
If you are annoyed by the constant “Contact joined Signal” notification then worry not, you can disable it right away. Disable ‘Contact Joined Signal’ Notification Not to mention, Signal will occasionally remind you to enter the PIN so you can remember it.ģ.

Also, you can change your PIN or create an alphanumeric code from the option below. Now, whenever you will reinstall Signal, you will be asked the PIN before you can set up your account. Here, scroll down to the bottom and enable “Registration Lock”. Tap on the ‘profile icon’ on the top-left corner and open “Privacy” again. So if you want to change the PIN or customize other 2FA options then follow this simple Signal trick. With the recent update, Signal has made it mandatory to set a PIN for reinstallation, backup restore, and identity verification. It’s an additional layer for implementing 2-factor authorization.

While setting up Signal, you must have added a 4-digit PIN but that’s not for app lock.
