They create a single-member group to send notes to themselves. Many are not aware, but there are users who use messaging services like WhatsApp as a note-taking app. This is basically the self-destructing feature but for images. Now, send the image and it will be auto-deleted after the viewer has opened it once. To use this trick, just select the image and then tap on the “infinite icon” located at the bottom-left corner and change it to “1x”. After that, the image will disappear from both ends. Signal has baked this awesome trick from where you can send images, but they can be viewed only once. Here, under “Events”, disable the toggle for “Contact joined Signal”. Now, open notifications and scroll down to the bottom. Just tap on your profile icon at the top-left corner. 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.

Disappearing messages on signal