this post was submitted on 20 Dec 2025
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The Signal messenger and protocol.

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A few days ago I tried to add a contact to Signal. The other person is already a user as none of us can find the other on the network.

On my side, I get a message that the number is still not on Signal, while on the other side the network returns an "unknown error" message when searching for my contact.

What may be causing issues, although it makes no sense for me:

  • I'm an Android user, while the other phone is an iPhone
  • we're from different countries, including different continents, with an ocean apart

Another person, on that same country, has already added my number to their Signal on an Android phone, as well as another number from my country.

This makes no sense whatsoever to me.

Any thoughts?

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[โ€“] SteleTrovilo@beehaw.org 2 points 6 days ago

It sounds like your Signal is running fine, but your friend's Signal has some sort of error or network block. Is your friend able to add other contacts?

[โ€“] vas@lemmy.ml 1 points 6 days ago

Try this setting, I think it may be relevant to your case:

Android -> open Signal (or Molly) -> Settings -> Privacy -> Phone number -> Choose who can see your phone n.....