How to Enable Two-Factor Authentication (2FA) in Signal 1

How to Enable Two-Factor Authentication (2FA) in Signal

As we concluded in our comparison between WhatsApp and Signal vs Telegram, Signal is a highly secure messaging service that offers a host of security features to protect your privacy. In this article, we explain one of the best features of Signal, Registry Lock. Basically, it’s a two-factor authentication feature that requires you to enter an additional PIN when registering Signal on a new device. So, if you want to further increase your security and enable two-factor authentication in Signal, follow the steps below.

Enable Two-Factor Authentication (2FA) in Signal

Before we move on to our tutorial, here are some key points to keep in mind:

Important Points to Keep in Mind

  • case, you forget your PIN and if you don’t have access to your old device, you have to wait 7 days for Registry Lock to expire. Only then will you be able to log in to Signal and create a new PIN. To be on the safe side, write down the PIN and keep it in a safe place.
  • Currently, Signal Does not support Authenticator apps or offer any backup code. You need to memorize the PIN, which will act as your 2FA key.
  • PIN is not your screen lock or the chat/backup restore key for Signal. Registry Lock and used to protect your profile settings.
  • Setting up 2FA in Signal will protect you if: someone manages to change your SIM. Princeton University a extensive study and found that US carriers issue SIM swap requests even when the caller can only answer an authentication question. Therefore, you should make sure that 2FA is turned on to avoid any hijacking attempts.

Set Up Two-Factor Authentication (2FA) in Signal

1. First of all, tap on your profile icon in the upper left corner and click “Privacy“.

2. Next, scroll to the bottom and Enable “Registration Lock”. This will enable two factor authentication (2FA) on your Signal account. Now every time you reinstall Signal, it will ask for the PIN along with the one time code sent to your device.

registration lock

3. According to the situation, I don’t remember your PIN then you can tap “Change your PIN” and create a new one. You can create a PIN with a minimum of 4 digits or a maximum of 20 digits. You can also create an alphanumeric PIN if you want. Make sure you don’t forget the PIN as you will need it during reinstallation and restoration of your profile.

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Enable Two-Factor Authentication (2FA) in Signal

4. Remember, Signal Reminding you to re-enter the PIN be etched in your memory from time to time. If you find the prompt annoying, you can disable the “PIN reminders” toggle. However, I would not recommend this action if you often forget passwords and PIN.

pin reminders

Enable Registry Lock On Signal To Turn On 2FA

So you can enable two factor authentication in Signal. As the guide above suggests, the PIN is very important and you should make sure you remember it or keep the PIN in a safe place. Unlike other messaging apps, Signal is very serious about privacy, so you have to walk the extra mile to protect your privacy. Anyway, that’s it for us. If you want to know more about such Signal tips and tricks, go to our linked article. And if you have any questions, comment below and let us know.