Hi @sssong, Celyn from the Figma Community Support team here. Thanks for reaching out!
I see that your post mentions a locked account, though it doesn’t include details about what’s happening. Since we’re unable to handle account-related issues in the forum, please submit a ticket through our Support Hub. You can also select the question mark icon in the bottom-right corner of any Figma page, then choose Contact support.
When you reach out, please describe what happens when you try to sign in and include any error message you see. Let me know if you run into any issues submitting your request!