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Area Codes

I've noticed recently that some of my calls/messages look like I've sent them from a different country, because they've been automatically prefixed with an area code. Even if I'm in the same locality, so there's no need for any different country code...

Mobile Data Drops Out

Hi, Since I swapped to an esim last year my mobile data always cuts off after a couple of minutes. I have to put the phone into airplane mode and then back to normal mode to get it working for a couple more mins. I have reset the phone, reset the net...

A-CS bar?

Hi - phone was working fine on a brand new contract but suddenly stopped receiving data, texts and calls, and it turns out an A-CS bar has been put on my account for no apparent reason by the ‘Corporate Higher Security Team’ (whatever that is) Anyone...

Resolved! Esim disconnection trap

Is there anything I can do other than travelling to o2 shop? I have upgraded to an esim, and been instantly cutoff from the o2 network. I can't login to myO2 with two-factor authentication in place and have no way of configuring esim? Is there a work...

No signal

I have no signal can’t phone out and can’t receive calls checked my my phone bill went out ok .

Phone Service Dissapeared After Data Plan stopped

Hi, I recently asked for the data plan for my apple watch to be stopped, yesterday without warning my phone service including 4g, calls and text messages just stopped working on my phone without warning. I've contacted O2 and they say they have not a...

Resolved! Wifi Calling

Good dayRecently switched to O2. My home has always had poor mobile signal and I've always relied on WiFi calling with my previous provider. I do not have the option to turn on WiFi calling on my phone since having an O2 sim card. I have an Iphone 13...