Instructions on how to top up Viettel, MobiFone, and VinaPhone mobile phone credit (latest 2025)

Sending money via mobile phone is a quick and convenient solution to instantly transfer funds to family or friends in urgent situations. Below is a detailed step-by-step guide for popular mobile networks including Viettel, MobiFone, and VinaPhone, along with syntax, fees, and safety precautions.

1. How to transfer money to Viettel subscribers (i-Share)

Viettel's i-Share service allows prepaid subscribers to transfer money anytime, anywhere without registration or recurring subscription fees.

Method 1: Using the My Viettel app

Step 1:Open the My Viettel app and log in to your personal account.

Step 2:On the home screen, select the itemUtilities, then find and click on the featureiShare Money Transfer.

Step 3:Enter the recipient's phone number and the amount to transfer, then confirm the transaction.

Method 2: Using USSD commands (Enter the code directly)

To do this, you need to obtain the money transfer password (8 digits) by sending a text message:MKsend136(free). Then use one of the following two methods:

• Press*136#Press OK, then follow the system instructions.
• Press the quick command key:*136*Password*Recipient's phone number*Amount#Then press OK.

Method 3: Compose a text message requesting a money transfer.

The recipient can proactively request assistance from others using the following syntax:CT [Sender's phone number] [Amount]Send it to the hotline. The sender simply needs to follow the confirmation message from the system.

Note:The maximum transfer amount is 50,000 VND per transaction and 300,000 VND per day. Service fees start from 2,000 VND (equivalent to 15% if the transfer exceeds 20,000 VND).

2. How to transfer money to a VinaPhone subscriber (2Friends)

The 2Friends service allows money transfers between VinaPhone prepaid subscribers who have been active for over 360 days.

Register for the service:CompileDKsend999The system will provide a 6-digit password.

• Method 1 (SMS):CompileCT [Password] [Recipient's phone number] [Amount]send999.
• Method 2 (USSD):Press*999*Password*Recipient's phone number*Amount#Then press OK.

Fee:The fee ranges from 1,000 VND to 3,000 VND for transfers under 50,000 VND. For amounts over 51,000 VND, the fee is 5% of the transferred amount.

3. How to transfer money to a MobiFone subscriber (M2U)

The M2U service allows MobiFone prepaid subscribers to quickly transfer money from their main account.

Register for the service:Press*117*Password*Password#Then press OK (maximum password is 5 digits).

How to do it:Press*119*Recipient's phone number*Amount*Password#Then press OK.

Note:The minimum transfer amount is 1,000 VND, the maximum is 50,000 VND per transaction, and 300,000 VND per day. The service fee is 15% of the transferred amount, deducted directly from the sender's original account.