EDIT: The T9 board is different, never mind S9 and T9 controllers are interchangable. You can even flash an s9 to T9 firmware and it will run. Not sure where the incompatibility lies...
Not true with the T9's that I own, the data cable is different. However, the B3 controller is compatible with the T9.
The T9 controller can be used with an s9 because it has connectors for both style data cables but an S9 controller does not
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