This service will no longer be available for 2G Customers after 31-Dec-2016
Hong Kong, China & Macau Roaming Assistance Service
In the unfortunate case that you lose your SIM when roaming in Guangdong Province (Dongguan, Guangzhou, Shenzhen, Zhongshan and Zhuhai) and Macau, an instant replacement can be arranged at the below designated locations and you may resume your roaming service within 2 hours:
The above business hours are applicable to Personal Customers only. For Corporate Customers, the business hours are : Mon-Fri 1000-1730, close on HK public holidays.