The days of grotesque four-figure bill shocks where users faced unexpected monthly roaming charges when returning from vacation or business trips may be a decade behind us, but operators are still guilty of imposing complex arrangements for overseas travelers, especially regarding data. In the UK, the situation has been compounded by Brexit since membership of the EU had guaranteed portability of national plans across all member states. Some UK operators have recently re-imposed roaming charges for subscribers travelling within the EU, now that the country has left the body. However, data roaming remains a major scourge for travelers everywhere and not just UK citizens in Europe. In fact, general international roaming charges are often higher than UK users face in…