Get tech support for your O2 issues

Resolved! Why does my 5G phone not connect to 5G?

Hello. I have a 5G enabled phone. My husband has exactly the same phone but is on EE. On several occasions recently my husband's phone has swithced to 5G and mine hasn't. Is there any restrictions on the O2 network that are stopping my phone from con...

Apple Watch Series 8 error 90

I recently swapped to O2 to have my Apple Watch set up with Cellular but every time I try to set up Mobile Service I’m asked to add the plan for £5 and I always get the error code 90 pop up after selecting the plan. I’ve tried phoning O2 and been in ...

Apple Watch error code 90

Hi, just bought an Apple Watch with cellular data, tried to set up mobile data but I keep getting Error 90. I specifically bought the watch for this purpose. Can anyone help?

Resolved! o2 number has not transferred to new phone

I have a new mobile with o2. I am an existing customer and the number has not transferred to my new phone.Can someone help ?

Resolved! Data use corrupt!!

I received an email and sms yesterday to say my Pay Monthly SIM only 500MB allowance has been used up yet I have not even used a tenth of that. My average monthly use is low 20 to 30MB. Something is wrong with the 02 data billing. When I checked on l...

O2 bars on phone.

Hi there,I am not sure what to do and hope you can help!Three weeks ago, I mislaid my phone so I rang O2 to have it barred. Luckily, I found my phone the next day (don't ask!) and so called customer services to have the bars lifted. They told me it w...

Resolved! Credit File Referral Team

I've have been waiting on O2 to resolve an issue for the last 3 weeks without any joy. I went into an O2 store to change from EE as I was at the end of my contract, my girlfriend is with O2 and spoke highly of them.I went through the credit check sta...

Poor 4g signal - no data

Over the last 5 to 6 weeks i've notice the O2 signal has become awful around north wales, Chester and Oswestry. Phone is showing 4G 4 bars but the data coming through is so slow or to the point there isn't anything.This problem isn't unique just to m...

Resolved! Sim not provisioned

Hi, I lost my phone and had my sim blocked. I’ve since received a replacement device and Sim. The sim is not working and displaying ‘sim not provisioned’ and ‘network not available’ I can’t get through to anyone to help - please help if you can!

No service

I have all the international bolt ons but no servicr

O2

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