Signal messaging service provides SMS security with encrypted voice and video calls, group chats, and file sharing
Millions of people use Signal every day for free and instantaneous communication anywhere in the world. You can send and receive high-fidelity messages, participate in HD voice/video calls, and explore a growing set of new features that help you stay connected. Signal’s advanced privacy-preserving technology is always enabled, so you can focus on sharing the moments that matter with the people who matter to you.
The specialty of the app is everything your receive or share is encrypted which reflects high security. In the current era, you would have come across multiple messages scams that are been handled by hackers that access your private messages like OTP and passwords.
On Android, Signal can also double-up as your SMS app (something iPhones don’t allow). For contacts who aren’t on Signal, the app will send a standard text message instead, this breaks the end-to-end encryption, but you’ll be able to see inside the app which messages are which. For maximum security, get as many of your friends on Signal as you can.
If you’re using Signal for the first time then you need to find Signal in the app store for Android or iOS, then follow the prompts to install. If you’re on Android, you’ll be asked if you want to set Signal as your default SMS app, you can use it alongside another SMS app, but you can bring everything together in Signal if you want (messages will be sent over Signal to contacts who have the app). If you decide to set Signal as the default SMS app on Android, you have another choice, which appears as a prompt on screen: Whether or not to import your existing SMS texts into Signal.
However, you need to take a local backup if you are uninstalling and reinstalling the app as the data will be lost. However, you cannot take a backup on iPhone devices, Android smartphone users can backup messages and restore it later. You can also get the source code of the app from its GitHub repository for free from here, in case you need to run a test upon its privacy features.
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