Cell phone problem. In order to continuously optimize the "one door, one household" service, the Administration Bureau launched a brand-new version 2.0 on April 1 1. The download of the new one-door service in China and Macau can't be updated because of the problem of mobile phone, so it can be cleaned up and solved. Macau, China, short for "Macau", full name of People's Republic of China (PRC) Macau Special Administrative Region, is located in the south of China, on the west bank of the Pearl River Delta.