So next month I'm going to the UK and France with my iPhone SE (locked on a two-year contract with Verizon). Verizon's let me know that my phone is unlocked and good to go to switch out with another SIM. The problem is, I don't know which SIM to buy. I'm pretty sure I want a pay-as-you-go plan, and I've been looking at something like GigSky, but that's super expensive (like $50 for a gig of data) and only offers data. Anyone have any experience with any UK / French cell carriers overseas that can comment on their reliability / coverage / pricing?