3香港
https://iphone.three.com.hk/registration/chi/regform.jsp
CSL
http://iphone.1010.com.hk/prereg/1010/csl.do?method=showReg&language=zh&profile=&channel=
SmarTone
https://i4.smc-voda.com/jsp/tchinese/iPhone4s-register-now.jsp
