Hello. Today i did firmware upgrade in my Transmitter DJ6 ( from phantom2) from v22.214.171.124 to v.126.96.36.199. Usage DJI RC System Assistant 1.1 After that is NOT posible to calibrate X1. Camera still looking down. Pleas tell me how to do downgrade in my Transpitter to v188.8.131.52. PLEASE! On saturday I have to record wedding. Is is my job. Now I can't! PLEASE HELP!!