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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. Turn on Secret Chat Migrate Phone Numbers, or Add a Second Number

With the ability to send files up to 2 GB (or 4 GB), users can easily share large media items from other apps directly to Telegram on any mobile platform. This saves both time and storage space – so you don't have to save the file before sending it in Telegram. Send uncompressed file Custom Theme Your Telegram 4b Group Voice chats

While you can receive/send files irrespective of their type and size, you can disable automatic media download and auto-play media to save mobile data. This way, you can also avoid downloading unnecessarily large files. Telegram Saved Messages Improved Chat Previews on Android Telegram Location Share

Telegram Settings Another useful feature is “send without sound”. It is rather self-explanatory: you can message friends freely when you know they are attending an important meeting, studying, or sleeping. Recipients will get a notification as usual, but their device won’t make sound, even if it is in general mode.