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<h1 id="dev_page_title">Telegram.me, Changing Numbers and PFS</h1>
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<p>Our <a href="/dl/ios">iOS</a> and <a href="/dl/android">Android</a> apps got updated with three new features today.</p>
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<p>Opening a <strong><a href="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>
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<a href="/file/811140017/1/cy-qwbS5fMg/67abbc0f376b20bae1" target="_blank"><img src="/file/811140017/1/cy-qwbS5fMg/67abbc0f376b20bae1" title="Telegram.me page" class="dev_page_image" style="width: 300px" /></a>
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<center><i>Here's what people will see if they don't have Telegram yet</i></center>
<h4><a class="anchor" name="changing-your-phone-number" href="#changing-your-phone-number"><i class="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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<a href="/file/811140130/1/tCTi6Uk4zsg/c75df0be1059e2d727" target="_blank"><img src="/file/811140130/1/tCTi6Uk4zsg/c75df0be1059e2d727" title="Tap on your number in Setings" style="padding: 20px; width: 200px" /></a>
<a href="/file/811140000/1/o0mRniLoPYc/3fafe3a6d666588353" target="_blank"><img src="/file/811140000/1/o0mRniLoPYc/3fafe3a6d666588353" title="Then tap 'Change Number'" style="padding: 20px; width: 200px" /></a>
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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>
<h4><a class="anchor" name="perfect-forward-secrecy" href="#perfect-forward-secrecy"><i class="anchor-icon"></i></a>Perfect Forward Secrecy</h4>
<p>Last but not least, Telegram&#39;s Secret Chats now support <a href="http://en.wikipedia.org/wiki/Forward_secrecy">Perfect Forward Secrecy</a>. What this means is that your Secret Chats will now automatically <a href="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&#39;s it for today. Stay tuned for more updates coming your way on all platforms!</p>
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<p><em>December 1, 2014<br>The Telegram Team</em></p>
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<h4 class="dev_blog_card_title">Payments 2.0, Scheduled Voice Chats, New Web Versions</h4>
<div class="dev_blog_card_lead">This update brings Payments 2.0 for all Telegram chats, Scheduling and Mini Profiles for Voice Chats, new versions of Telegram Web for…</div>
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<h4 class="dev_blog_card_title">Voice Chats 2.0: Channels, Millions of Listeners, Recorded Chats, Admin Tools</h4>
<div class="dev_blog_card_lead">Voice Chats first appeared in December, adding a new dimension of live talk to Telegram groups. Starting today, they become available in…</div>
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<div class="dev_blog_card_date">Mar 19, 2021</div>
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<div class="dev_blog_card_date">Feb 23, 2021</div>
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<div class="dev_blog_card_lead">Over 100 million new users joined Telegram this January, seeking more privacy and freedom. But what about the messages and memories that remain in older apps? Starting today, everyone…</div>
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