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Resolved! Old device showing on My o2 account online

Hello there. I bought a 4s handset from a friend back in 2015. I then went to an o2 store to get a sim only deal which I ended up having until October 2020. In October last year I went to an O2 store to get a more up to date handset. I wanted to keep...

Rose_23 by • Level 1: Joiner
  • 898 Views
  • 4 replies
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Resolved! Voicemail

My phone keeps telling me I have voicemail, I've had alerts and I have the red dot next to the icon, yet when i ring my voicemail it says I have none. How do I fix this?

Resolved! London Underground Wifi

All of a sudden my mobile will not connect to the london undergound wifi. If I go through virgin media and press the o2 icon, when i enter my number it just keeps coming up with "sorry, we've encountered an error and you have not been signed in" I ha...

Resolved! how do i actually speak to an o2 member of staff

My old phone is no longer working & cannot accept a charge, so receiving a text is not possible. To set up my new phone it ask me to keep the phone close to allow the transfer of data. Not possible as phone broken. I have tried using my old sim & new...

Craig451 by • Level 1: Joiner
  • 712 Views
  • 1 replies
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Resolved! Paying off device plan

I have been ringing 202 to try and pay my device plan off. As soon as I say make device plan payment it gives me details on how much I owe on my monthly plan then kicks me off! on the website I can make additional payments on my telephone bill but no...

grslfc by • Level 1: Joiner
  • 557 Views
  • 1 replies
  • 0 kudos

Security Questions

I recently got a text from O2 after the customer services asked me a anumber of questions. All I wanted to do was pay my bill. I could not remember my memorable word, so I failed security. Now I have got an email saying I have changed my security que...

M13 by • Level 1: Joiner
  • 796 Views
  • 2 replies
  • 0 kudos

Resolved! 'Invalid SIM card. Network locked SIM card inserted'

In short, I have changed my network from O2 Mobile to Superdrug Mobile. My phone is a Samsung Galaxy S7, I paid off the phone from O2 last year. I have switched my number from O2 to Superdrug. However, when I switch on my phone I am prompted with the...

Resolved! can't open emails, apps or access links through FB

Hi. For the last couple of days when I've tried to access my emails the app has just stopped working and closed. It's the same with the o2 app and trying to open links in FB, my phone will just freeze and then shut the app down. I've cleared the cach...

Tracy_F by • Level 1: Joiner
  • 1460 Views
  • 6 replies
  • 0 kudos

New network sim swap activated but phone not working

I recently swapped my sim for the one O2 sent as part of the network upgrade. I completed the sim swap, texting 20220 from the old sim and getting the security code back which I entered using the new sim (I think, I can't actually remember now). I di...

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