this post was submitted on 28 Aug 2024
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Big concern with your number being recycled and a new user receiving the signal activation key on that number.
Sure, and I think that would send a message to all of your contacts that a new account is using that number, but I'm honestly not sure. If you have an active account (i.e. on a desktop or something), I think you can just change your number if that happens (i.e. get another temp number).
It's certainly more convenient if you use a longer-term number, but I think it's feasible with a throwaway number. Once your account is set up, Signal doesn't need your number for anything if you disable publishing that.
It does send a "your safety number has been updated with user" message. But not as an automated message. Only when a new signal thread is started.
Haven't tried when only logged in to desktop and changing devices / numbers so I can't speak to that.
You need to enter your Signal Pin, otherwise you will get removed from all groups etc