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. Premium app icons Migrate Phone Numbers, or Add a Second Number
Telegram Messenger Tricks for Better Communication Customize Your Telegram Possibly the biggest disadvantage Telegram has over more popular messages is simply that: popularity. Despite its hundreds of millions of fans, Telegram is still leagues behind WhatsApp, Facebook Messenger, and WeChat in active monthly users. Polls are a feature of Telegram that work with channels and groups. They are used for a variety of things, from organizing leaderless protests to deciding where to have lunch.
Premium Animated Profile Pictures Faster and Stronger Tap your profile picture here to see everything you've uploaded in the past. You can scroll across them; tap the Set as Main Photo option that appears on the top-right menu (as three dots on Android or Edit on iPhone) to set an older image as your current profile picture. Improved Chat Previews on Android
If you're verified on at least two social networks, you can verify your group, channel or bot. Schedule Messages
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