Sorry cant help with the part.
I just upgraded my R-30V2 to a R-50
I also picked up a V1 cheap but boinked it up so I upgraded the V2 to a 50 and used the leftovers to fix the V1.
I now own 1 hawk IV (police Helli) 1 hawk pro 1 Raptor V1 with Toki40 and one Raptor 50V2
Somebody stop me