To preview a chat, simply press and hold its profile picture in your chat list. 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. Custom Theme Your Telegram 5b
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. Advanced Chat Options Turn off/on the auto-night mode They offer a great opportunity to reach people directly, sending notifications to their devices with every post. Users can join and leave channels at any time. And once they join a channel, they can see its entire message history.
Usernames Finally, if you don't want to disturb the other person, choose Send without sound to silently deliver the message to the other party without them getting a notification. Set Reminders If you like to use dark themes only in the night so that the app doesn’t blind you, enabling auto-night mode can save you a lot of hassle. Once you turn the auto-night mode on, the app will automatically switch to dark mode at the scheduled time. To enable auto-night mode go to Settings-> Chat Settings-> Themes and tap on Auto-Night Mode. Here you can select between Automatic and Scheduled.
On WhatsApp and other messaging apps, you can send uncompressed media by changing the media extension to something like PDF or EXE. However, on Telegram, you don’t need to take this hacky route for sending uncompressed media files. Just select your media and tap on the 3-dot menu. After that, choose “Send without compression” and that is it. How awesome is that? This single Telegram trick has saved me so much headache when sharing photos. Launch the Telegram app on your device and navigate to Settings -> Data and Storage.
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