How to Fix It
1. Check your keyboard settings
Open your keyboard’s settings (tap the ⚙️ gear icon, or go to phone Settings → General Management → Keyboard).
Look for an option called “Auto-capitalize” or “Auto-capitalize words/sentences.”
Make sure it is switched ON.
If you don’t see it, check under “More typing options” or a similar menu.
2. Try a different keyboard
If your current keyboard doesn’t support auto-capitalization, install Gboard from the Play Store.
Gboard usually works best and follows app capitalization settings correctly.