My family and I went to Dubai for a holiday and my father bought a uniconnect sim card for me and my brother instead of us using the international roaming on our local numbers. Later we realized that it was bad decision we landed up spending asmuch as we would have on our Indian numbers in Dubai. We were feueling our numbers like crazy. Every 2nd day we were recharging it for 1000 bucks and still would run out with no proof of usage. And  when we asked for proper itemized bill we were refused saying since its prepaid we don’t keep an account of the calls that you make. Ultimately we landed up throwing those sim cards there only.