CommentStreams:60de87d944350b21caea2e5709053f5b
What I recommend for a last attempt is to test only the rasp(with a sdcard) + X735. If possible. Because I'm starting to think that the X850 is not fully compatible with the X735.
Even that you have a 5v 4a power adapter connected to the X735, it's still not enough for the X850 as it is ONLY getting the energy from the usb port. What I think would help you is, make an adapter that connects from the 5v out entrance of the X735 to the micro usb in of the X850.
GigaBauer
Blas