What's the use of customized monthly bill and phone bill balance reminder service in mobile handheld business hall? Is there a charge?

There is a charge, but the mobile charges vary from place to place. It is best to call local 10086 for consultation! Monthly bill customization is to send you your monthly phone bill consumption in the form of bills. There seems to be a reminder of the phone bill balance. When your mobile phone bill is below 15 yuan, 5 yuan will send a message to remind you, but your credit rating is in it. The reminder service you mentioned seems to be a reminder function of your own phone bill shortage.