Starting with Android you can make two-factor authentication even easier. If you use two-factor authentication (2FA) (which is a must these days), you should be using it with one of the many 2FA applications on the market, such as Authy or the Google Authenticator. Unfortunately, not every service works with 2FA authenticator application (shame on you, services). .
Link: How to enable SMS verification code autofill in Android
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