The latest iOS 26.4.2 update appears to fix the Signal notification bug.

Earlier this month, 404 Media reported that the FBI obtained deleted Signal messages saved inside an iPhone’s notification database. It looks like the iOS 26.4.2 security update addresses this, as Apple says it has fixed an issue where “notifications marked for deletion could be unexpectedly retained on the device.” Posts from this author will be added to your daily email digest and your homepage feed. Posts from this topic will be added to your daily email digest and your homepage feed. Posts from this topic will be added to your daily email digest and your homepage feed. Posts from this topic will be added to your daily email digest and your homepage feed. Posts from this topic will be added to your daily email digest and your homepage feed. Posts from this topic will be added to your daily email digest and your homepage feed. A free daily digest of the news that matters most. The Verge is a part of PMX Global, LLC, a subsidiary of Penske Media Corporation. © 2026 VM Publishing, LLC. All rights reserved. Sign in to see your notifications or create an account to join the conversation.