Signal Babble
1. General Information Q: What is Signal?A: A free, privacy-focused encrypted messaging app. Q: Who develops Signal?A: Signal Technology Foundation and Signal Messenger LLC. Q: When was Signal initially released?A: July 29, 2014. Q:...
Category: Signal
How do I enable Registration Lock in Signal to protect against re-registration attacks?
Applies to: Signal Private Messenger (iOS, Android)Last updated: September 2025 Problem If someone gains access to your phone number (through a breach, SIM-swap, or phishing attack), they could attempt to register your number on...
Understanding the Twilio Incident and Its Impact on Signal
Applies to: Signal Private Messenger usersLast updated: September 2025 Problem In August 2022, cloud communications company Twilio suffered a security breach. Twilio provides services to many apps, including Signal, which relies on Twilio for...
Tips for identifying and avoiding scams on Signal
Applies to: Signal Messenger (Android, iOS, Desktop)Last updated: September 2025 Problem Scammers sometimes use Signal to trick users into sharing personal information, money, or account details. Common tactics include impersonation, phishing links, and fake...
How do I fix delayed Signal message delivery?
Applies to: Signal Messenger (Android, iOS, Desktop)Last updated: September 2025 Problem Messages in Signal arrive late, only deliver when you open the app, or show long delays. This usually happens due to background restrictions,...
Troubleshooting Signal not syncing messages with Desktop
Applies to: Signal Desktop (Windows, Mac, Linux) + Signal Mobile (Android, iOS)Last updated: September 2025 Problem Messages you send or receive on your phone don’t appear on Signal Desktop, or messages sent from Desktop...
Tips for using Signal Desktop effectively
Applies to: Signal Desktop (Windows, Mac, Linux)Last updated: September 2025 Problem Many users install Signal Desktop but don’t fully use its features, or run into issues with syncing, notifications, or device management. Solution By...
How do I block and unblock a contact on Signal?
Applies to: Signal Messenger (Android, iOS, Desktop)Last updated: September 2025 Problem You may want to stop someone from messaging, calling, or seeing your profile details on Signal. Later, you might decide to unblock them....
Troubleshooting issues with downloading media in Signal
Applies to: Signal Messenger (Android, iOS, Desktop)Last updated: September 2025 Problem Photos, videos, or documents in Signal fail to download, get stuck, or show errors. Sometimes only certain files won’t download, while text messages...
How do I hide my last seen, online status, and profile picture on Signal?
Applies to: Signal Messenger (Android, iOS)Last updated: September 2025 Problem You may want to increase your privacy on Signal by limiting who can see your last seen, online status, or profile photo. Solution Signal...
