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Create makes a private line for two people and a key. Join opens that line on the other phone. Group create and group join are separate and seat up to eight.

Compare the security code in the chat header. If the codes differ, you are not on the same key. A lost key cannot be recovered. Log out on a phone you no longer use.

Face or fingerprint is the phone’s own unlock, turned on in the Us tab. Install adds Locket to the home screen. The name is Locket.