on Huawei P30 Pro use DJI Mimo with DJI MO4, when pushing the zoom buttom of MO4 to zoom in or zoom out . it just jump directly from 0.5 to 1 then to 10 or the otherway back .. the zoom  would not stop in between anywhere of those 3 point ...
I have tried P30 with DJI MO3 does not have such issue,  tried MO4 with P20 also works fine

on Huawei P30 Pro use DJI Mimo with DJI MO4, when pushing the zoom buttom of MO4 to zoom in or zoom out . it just jump directly from 0.5 to 1 then to 10 or the otherway back .. the zoom  would not stop in between anywhere of those 3 point ...
I have tried P30 with DJI MO3 does not have such issue,  tried MO4 with P20 also works fine