<metaproperty="og:description"content="Disappearing photos and videos in all private chats, option to add a bio to your profile and more in Telegram 4.2 ">
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<p>Telegram 4.2 is here! We have completely redesigned our photo editing tools, and it takes you even fewer taps to make your photos look amazing. In addition, you can now set a self-destruct timer for any photos and videos you share in private chats.</p>
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<p>If you set a timer, the countdown starts the moment your recipient opens the photo or video you sent. After the time runs out, the photo/video will disappear forever, just like in Secret Chats.</p>
<p>If the recipient tries to make a screenshot of your disappearing media, you’ll get a notification immediately. </p>
<h4><aclass="anchor"name="who-are-you-again"href="#who-are-you-again"><iclass="anchor-icon"></i></a>Who are you again?</h4>
<p>Starting today, you can add a bio to your profile by typing a few words about yourself in Settings. Every time you stumble upon new users in large groups you might want to learn more about them. That's where bios can help.</p>
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<p>Bio in your profile</p>
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<h4><aclass="anchor"name="more-speed-and-security"href="#more-speed-and-security"><iclass="anchor-icon"></i></a>More Speed and Security</h4>
<p>On top of this, as of 4.2, Telegram apps will rely on a <ahref="https://en.wikipedia.org/wiki/Content_delivery_network">CDN</a> (distributed network) to cache <strong>publicly available photos and videos</strong> posted in <strong>massive channels</strong> (100,000+ members). This will result in significantly higher download speeds for tens of millions of Telegram users around the world. Check out <ahref="https://telegram.org/blog/encrypted-cdns">this post</a> to learn more about how we managed to do it in a slick and secure way.</p>
<h4><aclass="anchor"name="one-more-thing"href="#one-more-thing"><iclass="anchor-icon"></i></a>One More Thing</h4>
<p>Stickers are now easier to use as you can enlarge the scrolling area. More legroom for your emotions!</p>
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<h4class="dev_blog_card_title">Shareable Chat Folders, Custom Wallpapers and More</h4>
<divclass="dev_blog_card_lead">This update lets users share entire chat folders with one link, create custom wallpapers for individual chats, use web apps in any chat…</div>
<h4class="dev_blog_card_title">Power Saving Mode and More</h4>
<divclass="dev_blog_card_lead">This update brings a new power saving mode, optimizes Telegram for lower-end Android devices, adds even more playback speed options, and much more.</div>
