O2

For over 2 years, I've had problems accessing VAT invoices through My O2. If I click on any of the links to download current or previous bills, I get the error message:-"DASH_ERR04: The account number in the target address is invalid."If I log out an...

When I try and download a copy of my latest bill, I get the error "DASH_ERR04: The account number in the target address is invalid." Seems like something is very broken with MyO2 at the moment as it also offers me a free upgrade, but when I click on ...

I've had an ongoing issue (intermittently for about a year) where I'm not able to view the details of my bill. I log in to myO2, view the bill and click "Download and print latest bill" to download the bill. about 19 times out of 20 I get taken to th...