0h, tell me what happened? nothing. 0h, your phone didn't go off? no. what do you think about that? not a lot. many who didn't get the alert were on the three mobile network. in a statement, the company said it was working with the government to understand why, and to ensure it doesn't happen when the system is actually used for real. the government says the vast majority of 4g and 5g phones received the alert, but said it was working with mobile operators to review the outcome and look at any lessons learned. one might be to check the spelling — after people in wales complained, the uk gove...