Too bad cannot give zero star
Too bad cannot give zero star! Need to give at least one star. Not only no coverage underground, even in various part of Singapore above ground, the coverage is also bad. Simba forces u to pay for two months. If you want to port out within 30 days, they will ask you to pay $30 for registration of SIM card. You have to pay for the full second month even if you u on on the first day of the second month.