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You can also customize your chat background image in “Chat Background” in Chat Settings. One of the worst parts about messaging apps is that anyone can add you to random groups without your active permission. However, the good part is that Telegram gives you an option to disable it altogether. You can change the desired settings from Settings menu -> Privacy and Security -> Groups -> My Contacts and then select all the Telegram users to “Never Allow”. I can’t tell you how much I love this Telegram trick. 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.

The company has redesigned the reaction panel, making it expandable. The app will also show reactions that a user frequently uses at the top. Premium Telegram Premium users can pick reactions from an infinite selection of custom emoji. Users can attach up to 3 reactions per message. These changes to reactions are currently available in groups and 1-on-1 chats. Group admins can control whether custom reactions may be used in their groups. A great way to organize your chats inside a group or channel is by using hashtags. When you use a hashtag in a message, that word becomes searchable allowing you to see all the messages relating to that topic. For example, if the group is discussing the new Avengers movie, everyone can use the Avengers hashtag. If you want to see all the messages in one location, you can just tap on the hashtag and all the messages with that hashtag will come up. Bot API: lets you build programs that use Telegram messages for an interface. You don’t need to have knowledge of MTProto encryption protocol. The intermediary server will handle all communication and encryption with Telegram API for you. You don’t need a separate image/video editor to make your photos/videos more compelling. You can do it right in the telegram app using its intuitive interface.

Self-destruct is a popular feature on Telegram, but it has been limited to the separate “Secret Chat” option only. However, with the recent update, now you can self-destruct media like photos and videos on normal chats too. Just select a photo or video and then tap on the “timer” button. Now, you can choose the time after which the media will be deleted from everywhere. While you can send uncompressed media in other messaging apps, you have to convert it in another format like EXE or PDF. Telegram, however, allows you to send uncompressed video and images directly (without converting them into another format). It saves you a lot of trouble. System Default (Android) or System (iOS): Matches the theme to your operating system's current mode. Telegram Pin Messages

Secret Chats Whether you no longer want to let redundant chats clutter the precious storage of your device or wish to shield your personal chats, the auto-delete timer is for you. When you set an auto-delete timer for a specific Telegram chat, all of its content including images, videos, and documents are automatically deleted after the timer expires.