other version lens will work on v4?

[Kenji]

I want to know if v5 or v7 lens will work on v4, if yes only change the laser? or all the drive with the lens? :confused:

[simpy6734]

i have a v7 lens in my v4 but the entire drive assembly won't swap out... they have different cables...

[loy]

u can only swap the laser from a v7