This dock is compatible with Samsung Galaxy S22 Ultra, and it would work with DeX mode. Besides, WARRKY provides Lifetime Unconditional Warranty for all the products we sold. You may go ahead and purchase with confidence. -------- This dock works for most Type C devices but it requires the Type-C port to feaure the video output function to utilize the HDMI 2.0 port. Typically, USB C 2.0 or 3.0 cannot achieve that. Not compatible for Nintendo Switch.