It's better to buy it H-2 yes :D so you won't be nervous because you haven't been given a QR code in the follow-up email because there are operating hours. but finally it can be used, the network is ok, there are no connection problems
if the roaming package is cheaper, it's better to just use the roaming package, because for credit card transactions in the Bolt Thailand application, the Indo Cellular Line must also be active :D