It can be analyzed in the following ways:

1. There is no interest on the installment of mobile phones, and it is not allowed. Generally, it is about 5-6% of the total amount, which is the so-called handling fee. Depending on the store, it varies from 1% to 4.5% per period according to the length of the installment.

2. Pay the handling fee every month. The calculation method is: transaction amount x (1 ~ 4.5)%+transaction amount ÷ number of periods = monthly payment amount.

3. Generally, the actual payment for buying a mobile phone by installment is about 5 to 6 higher than the price of the mobile phone. Extended information

1. The installment repayment of the bank is a installment repayment business launched to avoid default interest according to the total consumption limit when the customer is unable to repay the overdraft amount of the credit card at one time.

2. Compared with installment payment, installment payment is different in application procedures and application scope. For example, Xiao Li wants to buy a mobile phone by installment, so he should go to a store that cooperates with a credit card. The installment repayment business does not need to specify the place and category of consumption. If customers realize that they can't repay in full on schedule after swiping their cards, they can call to apply. However, it should be noted that the handling fee for installment repayment is higher, which is generally higher than the commercial loan interest rate in the same period.