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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. You’ll have to be especially concerned with privacy to want to do this — it means you’ll never have a chat log — nonetheless, it’s a nice option that Facebook Messenger, WhatsApp, and WeChat don’t have. Open Telegram app -> Settings -> Privacy and Security.

Like many communication apps, Telegram includes chatbots. Bots add useful functions both on their own and into your chats; they can do everything from checking the weather to playing games. To find more themes, Android users can try the Themes for Telegram app. If you use an iPhone, have a look at the Telegram Themes subreddit. Should I use Telegram? Pin Messages in Channels

Telegram also has an auto-night mode that you can use to save your eyes at night! Furthermore, you can view how much Mobile or WiFi data you have consumed so far. Just tapping on “Data Usage”, and it will show you “Bytes sent” and “Bytes received” of individual file types. To get started, open the Telegram app. Next, go to Settings and choose Appearance. Slow Mode Telegram Messenger Tricks

Add Nearby People and Group Similar options are available for sharing your phone number and profile photo. You can also select who can add a link to your account when forwarding messages, who can call you, and who can add you in groups.