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Most people use third-party apps to make sure that no one gets a hand on their private conversations. Telegram, however, has its own lock function to hide privates messages behind a passcode. Terminate Active Sessions Auto-download and Auto-play Media

To preview a chat, simply press and hold its profile picture in your chat list. Telegram Change Number Here, Telegram will give you some information about what happens when you change your number. Basically, all your messages will be moved to the new number and your new number will be automatically added to all your existing Telegram contacts, barring the blocked contacts. It’s way easier then re-sharing your new number with everyone. To change the number, tap on the “Change Number”, enter the new number and follow the process on your screen. The iPhone 14 won’t have a physical SIM – here’s what that means for you

Cloud access To lock a chat go to Settings->Privacy and Security->Passcode Lock and enable it. Once you create a passcode and enable it, you will be able to lock and unlock your chats by tapping on the lock icon at the top right of the app. If your device is stolen or someone took it, and you don’t want him/her to see the messages in your chat window, then you can simply terminate all the active sessions with just one click using your Mac, Desktop, Linux or Web client. Telegram Cloud

Since Telegram stores chats and files on a remote server instead of your device, you can also access everything (except secret chats) from the web. Access it via the web portal or any of several Chrome extensions. You can also able to set your chat to self-destruct in a certain period of time after it has been read or opened.