I spoke to Rob from customer service who was wonderful. He took the time to understand our situation (UK Sky Mobile phones but using in Ireland with very heavy data requirements) and suggested a solution that was cost effective and worked without us needing to replace our physical SIM cards (as that would necessitate travel back to the UK). He was super friendly, helpful and willing to think outside the box to resolve our issue. He also didn't put any pressure on whatsoever and genuinely wanted the best for us. He was absolutely amazing - thanks Rob! (the solution is working great!).