How do I unregister or delete my account? Masha Kolenkina Updated April 14, 2017 00:35 You can unregister your number on our webpage or through Signal. Below are steps to unregister through Signal iOS. Open Signal. Go to Settings . Tap the red Delete Account button. Tap Proceed to confirm. Learn how to unregister on Android. Related articles How do I unregister? What do I do if I get a new number? Can I use multiple devices? Why is my device offline? How do I delete messages or alerts on Signal Android? Can I send SMS through Signal on my iPhone?