<p>Our <ahref="/dl/ios">iOS</a> and <ahref="/dl/android">Android</a> apps got updated with three new features today.</p>
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<p>Opening a <strong><ahref="https://telegram.me/YourUsernameHere">telegram.me/YourUsernameHere</a></strong> link on your phone will now automatically fire up your Telegram app and open a chat with that user. You can share username links with friends, write them on business cards or put them up on your website.</p>
<center><i>Here's what people will see if they don't have Telegram yet</i></center>
<h4><aclass="anchor"name="changing-your-phone-number"href="#changing-your-phone-number"><iclass="anchor-icon"></i></a>Changing Your Phone Number</h4>
<p>It is easy to switch to Telegram and retain your social graph, since it is based on phone numbers. But what if you need to change the phone number itself? As of today, you can change your number in Telegram — and keep <strong>everything</strong>, including <strong>all</strong> your contacts, messages and media from the Telegram cloud, as well as all your secret chats.</p>
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<ahref="/file/811140130/1/tCTi6Uk4zsg/c75df0be1059e2d727"target="_blank"><imgsrc="/file/811140130/1/tCTi6Uk4zsg/c75df0be1059e2d727"title="Tap on your number in Setings"style="padding: 20px; width: 200px"/></a>
<ahref="/file/811140000/1/o0mRniLoPYc/3fafe3a6d666588353"target="_blank"><imgsrc="/file/811140000/1/o0mRniLoPYc/3fafe3a6d666588353"title="Then tap 'Change Number'"style="padding: 20px; width: 200px"/></a>
</center>
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<p>Your mutual contacts (people in your contacts, who also have your number) will get your new number added to your contact in their address book unless you have blocked them in Telegram. This makes changing numbers even easier.</p>
<p>Last but not least, Telegram's Secret Chats now support <ahref="http://en.wikipedia.org/wiki/Forward_secrecy">Perfect Forward Secrecy</a>. What this means is that your Secret Chats will now automatically <ahref="https://core.telegram.org/api/end-to-end/pfs">change encryption keys</a> after a period of time, in order to keep past communications safe. This way you no longer need to manually re-create Secret Chats to achieve this level of security.</p>
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<p>And that's it for today. Stay tuned for more updates coming your way on all platforms!</p>
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<divclass="dev_blog_card_lead">Channels can unlock posting stories with a new boost system, while stories get upgraded with reaction stickers, music and more.</div>
<h4class="dev_blog_card_title">Stories and 10 Years of Telegram</h4>
<divclass="dev_blog_card_lead">In this update, we launch Stories – with a unique dual camera mode, granular privacy settings, flexible duration options and much more.</div>
<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>
