To change the name of a Telegram bot, start a chat with the @BotFather and send the /setname command.
You will be prompted to select the Telegram bot which you want to rename and once selected you will be asked to type the new name of your bot.
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Rename a Telegram Bot
👤: /setname 🤖: Choose a bot to change name. 👤: @username_bot 🤖: OK. Send me the new name for your bot. 👤: New Display Bot Name 🤖: Success! Name updated. /help
Note that this way you can change the display name of the bot, but not its @username_bot.
You cannot change the @username_bot of the bot once it has been created.
If you need a new username for your bot, you must create an entirely new bot:
👤: /deletebot
🤖: Choose a bot to delete.
👤: @username_bot
🤖: OK, you selected @username_bot. Are you sure?
Send 'Yes, I am totally sure.' to confirm you really want to delete this bot.
👤: Yes, I am totally sure.
🤖: Done! The bot is gone. /help
👤: /newbot
🤖: Alright, a new bot. How are we going to call it?
Please choose a name for your bot.
👤: Display Bot Name
🤖: Good. Now let's choose a username for your bot. It must end in `bot`.
Like this, for example: TetrisBot or tetris_bot.
👤: new_username_bot
🤖: Done!
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