If you cancel a Kindle Unlimited membership that was pre-paid (a gift or bundle), you will not receive a partial refund for unused months.
- Go to Manage your Kindle Unlimited Membership and sign into your Amazon account.
- Under Manage Membership, select Cancel Kindle Unlimited Membership.
- Select Cancel Membership. Your membership remains active until the next billing date. After the billing date passes, you lose access to content that you have checked out.