Get tech support for your O2 issues

Resolved! 3G sim card in 4G phone

I have an O2 Classic Pay as you Go sim card. It was originally in a 3G phone but has been transferred to a new 4G phone, where it works all right at present but when making calls the screen says 3G even though the phone itself is 4G.I get messages fr...

On the off chance anyone knows, Samsung gt c3590, how to save SMS to phone not SIM

Just swapped my SIM to a fresh one whilst keeping the same handset, almost everything working fine except that incoming and sent SMS messages seem to be saving themselves to the SIM rather than to the phone's memory. I suspect this is a "bad thing", ...

Resolved! Ported number from EE to O2 and not receiving 2FA / Verification SMS messages / texts

Hi, I hope someone from Tech Support can help me on here because the normal routes have proved fruitless so far. I've moved to the O2 network from EE with a new phone and I'm having trouble with the number port. After the port, calls seem to be worki...

No service since starting a new tariff.

I changed my sim only tariff yesterday for better deal and I’ve woken up this morning to no service. I’ve tried switching phone off, toggling airplane mode and manually selecting 02 as network but still nothing. Any ideas? Thanks

Phone been barred

My son’s phone was stolen but I accidentally barred the wrong phone. I contacted o2 on Friday morning and she said she had lifted the bar and obviously barred the stolen phone. However the phone is still not working since she removed the bar. Is this...

Roaming issues!

Landed in Kos, Greece on the 8th June 2025. Plane landed, turned my data back on and roaming. Within a few minutes I received a text from O2 stating I had access to my data etc etc just like normal. Since the 13th June my 5g signal has completely cut...

Incorrect information regarding 4G phones?

My Dad has received a text saying that his phone is not 4G compatible.I have a new easy to use 4G compatible phone which he can have. I checked to see if it was compatible using the O2 phone checker and it said it wasn't.The text sent from O2 suggest...

Contract to PAYG

I changed from Monthly to PAYG within O2 on the 29th May. Within 24 hrs my temporary number was working and my keep number I wanted migrated seems to be blocked between O2 Contract and O2 PAYG. Neither of the customer services and sort this issue out...

Resolved! Contact number

Does anyone have a telephone number you can call to O2 to discuss current plan and possibly changing this? I’d rather speak to a human! Please

Resolved! Making calls on an ipad

My partner has bought an iPad with a monthly pay sim we've put the sim in the iPad and tried to make calls but it just cuts u off when it starts ringing we don't know what to do to be able to make calls on his iPad..

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