I...did pay by Direct Debit. It prevented no such issues. I've been
paying by Direct Debit for my entire time with O2 (which is 10+ years)
and literally never had an issue until this latest payment.
I'm experiencing exactly the same issue - I paid by Direct Debit on
Wednesday 20th December and O2 are saying that the payment has failed. I
spoke to an O2 advisor who recommended I get in touch with my bank. I've
done so and they've confirmed the pa...