A, China Unicom users to send MMS charges are as follows: 1, to Chongqing Unicom for example: (billed by article) 1) 2G users: send - 0.5 yuan / article; 3G users: send - 0.9 yuan / article; 4G according to the selected package tariffs. 2) to receive: free of charge 2, the phone must have the following three conditions to use MMS business: 1, cell phone with MMS function 2, open the GPRS function 3, correctly set up Unicom MMS parameters three, MMS related settings (iphone phone as an example): 1, cell phone settings - information warm tips: due to the tariffs in various cities are not the same, please contact the local Unicom artificial customer service consulting or go to the local Unicom business hall to understand.