Have you checked the unsoldered SD card detection pin? This is known issue and an easy fix. See the photos in the article.
]]>do not buy the t18
you can not set the calibration slide and throttle works only at the halfway point
Do you have problems calibrating the sticks in the PC simulator? Have you checked the Radio not working in the simulator issue? Maybe you have the same problem?
My friend had very similar problem – the USB driver was wrong (BETTER_USB_DEVICE), then he needed to re-calibrate the sticks in the Windows Joystick settings and then it worked in the Liftoff simulator.