I do knot how roaming works. What I didn't realise is that their system
can't be wrong because they saw 6KB of data usage their roaming partner
might or might not pass that onto them when the mobile data was
completely OFF during the day concerned. I...
Same issue on two of my recent trips outside the EU so I got charged £6
per day several times (never happened when I was with another network).
Same response from CS and avoided my request for proof of ACTUAL usage.
They even charged me to opt-out o2...
