How to print the electronic invoice for mobile phone consumption?

Log in to China Unicom APP > service > query > basic business query > electronic invoice > select print invoice type > select month > click open electronic invoice immediately > enter SMS receiving number and email address > print by email or download and print in the network hall.

After the invoice is issued by the mobile phone, you can wirelessly connect the printer to print the electronic invoice, or you can send the electronic invoice to the mailbox and print it on the computer.