When a passcode is set, a lock icon appears above your chat list. TapClick it to lock your Telegram app.
Note: if you forget your passcode, you'll need to log out or reinstall the app. All secret chats will be lost.
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设定锁定码后，对话列表上方将出现锁形图标。点击以锁定您的 Telegram 应用。
注意：如果您忘记了锁定码，您只能删除然后重新安装 Telegram。重装将丢失所有的私密对话。
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Robert Lyu,
Apr 18, 2023 at 07:00