1. After opening "Warburg Smart Investment" on your mobile phone, click the "Transaction" option in the lower left corner of the home page.

2. On the page of "Ordinary Transactions", click the option of "Subscription of new shares/bonds".

3. Enter the correct transaction password in the pop-up window.

4. Enter the subscription page, and click on the column of "Reservation Subscription".

5. In the "Fill in the reservation form", click the "purchase time" option.

6. Select the subscription time and click OK to set or modify your subscription time.