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 Notification Sounds Self-destruct timers
You can choose to share either your current or your live location. Send My Current Location will provide a one-time update about where you are. As you can see in the below image, the app lets you manually change this before sending, so don't trust locations blindly. In addition to manually selecting a point on the map, you can choose a nearby place from a list. Lock Your Conversations You can also write a longer bio and include a link in it. Similarly, Premium allows adding more characters to media captions. Finding the proper way to respond to any message will be easier with up to 400 favorite GIFs. Lastly, Premium users can reserve up to 20 public t.me links, making any group or channel you create stand out with a short and concise link. Read More On This Topic
Infinite Reactions Now tap on Notifications and mute the contact for either a custom period of time or forever. I generally leave it for forever. 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. Telegram also has an auto-night mode that you can use to save your eyes at night!
Speaking of multiples, Telegram allows you to upload additional profile photos. While the latest photo is the profile picture your contacts will see, they can swipe to see the rest of your pictures. Use Multiple Telegram Accounts
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