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What is Unicom's phone bill purchase?
A: At present, China Unicom has opened virtual card services in some provinces: sSIM No.1 dual terminal and sSIM wearable device independent number services. Among them, sSIM wearable device independent number service has been commercially tested nationwide for two years since March 29, 20 19. SSIM 1 has been opened in Shanghai, Tianjin, Guangzhou, Shenzhen, Zhengzhou, Changsha and Wuhan. Please call China Unicom customer service hotline 100 10 for details.