Hello. Today i did firmware upgrade in my Transmitter DJ6 ( from phantom2) from v220.127.116.11 to v.18.104.22.168. 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 v22.214.171.124. PLEASE! On saturday I have to record wedding. Is is my job. Now I can't! PLEASE HELP!!