If you wish to take control of your account and sign it out of other devices, you can follow the steps below.

  1. Under Account settings, tap on Content and Devices.

  2. Next, switch to the Devices subtab and go to the app you wish to deregister the device from, and tap on Deregister.

Method 2- Using the Compromised Account Feature

  1. Tap on Login and Security.

  2. Sign In to your account if required.

  3. Tap on Start under Compromised Account and follow the on-screen instructions.

Method 3- Log Out By Changing Your Password

2. Under the Password Section, tap on Edit, and follow the on-screen instructions.

Once your password is changed, you will be logged out of all your previous devices.

Method 4- By Adding 2-Factor Authentication

  1. Go to Settings from the hamburger menu present under the bottom right corner of the screen.
  2. Under the settings menu, tap on Sign Out.

This will immediately sign out your amazon account from the said device.

  1. Tap on Customer Service under the same hamburger menu.

  2. Scroll down and tap on Chat with Us. You may also choose to receive a call back for assistance.

Wrapping Up

Also, Read the following: