What are the different modes I can use with the Gamesir T4c controller?

The GameSir T4c controller supports Xinput Mode and Dinput Mode. Press and hold the Home button for five seconds to switch between them (Xinput: LED1+LED4 stay on, Dinput: LED1+LED3 stay on) (Page 2).

From the official Gamesir T4c Multi Platform Wireless Game Controller manual, page 2

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