Hi all    Long story short, I am South African living in the UK for the past 6 years.   Roughly 4 years ago, I went to Thailand for a 3 month holiday. That was cut short due to O2 taking money out my account including clearing out my overdraft, roughly £2200.   At the time I had no idea it was O2. I thought I had been robbed.   Any way turns out, there is a overseas tariff for using your contract overseas?! I never knew about this, nor