Hi guys, I bought a pre owned Eachine Wizard X220 which had never been flown and I ordered a FRsky R-SXR receiver for it. I have watched all of the setup videos for the R-SXR including the firmware flashing instructions which I followed to the letter but I could not complete the flashing so I gave up on that. I decided to install the receiver in the quad which has the SP Racing F3 FC installed already. I even looked up all of the instructions on it as well and connected the R-SXR to the UART 3 on the FC using the power and the SBUS connecting wire to the RX connection on the FC. I have my QX7 set up with all of the necessary switches but when I connect the quad to Betaflight, I don't see any receiver connection bars in the receiver tab. I finally got the AUX 1 bar for arming to be visible but there is no response to the switch and no other bars showing at all. I am at the end of my rope on this one and I need some help please. Thanks in advance for any assistance on this nightmare.