There is a balance in the mobile card. Why do text messages always prompt that the balance is insufficient?

At present, the balance reminder amount of mobile phone cards is generally 20 yuan by default, so once it is lower than the mobile 20 yuan, a short message will be sent to remind that the balance is insufficient, and the problem can be solved simply by changing the balance reminder amount of mobile phone cards.

The solution is as follows:

1. Log in to Mobile official website with your mobile phone number and service password.

2. After entering the personal center, the consumption situation will be displayed in the form of charts.

3. Continue to scroll down the page, find and click "Call Charge Service"-"Balance Reminder".

4. In the balance reminder interface, we can select the amount to remind.

5. On the operation prompt page, we select "OK" to confirm our change information.

6. After receiving the prompt of "successful transaction", it means that our balance reminder is set successfully.

7. After our mobile phone bill reaches the warning amount, we will receive the corresponding SMS reminder.