All HK and Taiwan SIM users must finish real-name registration before using data in Hong Kong/Taiwan, otherwise, the plan can’t be activated. Customer can complete the real-name registration through local network provider website: 

Click this link to register:

http://simreg.icard.com.sg:9982/?LT=en

 

Click here check the registration status:

https://www.icard.com.sg/pages/check-your-package-details

"Certified" means approved, can just restart phone and use when you are in HK/Taiwan.

"Not certified" means not registered/not successfully registered.

 

You can do it anywhere, package only will start when you in HK/Taiwan.

 

Sample: