Amazon Prime Day is a major sales event, prompting many to sign up for Prime memberships. However, if you decide to cancel your membership after the event, you can do so easily through both the Amazon website and mobile app. To cancel via a browser, log into your Amazon account, hover over the 'Accounts & Lists' menu, select 'Prime Membership', and follow the prompts to click 'Cancel Your Prime Membership'. For mobile users, open the Amazon Shopping app, navigate to the Prime section, and follow the instructions to cancel. It's important to note that canceling your membership will immediately terminate your access to Prime benefits. Alternatively, you can pause your membership temporarily. If you signed up through the Android app, you must manage your subscription through Google Subscription. Remember to cancel before the end of your free trial to avoid any charges.