Do Huawei p30 cases fit on huawei p20 pro?
No, it does not fit
No, if it does not fit, where would the sheath manufacturers stay if each of its shells can be reused 😅
Moreover, it would also have been enough to googling for a minute how big the two smartphones are to see that they are different in size. And now we think a bit further, the smartphones have a very different camera, which you may also learn by 30 seconds Googling.