You may terminate your Peacocktv.com/tv Premium membership using any mobile device that runs the Android operating system, including a smartphone or tablet. Just be sure you follow the guidelines that are stated below.
For more
https://www.peacock4tv.com/Launch the Google Play application.
Launch the menu titled “Profile” (the button is on the top right side of the screen)
Find the option labeled “Payments & Subscriptions,” then click on it.
Simply choose “Subscriptions” from the menu.
Pick the option “Peacock.”
To terminate your subscription, use the “Cancel Subscription” option.