If you call to activate automatic installment, it will take effect on the same day! ~ And every purchase you make in the future will be automatically paid in installments. So you can call the customer service hotline: 4008-1-95595 to apply to turn off automatic installment when you don’t want to make installments! Each purchase is yours alone! ~ In other words, your consumption of turning on automatic installment and turning off automatic installment are independent! And they are all effective on the same day!