You can log in to the Wobaifu client to apply for financial discount of telephone charges, pre-deposit the telephone charges into the fund account, freeze them for 24 months, and apply for the fund to withhold the monthly telephone charges, so that you can enjoy the fund income for 2 years according to the original value of the pre-deposited telephone charges, and at the same time get the fund with the pre-deposited telephone charges of about 2%-3%. (The above content is only applicable to Guangdong Unicom users)