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Telegram is a multi-platform messaging service founded by Russian entrepreneur Pavel Durov, although it was temporarily banned in Russia and has no affiliation with any government or company. It first rolled out on iOS and Android in late 2013, and now has an estimated 550 million monthly users. Telegram’s user base tends to increase whenever a privacy scandal hits one of its larger competitors. Set Auto-Delete Timer for a Telegram Chat Color-theme of the app

Owners of public groups can enable join requests via Group Info > Edit > Group Type > Who Can Send Messages > select Only Members > enable Approve New Members. This security-focused messaging app allows you to register a unique username so that people can message or add you to groups without necessarily knowing your phone number. This way, you can keep your number private. Whether you no longer want to let redundant chats clutter the precious storage of your device or wish to shield your personal chats, the auto-delete timer is for you. When you set an auto-delete timer for a specific Telegram chat, all of its content including images, videos, and documents are automatically deleted after the timer expires. Moreover, as with other Telegram features, you can able to use, replies, mentions, pinned messages, invite links and you can also add bots to your channels and groups.

There's also a hidden menu that appears when you long-press on the Send button. Choose Schedule message to delay sending until a time in the future. You can also tap Send When Online to send the message when the other person is next active on Telegram. On Android, tap the three-dot Menu button in the top-right of any Telegram chat and choose Mute notifications. On iOS, tap the contact or group name at the top of the screen and choose Mute. Then you can choose to mute the chat for various periods of time, or forever. Hide Your Profile Photo Disabled: Turn off automatic night mode and always use the chosen theme.

However, Message history is the most revealing part of your phone when it comes to private information. I hope you may have some experience with it? Hide Telegram Profile Photo