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Sim still active after transferring

I left O2 and went to Vodafone. My new Sim is working but so is my old O2 Sim, my iMessage and FaceTime won’t activate and it says in my settings that my number is unavailable for iMessage and FaceTime. I’ve done troubleshooting with Vodafone and App...

O2 app

My O2 app keeps appearing to have an error whenever I try to log in. The ‘it takes approximately 48 hours since you created the account for the app to work’ but its been almost a week. What should I do ?

No data transfer

I have signal but cannot access any websites, Whatsapp etcI have 300GB of data on my bundle

web chat

why cant i livechat on the website i do not have a phone to talk with due to o2 failing to deliver it how can i talk to o2?

Resolved! Technical support

I need to move my Apple Watch mobile sim to my new watch

Resolved! I can’t text premium rate number

Why can’t I text premium rate number?

I get a "SIM Not Supported" Message when trying to install a new EE SIM card. Please help

Hi,I am moving to a cheaper tariff on EE and they have sent me a new SIM Card. On restarting my iPhone7 (which I originally purchased from O2, and with I still have the purchase documentation for), I receive a "SIM Not Supported" message and the only...

Resolved! IMEI NUMBER

Where can i find my IMEI number on your website

New Sim

Hi I've texted on my old phone for Sim Swap which I assume is correct. My number is still working on my old phone. I assuming it will swap at some point then my new sim will work on my new phone and stop working on my old phone.

Unable to disable voicemail by calling 1760

PLEASE HELP I have tried to call 1760 to disable my voicemail. The automated voice confirms my voicemail has been disabled.However, when I have someone call my phone, they can still leave me voicemails. How can I turn off the ability for people to le...

O2

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