مهندسی مواد دانشگاه صنعتی ارومیه

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Today is an important day in the history of Telegram – marking not only a new milestone, but also the beginning of Telegram's sustainable monetization. We believe that Telegram's development should be driven primarily by its users, not advertisers. This way our users will always remain our main priority. Telegram allows edit, unsend sent messages even for the other people on the same chat. It allows to unsend messages shared with the first 48 hours after sending. Enable Auto-Night Mode Scheduled: Night mode will start when the sun goes down and turn off when the sun rises again. If you like, you can instead set your own times for it to turn off and on.

Premium Chat Management Send Scheduled and Silent Messages This page also lets you select your preferred night mode theme. One of the worst parts about messaging apps is that anyone can add you to random groups without your active permission. However, the good part is that Telegram gives you an option to disable it altogether. You can change the desired settings from Settings menu -> Privacy and Security -> Groups -> My Contacts and then select all the Telegram users to “Never Allow”. I can’t tell you how much I love this Telegram trick.

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