Get tech support for your O2 issues

Resolved! Phone asking for MCK code

Hi Folks, I had an old Samsung phone which I passed on to my nephew to use several months ago. He has been using it SIM free only connecting to wifi for home use. My sister just brought him a SIM card to use, but the phone was locked to O2 and it see...

Existing O2 phone number is not being migrated to a new O2 contract

I have an existing O2 contract/phone and have recently taken out a new O2 contract through a third party and trying to get my existing number migrated to the new contract. I've tried five times through the week being told it will transfer in 24hrs to...

5G

I recently moved from Virgin to O2 and was sent a 5G sim card. Since then I have never got 5G signal on my iPhone XR, even when sitting net to my wife who has 5G on her phone. Is there a work around ?

O2 App

Hi I am having an issue witb o2 app, I can no longer log in to the app. It states its not available to me. This has been the first time it's happened since I took the contract and I'm not sure why I can't access it to pay my bill or anything. I tried...

My 02

Why can't I look at my account on my o2. I've had this problem for years now. It can't be that difficult for me to pay bills etc online surely

Resolved! Change Tariff to PAYG

Hey, I've been every on the site, spoken with agents and it seems impossible to cancel my tariff even though it's passed the minimum length. Please can someone just tell me at least how to change it to pay as you go. Surely it's illegal to make it im...

Bought a new phone

Do I have to go through the sim swap business again

Resolved! I need to unlock my old o2 iPhone, I’m no longer a 02 customer. The links are only for o2 customers

I’m going round in circles here, need to use my old phone whilst my new phone is repaired. Old phone is locked to o2, new sim is for three mobile. All the links I’ve tried seem to be for current o2 customers. Any help please.

Not receiving Santander OTPs since porting from EE - other texts are fine

Hi - number ported from EE to o2 yesterday. All other calls and texts are received fine. OPT from HMRC has been received but no OTPs from Santander are received. These are needed for business banking. No spend cap on the account, 18+ activated, numbe...

Wifi call connection not working

I have problems with receiving and making calls from home, which I have already reported to you. G4 is switched on according to you, but are not working at home. Also my phone tells me to go on your website in order to connect to Wifi calling. We fol...

O2

Forum Posts

Resolved! Phone asking for MCK code

Existing O2 phone number is not being migrated to a new O2 contract

5G

O2 App

My 02

Resolved! Change Tariff to PAYG

Bought a new phone

Resolved! I need to unlock my old o2 iPhone, I’m no longer a 02 customer. The links are only for o2 customers

Not receiving Santander OTPs since porting from EE - other texts are fine

Wifi call connection not working

I cannot seem to add a data bolt on to my account

Unable to add more than 100mb bolt on

Bolt on options not working

Buying a bolt on

Do I need to change my phone before 3g is turned o...