Vietnamobile would like to provide you a very convenient service: receive postpaid bill with Ebill service. 
With E-bill, Vietnamobile will send to you detail usage and postpaid bill in 5th date every month. In order to enjoy this convenience service, please follow instructions below

Step 1: Please call 789 to get instructions from call staff. 
Step 2: Please provide information including: Name, Phone number, Email address (1 subscriber can only register 1 Email address. 1 Email can receive postpaid bill of different subscribers). 
Step 3: Vietnamobile will confirm to you one more time. After confirmation, Vietnamobile staff will register Ebill service for your provided phone number and Email address. 
Step 4: After successfully registration, our system will send one confirmation sms. You only need to compose ‘EB’ send to 123 to complete registration.

In case you want to replace your current Email address, you need to repeat 4 above steps and provide new Email address that you want to replace.