls only. How do I contact o2? I can't call them. No signal. I got new sim coming next week but I am now left without a signal to contact anyone.

Mobile broadband issues

I have had a TP link mobile router with an O2 data SIM for about 2 years to use in our static caravan in the Yorkshire dales. We have had excellent download speeds to enable us to stream Netflix, NOW TV etc; however, for the past few weeks we have in...

Resolved! Battery draining on watch

The battery on my galaxy watch 4 is draining very quickly. How can I fix this.

Resolved! Change new phone number to old number, how log does it take

I requested yesterday to change my new phone number with my old number, both numbers are with 02, how long does it take

Resolved! PAC Code- Temporary Number still showing on iPhone

I bought a sim only deal with O2, and arranged for a PAC code to bring my number from Vodafone to O2.I went through the PAC process, and calls/texts to my number (iPhone 12 Pro) now come through on the O2 sim. However, under Settings-Phone- My Number...

Resolved! No Sim message

Yesterday I received a message saying No Sim. We have tried using another SIM card in the phone and it works perfectly. We also put this sim in another phone and it came up with the same message. It looks like the SIM card is broken. Could someone pl...

Resolved! call aborted

My elderly mother has a Doro 5516 mobile with O2 'pay as you go'. Recently, when she has tried to make a call, it either says something like 'call aborted' and she can't dial out, or it says 'call aborted' first and then the call is dialled anyway. S...

Resolved! Disconnected for 7 days (and counting)

I have an old(ish) mobile phone that I use mainly for receiving texts from various online services that have two-factor authentication as a condition of access. It has an O2 PAYG SIM with a remaining in-credit balance of £7.40. Last Thursday, 7 July,...

Resolved! My iPhone can’t send photos to an android phone

Picture messaging is not working when I send to android phones

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