Talk:France/@comment-31688264-20170528104554/@comment-24682153-20170528221717

Orange Mobicarte should give most likely 4G/LTE roaming on EE in the UK and definitely 3G too. Roam like home is already implemented in France with Orange for EU roaming and the UK is still in the EU. So you won't loose money, but in the long term it's cheaper to buy an UK SIM.