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. Users They offer a great opportunity to reach people directly, sending notifications to their devices with every post. Users can join and leave channels at any time. And once they join a channel, they can see its entire message history.
Telegram has a unique feature called Channels that allow you to broadcast messages to large audiences. Unlike Groups, Telegram Channels can have an unlimited amount of subscribers, and only admins have the right to post content. Telegram Chat Background To lock your messages, go to “Settings”, “Privacy and Security” and tap on “Passcode Lock”. You will be asked to set a four-digit passcode and confirm it. Once you do that, you will find additional options to “unlock the app with fingerprint” and “auto-lock” it after a specific duration. Unlike mass-market messengers like WhatsApp and Line, Telegram is an open-source app. This means anyone can check the app’s source code, protocol, API, and see how it works and make an informed decision.
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. However, Telegram only uses this encryption in calls and in its “secret chats” feature, not in regular chats. Those are only encrypted client to server. Meanwhile, WhatsApp, the supposedly less secure service, has used end-to-end encryption in all messages, calls, and video calls since 2016. Read More On This Topic Telegram API: lets you create your own customized Telegram clients. You can read Telegram’s open-source code to know how the platform works.
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