If you call Unicom customer service hotline in other places, you usually need to dial the area code. 100 10 customer service is Unicom's unified service hotline. In case of sudden traffic such as failure and charge deduction, the connection rate will drop, and we are very sorry for the inconvenience. I suggest you call again another day or use the online business hall/sabmm;
4G primary and secondary cards:/02 UPY;