Unable to receive the verification code sent by charles schwab.

Maybe the phone is equipped with interception software.

I suggest you unseal the short message of the application software. Or check it in the SMS interception information.

The verification code is a public automatic program, which is used to distinguish whether the user is a computer or a person. Verification code is widely used in many websites, which can not only prevent malicious password cracking, ticket brushing and forum flooding, but also effectively prevent a hacker from constantly trying to log in to a specific registered user by using a specific program brute force cracking method.