Nowhere in the terms and conditions for 3 mobile broadband does it state that customers have to wait for the start of the next billing cycle to change their monthly price plan. I wanted to upgrade my monthly capacity after I ran out of usage but was told I could not receive any more megabytes at the price I was paying until my next bill came out, some 12 days away. During those 12 days, I had to pay the ''pay as you go'' rate for usage, which I needed for my internet job, but the price had risen by THREE THOUSAND FIVE HUNDRED PER CENT. Consequently, I was left more than two hundred pounds out of pocket because of Three's unclear terms and conditions and the executive office's refusal to concede any wrongdoing. I have reported the matter to Otelo and shall proceed to the small claims court if they do not find in my favour over this rip-off.