You can enhance your account security by following the instructions below: Tap the "More" icon located on the upper left of the Watchlist page. Tap the "Settings" icon in bottom left corner. Tap the "Account & Security". Tap the "Manage Devices" to manage recent devices.   Note: If you log in with a new device, you need to enter the login password and the SMS verification code. Such verification will only be applicable to the new device which is used for login for the first time.