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5G Data not working on Samsung Galaxy S21 Ultra

Hi i have been having an issue with my Samsung Galaxy S21 Ultra 512GB. I have had 5G showing on my phone for quite some time and my phone has been using data whilst it is displayed. However yesterday, I updated my phone and ever since my data stopped...

gurryb93 by • Level 1: Joiner
  • 1163 Views
  • 2 replies
  • 0 kudos

Resolved! SAMSUNG Z FLIP PHONE

Hi I've just had a line of light appear up the left hand side and across the fold on my flip phone

Tang7 by • Level 1: Joiner
  • 483 Views
  • 2 replies
  • 0 kudos

Resolved! Vodafone customers can’t call me

I moved from Vodafone to o2 last week and used my PAC to keep my number. Since the switch my friends and family who are with Vodafone next work can’t call me it just cuts them off but other networks can. I have called customer service 5 times and the...

Loulou5 by • Level 1: Joiner
  • 951 Views
  • 1 replies
  • 0 kudos

Resolved! New sim

I have recently been in touch with O2 as my phone was not receiving any 2-step verification codes for accessing online accounts (shopping,paypal, banks) after removing sim card eventually it did fix the issue. After it happened again O2 have decided ...

missjt54 by • Level 1: Joiner
  • 486 Views
  • 2 replies
  • 0 kudos

London Underground Wi-Fi issues

I made this thread here and nobody from O2 ever responded: https://community.o2.co.uk/t5/Tech-Support/London-Underground-Wi-Fi-never-auto-connects-again/m-p/1581964#M26541. The issue remains unresolved, my iPhone will not auto connect to the Tube Wi-...

Resolved! activating a replacement sim when abroad

Hi,My phone was stollen when abroad. I locked the SIM and ordered a replacement. I received an email informing me to activate it by sending a text to a UK O2 operator, but I am not in the country and so not directly connected to the UK O2 network. So...

Resolved! No signal

I have no signal whatsoever, I’ve changed to my o2 SIM card a day ago and now I have no signal anywhere, I can’t even find the network on my phone. Can anyone help?

FfiLew by • Level 1: Joiner
  • 365 Views
  • 1 replies
  • 0 kudos

Resolved! CHANGING E-MAIL ADDRESS

Hi need to change my e-mail address. Can't see anything under Manage Contact Preferences so any help appreciated, thanks. GD

GilDo by • Level 1: Joiner
  • 520 Views
  • 1 replies
  • 0 kudos

SIM unlock Unsuccessful

Hi, I've recently had to shift my network because the 02 coverage around where I live is non-existant. In attempting to switch networks, I learned that my phone is currently network locked, so I can't switch the phone's network over. I bought this ph...

Vertex by • Level 1: Joiner
  • 694 Views
  • 2 replies
  • 0 kudos

Can't call abroad (number not recognised)

I've been trying to call someone in the US for a while now, I've triple checked with them that the number is correct, I've made sure the + and everything is how it should be but O2 keeps telling me the number is not recognised. They can call me just ...

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