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Incoming calls showing unknown

Hello!I've found within the past week all my incoming voice calls have been showing unknown, even ones from people saved in my contacts. I'm using a xiaomi note 12 pro.Recently there's been a phone mast down in our area which means I haven't had any ...

Helyeah by • Level 1: Joiner
  • 589 Views
  • 1 replies
  • 0 kudos

Upgrading whilst abroad

I’d like to upgrade my tarif (sim only) but I’m currently abroad (in USA). Can I do this without any problems?

CBW by • Level 1: Joiner
  • 832 Views
  • 2 replies
  • 0 kudos

No messages

since I’ve changed to O2 I can’t send I messages my phone defaults to texts but they say they don’t send too

George23 by • Level 1: Joiner
  • 359 Views
  • 1 replies
  • 0 kudos

Resolved! O2 payg Not receiving incoming calls or texts

I can make outgoing calls and send texts, but not receiving calls or texts. Mobile data works fine. - tried resetting phone- tried sim in different handsets- tried in different locations (cities)- cleaned sim- done Sim Swap to new sim- DND is not ena...

Sunny11 by • Level 1: Joiner
  • 6409 Views
  • 17 replies
  • 0 kudos

Unlocking samsung S7

Wanted to use my old Samsung S7 with non O2 SIM but seems it's still locked to O2 and I just keep going in circles trying to get it unlocked. Mind I cannot make any voice calls which O2 seems are only offering if wanting to get in touch with customer...

HSmale by • Level 1: Joiner
  • 876 Views
  • 7 replies
  • 0 kudos

Resolved! sim

How do I order a new sin with my phone number? my sim has stopped working can only use my phone on wifi calling tried turning it off and on etc etc

Robster64 by • Level 1: Joiner
  • 403 Views
  • 1 replies
  • 0 kudos

Resolved! Upgrading

I was originally I virgin media customer But I have now moved over to 02 My contract ended with virgin so I have upgraded with 02 to a newer phone and aire timeMy question is my phone will come on Monday Will it come with a new 02 sim or can I use th...

Fes by • Level 1: Joiner
  • 372 Views
  • 1 replies
  • 0 kudos

Resolved! How to cancel bolt on

I have used all my data and I thought getting bolt on would give me extra data but it hasn’t I’m trying to cancel but don’t know how

Annie121 by • Level 1: Joiner
  • 638 Views
  • 1 replies
  • 0 kudos

How do I get my old number back?

I changed to O2 earlier this month and specifically stated that I wanted to keep my number. They've issued me with a new number. This has left me unable to access my online banking due to not receiving the verification codes. When I rang them up, the...

Liam95 by • Level 1: Joiner
  • 4428 Views
  • 9 replies
  • 0 kudos

Resolved! Top Up

I just tried to top up with a new card for £10 I got an error message saying payment was not accepted after I had verified the card with a card reader I then used a card previously accepted again for £10 . this was accepted without verification . Whe...

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