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. To preview a chat, simply press and hold its profile picture in your chat list. Since Telegram stores chats and files on a remote server instead of your device, you can also access everything (except secret chats) from the web. Access it via the web portal or any of several Chrome extensions.
Chat Folders is one of the best Telegram tricks that you should know and utilize to your maximum advantage. We follow so many channels and groups on Telegram of different kinds, not to mention the individual chats that go into the mix. Having all these chats in one panel makes things much harder to declutter and make sense of. So to solve this issue, Telegram has brought something called “Chat Folders”. This allows you to categorize your chats into different labels and Telegram sort things out for you. As a result, Telegram gets super clean and much easier to manage. I love it! Customize Your Telegram 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. Appearance section in Telegram
Next, tap Never Share With and then select the people from whom you want to hide your profile. Search Friends by Username Edit Videos 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.
And under Advanced, you can change how much time must pass with no activity before Telegram will automatically delete your account. You'll have four options to choose from:
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