When a passcode is set, a lock icon appears on the chats page. Tap it to lock your Telegram app.
Note: if you forget your passcode, you'll need to reinstall the app. All secret cyour Secret Chats will be lost.
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When you set up an additional passcode, a lock icon will appear on the chats page. Tap it to lock and unlock the app.
Note: if you forget the passcode, you'll need to delete and reinstall the app. All secret chats will be lost.
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Deleted Account,
Sep 17, 2021 at 18:26