We're travelling to the UK at the end of March and we're staying, mainly in Bristol, for 2 and a half months. The problem is that we don't know which phone operator we should use. I've heard that 3 has pretty good coverage in Bristol and the price is acceptable, but we would like some more opinions from real users/locals. We're also travelling to several parts of England and Scotland like York, Edinburgh and Glasgow, so signal coverage is very important, as well as data allowance and cost since we need to contact our families overseas (instant messaging applications have never been such a necessity!). We are going to go to Paris as well, so we would like to know if we should apply for roaming service or just buy a new SIM card there. What do you think? Which operator do you recommended?
Also, we would like to know how to reserve train seats online, like via apps or website. I myself have downloaded the thetrainline app and tried using it before, but I am wondering if there are any better ways to do this?
Thank you very much!