How do I change the font size?
Telegram SupportChanging font size on Telegram is easy. On most systems, the app uses the system settings. On Android, you can change font size in App Settings.
Note that it doesn’t change text size of the text in the text input field at the moment.
Android: Go to Telegram Settings > Message Text Size
iOS 7: Go to iOS Settings > General > Text Size
iOS 8, 9 & 10: Go to iOS Settings > Display & Brightness > Text Size
Windows Phone: Go to phone Settings > Ease of Access > Text Size
To contact Telegram support, go to Settings, and scroll down until you see the 'Ask a Question' button at the bottom.
If you want to join us, check out the Telegram Support Initiative.