Have. Unicom delinquent downtime when more than three months in arrears, cell phone downtime automatic cancellation will affect credit, is by the impact. Unicom in 2009 by the former China Netcom and the former China Unicom merger and reorganization, the main operation of the big connection, big computing, big data, big application, big security five main responsibilities and main business, in the domestic 31 provinces (autonomous regions, municipalities directly under the central government) and outside the country with a number of countries and regions with branches, with national coverage, access to the world's digital information infrastructure and global customer service system.