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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. Under the Other section, tap Open Links in and then choose a preferred browser from the list. Telegram is all about privacy and security, and it isn't beholden to larger companies like Facebook.

Next, tap Never Share With and then select the people from whom you want to hide your profile. Here you will get the option to share either your current location or your live location. Select the live location option and then select the time limit for which your location will be shared with the person. Now, all you need to do is hit that share button to share your live location. Chat Folders Upload Multiple Profile Pictures to Telegram

Self-destruct Media in Normal Chats Let’s say you have enabled the “Slow Mode” and set an interval of 1 minute. Now members in the group can only send one message per minute. A timer will show them how long they have to wait before sending the next message. With Telegram, you can send thousands of high-quality stickers right from the chatbox. Just tap the “sticker icon” on the left bottom, and it will show you dozens of trending stickers and masks. You can search for specific stickers and add them to your virtual keypad. Group Voice chats

Send Uncompressed Media without Changing the File Extension You can surely delete messages that you have sent, but did you know that Telegram has brought a new feature that lets you delete messages sent by other users too. That’s kind of weird, but this feature is for users who prioritize privacy over everything. To use this feature, just select the received message and tap on the “delete” button. Now, select “Also delete for X” and tap on “Delete”. The message will disappear from both ends without leaving any trace.