Gmail (@gmail.com): Enable 2-Step Verification + Generate 16-Digit App-Specific Password (Full Laifaxin Binding Flow)
2 mandatory steps to bind Gmail to Laifaxin — ① Enable 2-Step Verification (SMS to phone); ② Generate a 16-digit app-specific password for Laifaxin. The password field must be filled with the 16-digit app password (NOT your login password), otherwise it fails 100% of the time.