Check this newpaper article out.
http://www.straitstimes.com/Free/Story/STIStory_261775.html
Assuming the journalist knows what he/she is writing about,:
The guy got the phone from Hong Kong, and his M1 SIM card worked, when the official carrier in SG is SingTel, so that means the HK iPhones are pre-unlocked.
Time to ship iPhones form HK?
http://www.straitstimes.com/Free/Story/STIStory_261775.html
Assuming the journalist knows what he/she is writing about,:
The guy got the phone from Hong Kong, and his M1 SIM card worked, when the official carrier in SG is SingTel, so that means the HK iPhones are pre-unlocked.
Time to ship iPhones form HK?