编程随想推荐书籍（非官方）

Another security feature that adds usability is usernames. Instead of giving people your phone number, you can simply give them your username. This gives you better control over what information is out there, and how people can contact you in the future. Because Telegram lets you interact with people even if you aren't in each other's contacts, you may wish to make your account more private. To change privacy options, head to Settings > Privacy and Security. Here, you can change who can see your phone number, active status, and more. Slow Mode

To do this, head over to Telegram settings and choose ‘Folders’. Here you can create as many folders as you want and add both personal chats as well as groups and channels to any of the folders. You can also order the folders you just created, but note that the default ‘All chats’ folder will always be the first one. You can quickly find Premium Stickers from all your packs in a dedicated section of your sticker panel, below 'Recently Used'. Request to join a public group If you want to add a second number instead of migrating, Telegram also lets you use multiple accounts at once. For Android, on the left sidebar, tap your contact info to expand the account switcher and choose Add Account. On iPhone, tap Edit on the profile page and choose Add Another Account.

Telegram’s core functionality is the same as most other messaging apps: You can message other Telegram users, create group conversations, call contacts, make video calls, and send files and stickers. However, there are a few specific features that make it work differently from other chat apps. Manage When Old Sessions are Automatically Terminated With these features, you're ready to become an advanced Telegram user and take full advantage of the app. There are lots of little touches around the app that make it a joy to use, so you may find even more. Learn more

Change Phone Numbers Telegram Premium includes new tools to organize your chat list – like changing your default chat folder so the app always opens on a custom folder or, say, Unread instead of All Chats.