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MCK code for transferring SIM to new phone

Hello I'm on a SIM only contract and I am trying to transfer my SIM to a new handset. After a few incorrect attempts to unlock the SIM (I got the incorrect PUK code online I think) the phone is now asking for an MCK code. I can't find much advice on ...

Resolved! Hot phone

Hi. I went for a long walk with my phone in the pocket. After 2h on the screen I saw something about being too hot,my phone switched off and I can't switch it on from yesterday. What can I do ? It's Samsung A32,only 3 months old...

Resolved! Cover and screen protector

Hi. When I upgraded I was asked if I wanted a phone case and screen protector which I chose. I did not receive this with my device, will it arrive soon or is there no order for them on my account?

Resolved! Discounts

I've upgraded my phone and tariff & my NHS discount hasn't carried forward & won't let me register as it's previously registered....any advice? Thanks

Resolved! Sim Swap or whatever

I lost my phone on Thursday afternoon. Rung O2 up and they blocked the device and sim. On Thursday I got a new phone and went into O2 store and got a digital e-sim QR code for new phone so I could get my number up and running. Was told sim swap would...

New phone, no signal

Recently bought a new I phone 13 pro max and got given a new SIM card was working but suddenly stoped and I don’t have any service. I’ve tried using my old sim but it hasn’t changed and I’ve payed my service charge, and there’s no problems in my area...

Resolved! Chromebook

Hi I've recently got a samsung chromebook on contract but I don't know how to get upper case letters on it I googled the problem and it said to press the alt key with the search key but there isn't a search key

Resolved! Just joined 02 but want to keep my old number from another network

Just joined 02 but need to keep my old number from another network

New 5 g sim

Just received I phone 13 5 g connected to internet 4g only and carnt ring out or receive phone calls

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...

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