Your Mobifone subscription is running out of credit and you urgently need to communicate. So you want to advance Mobifone credit to continue communicating but you don't know the Mobifone advance credit syntax? Refer to the article below to learn how to advance Mobifone credit quickly.

Below is a detailed guide on various ways to advance Mobifone credit, you can refer to choose the most suitable method.
1. Fastest way to advance Mobifone credit
Eligibility and conditions for Mobifone credit advance:
- Prepaid subscribers with at least 360 days of activity.
- Account balance at the time of advance is less than 300 VND.
- Subscribers with active two-way communication.
- Subscribers without previous outstanding advance credit debts.
Mobifone's quick credit advance syntax: UT send 900
(after receiving a message from the switchboard, follow the instructions).

Important Note:
- You will receive 3000 VND in KM3 account for making calls, sending texts within the network, and across networks. This account cannot be used to register for 3G, 4G, or other services.
- The advance fee is 300 VND per transaction.
- The advance amount plus the fee will be deducted from your next card reload or deducted from the amount transferred by other subscribers.
2. Advance Mobifone credit with the Fast Credit automatic credit service.
Conditions for using the Mobifone automatic credit advance service:
- Subscribers active for over 3 months.
- Minimum usage of 15,000 VND from the main account within the last 3 months.
- Subscribers need to have at least one top-up transaction per month.
- Subscribers with active two-way communication and account balance below 5,000 VND.
How to use the automatic credit advance service:
If you meet all the requirements above, your subscription will receive an invitation message to advance credit from switchboard 9015 or 9779, follow these steps:
- To agree to advance credit from the advance credit service, compose a message with Y and send to 9015 (or send to 9779 – depending on the message sent to your subscriber), note that the message must be sent within 24 hours from receiving the invitation message.
- If you no longer want to receive advance credit invitation messages, compose a message with TC and send to 9015 to reject the advance (if you reject, you will not receive advance credit invitation messages from 9015 next time).
- If you want to register for advance credit again, compose DK and send to 9015.

Note:
- You are not allowed to select the advance amount as the system defaults in the advance invitation message.
- The advance amount is immediately credited to the main account.
- The advance fee ranges from 10% to 30% of the Mobifone advance amount depending on the advance invitation message.
- The system will deduct the advance amount plus service fee immediately when you reload a new card or receive money from the Mobifone money transfer service.
Now that you know how to advance credit with Mobifone's credit advance services, you can advance credit when needed for usage. Wish you success!
