Add other users
You can easily add contacts in different ways.
You can add to your contacts other Olvid users you have encountered (typically in a group discussion or after you have removed them from your contacts) so that you can have a private discussion. Here’s how to do it:
iOS 
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In the Contacts tab, tap > Other Users, then tap the name of the contact you want to invite.
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Tap Invite. Your contact will receive your invitation and will just have to accept it.
Contacts tab, tap 
> Other Users, then tap the name of the contact you want to invite.Android 
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In the Contacts tab, tap > Other Users, then tap the name of the contact you want to invite.
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Tap Invite. Your contact will receive your invitation and will just have to accept it.
Contacts tab, tap 
> Other Users, then tap the name of the contact you want to invite.