Hey Guys, if you ever do not want to lose out on important conversations or deals, you should never use this Worst all services from this company called Clay Telecom. You will never get any network coverage wherever you travel internationally or if by mistake you do get some signal the voice quality is shit!! Not only will u lose out on conversations but also ur money which they will never refund!! Clay sim cards suck !! Ruined my trip to the UK you guys!