Unicom 3g network coverage

1. Unicom has covered 3G networks in most parts of China. You can log on to the home page of Unicom's online business hall /02oec, and click Convenience Service > International Roaming Fees for Taiwan, Hong Kong and Macao > Global 2G/3G Coverage Inquiry > Domestic 3G Coverage City List to inquire about China Unicom's domestic 3G network coverage. 2. You can also consult customer service 100 10, depending on the actual situation.