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Resolved! Incoming calls - no caller ID

Since Thursday all of my incoming calls are coming through as ‘No Caller ID’. This includes all of my saved contacts. I’ve checked all of my phone settings, completed a network reset, installed the latest iOS,called O2 twice (they just googled it and...

My O2 issues signing in

For over 2 months I have been unable to sign into MyO2 account ‘oooops something went wrong ‘ etc etc I can sign into O2 on a web access but says ‘ no accounts linked to this’ !!!I have logged with O2 customer services several times and had it suppos...

Signal issues

Phone signal not working properly. Saying I have 4g etc and full bar but then telling me I have no Internet connection or not registered on network. Struggling to connect calls. I have reset phone settings, manual apn, reset connections, master reset...

Migration help please!!

Like many others I’ve upgraded from o2 to o2 using mobile phones direct for a much better deal. Am repeatedly being told my number is “in the process of being migrated” and will migrate “today” for the last 3 days. How can I escalate or resolve? This...

SIM not working in Lebanon

HiI wonder why is it the O2 service sometimes works and other times not working in Lebanon especially with SMS!Is there a way to resolve this issue?Thanks

Resolved! Cannot get any data in costa rica after buying bolt on

Your system for contact support sends you round on circles. You have no neaningful way to solve problems.I will change provider as soon as I can. Madening.This is a complete con to charge for a roaming service abroad that does not work.

Sim card not used fir while now saying not active on network how to make it work again

Trying to use my old sim card after not having a phone for a while but not active on network how do i make it work again

O2 data SIM on Zyxel 5103e router

HiI have a Zyxel 5103e router that is a Three branded router. I'm told it's unlocked and I just need to change DNS/apn settings to get my O2 data SIM to work on it, however I'm struggling with how to do that. I've added mobile.o2co.uk with 87.194.0.5...

Calls from the states to the uk

I can receive calls but not make them even though they are included in my contract.

# key not working

Hi. Have tried to sign into my NS&I account but unable to because I need to use the # key to enable authorisation & it isn’t being recognised. Advisors at NS&I have informed me this is a common problem on iPhones & the cause is the “DTMS files”? on t...

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