How can use?
How to redeem Amazon Prime card:\n1- Open the Amazon app on your phone or tablet.\n2- Tap on the menu icon (three horizontal lines) and then select "Your Account".\n3- Scroll down and tap on "Prime Membership".\n4- Under "Manage Your Prime Membership," tap on "Redeem a Gift Card or Code".\n5- Enter your Prime code in the designated field and tap "Apply".