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System Default (Android) or System (iOS): Matches the theme to your operating system's current mode. To edit photos/videos, click on the “attach file” and select a file from the gallery, or capture a new one from the camera. Once you do that, you will see various options to edit the file before sending it. You can crop the picture, adjust colors, exposure, contrast, and add emojis and text to videos. Turn Off Notifications for Individual Contacts

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However, if you haven't moved beyond the basics, you're missing out on a lot of the best Telegram functionality. Below, we detail some lesser-known features of Telegram that you may have overlooked until now. 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. 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. Custom themes

In fact, Telegram has solved the issue with its Secret Chat feature. While all Telegram chats are client-server encrypted, default chats are still stored on Telegram's servers. This conveniently allows you to access your messages on multiple devices, but it might raise privacy concerns.