If you want to change the shipping address in the app, you can follow these steps:-

Open the app on your phone or your tablet. Go to the icon that looks like a person. Click on it.Then click on “Your Orders”Then select the order for which you want to change the shipping address.Then click on “Change this order” and then proceed to change the shipping address.  How to Change Address in Amazon After Placing an Order - 11How to Change Address in Amazon After Placing an Order - 20How to Change Address in Amazon After Placing an Order - 95How to Change Address in Amazon After Placing an Order - 47How to Change Address in Amazon After Placing an Order - 44How to Change Address in Amazon After Placing an Order - 62How to Change Address in Amazon After Placing an Order - 48