The largest Hong Kong wireless network--"3" SIM Card will set you free from ridiculous internaitonal roaming fee. Data usage is HK$2/MB and up to HK$28 per day for unlimited daily data access. You will never worry about expensive data charges of e-mail, map searching, or social networking. This SIM is the best choice for your smart phone and i-phone when you're in Hong Kong. Receiving a call is only HK$0.3/min. You will also get a bonus of $52 for voice (about 173 min)! This SIM package include (1) a SIM卡, (2) a Hong Kong local mobile phone number, and (3) HK$98 credit in the account. "3" has the largest wireless network in Hong Kong. You will never have to worry about its signal reception and call quality.
Three has the largest wireless network in Hong Kong. You will never need to worry about signal reception.
Dial ##107# and press SEND/OK to check the balance