O2

Hi,I am trying to find what date I joined O2. There is nothing obvious in my account details.thank you

Hi,I have a ZTE Blade A520 and I am trying to extend the ringtone length, I have the code but when I try it, I get an error "call forwarding, connection problem or invalid MMI code.If I switch off voicemail, the ringtone plays until I answer. With vo...