realme devices support customizing or switching your keyboard. Download your favorite keyboard in the Play Store, and enable it according to the following path.
Setting method
realme UI 3.0 and above versions: Settings > System Settings / Additional Settings > Keyboard & input methods > Manage keyboards, click the switch on the right side to enable the keyboard.
realme UI 2.0 & 1.0: Settings > Additional settings > Keyboard & input methods > Manage keyboards, click the switch on the right side to enable the keyboard.
realme UI R & Go & T & S & U Edition: System > Languages & input/Keyboard > On-screen keyboard
Related articles:
How to switch input methods(keyboards) quickly?