What does it mean to increase the advance amount of your phone bill from the original 5 yuan to 105 yuan?

The arrears 105 yuan can be used normally. With the progress of science and technology, many enterprises have begun to carry out activities to increase the economy. If the citizens receive the text message, the prepaid amount will be increased from the original 5 yuan to 105 yuan, which means that the telephone number can still be used normally when the arrears are 105 yuan. This is a new activity launched by the telecom company to attract customers.