Reward me. A short message just came from 10086, saying that my credit overdraft limit should be adjusted to 50 yuan. What do you mean? Do I owe traffic or call charges?

Not that you owe traffic or phone bills. Credit overdraft refers to the maximum amount you can owe. Generally speaking, once the phone bill is used up, the mobile company will stop the service immediately, and the phone and SMS will not be used, but the credit overdraft will let you continue to use it until the overdraft limit is exceeded. It is suggested that when the phone bill is insufficient, if there is overdraft, it should be recharged in time. The answer is for reference only.