3HK:
https://registration.three.com.hk/iphone/chi/form_prereg.jsp
csl.:
https://order.hkcsl.com/2014/csl_tch/csl_pre_order.jsp
1010:
https://order.hkcsl.com/2014/tch/1010_pre_order.jsp
Smartone:
https://www.smartone.com/tc/REDPass/index.jsp?s=00152d0b46605031395e78477069
中國移動香港:
http://www.hk.chinamobile.com/tc/flagship_handset_registration
Apple Store(由9月12日起接受網上預定):
http://www.apple.com/hk/retail/iphone/