Airtime charges

[Greenwich49]

What am I doing to be charged £6/ day while in South Africa

[madasaf1sh]

@Greenwich49 

Making or receiving a phone call, sending a text  or using data will trigger the £6/day , check your apps are not set to use background data and WiFi isnt set to use WiFi assist as even 1Kb of data will trigger the charge

[gmarkj]

You could be making or receiving calls (including those sent to voicemail), sending or receiving text messages or using data @Greenwich49 

See if this helps at all:

Guide: Your guide on how to use O2 Travel 

I'll add the correct link here (not the old guide which is out of date):

Guide: Roaming MegaGuide 

o2 Travel Bolt On 

[MI5]

@Greenwich49 

If you have Travel Inclusive Ultimate, it's free to roam there.

https://www.o2.co.uk/international/using-your-phone-abroad