Why can't I send text messages when the phone bill is less than 20?

Generally, the phone bill generated by you in the current month is not deducted from the account balance, so it is not your current actual balance, and your current actual balance is only deducted from the phone bill generated by you in the current month. It is not excluded that your number balance is not enough to deduct the arrears, which makes it impossible to send text messages.

In addition, the mobile phone can't send short messages, so you can try to restart the mobile phone or change it for testing to see if there are any of the following situations:

1 SMS center number is set incorrectly, please re-enter the correct SMS center number;

2 No signal or insufficient battery power;

3. Because the system is busy during the holiday short message sending peak period, it is suggested that you try again later or avoid the sending peak period;

4 The sending format is incorrect. If you send a short message to PHS users, you need to add the area code before the number;

5 SMS sending time exceeds 24 hours;

6. The mobile phone shields the short message sending function;

7 blacklisted by SMS;

The balance of number 8 is insufficient;

9 SMS Inbox and Outbox are full.

If the above reasons cannot be solved, you can contact the local manual customer service or go to the business hall to confirm whether the SMS function is enabled and hand it over to the staff.

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