Using SMS Verification for Two-Factor Authentication
How SMS 2FA Works
Select SMS as your 2FA method
Enter your phone number
Sonikit sends a verification code via text message
Enter the code to complete sign-in
When SMS Codes Are Sent
During login
When verifying sensitive account actions
When switching devices
If You Don’t Receive a Code
Wait up to 60 seconds
Check your signal and spam filters
Request a resend
Confirm your phone number is correct
Security Considerations
SMS verification:
Depends on carrier delivery
Can be delayed
Is vulnerable to SIM-swap attacks
👉 For maximum security, we recommend using an authenticator app.
Switching Later
You can switch from SMS to an authenticator app at any time in Account Settings.