inputs.text: not 100 iphone 4 compatible - hooks w buttons release meant secure iphone side plug not fit iphone 4 consequently plug easily moves slightly socket iphone stops playing warns \\this accessory not designed work iphone\\ also gotten warning several times plug securely plugged socket update noticed connector edges butting tiny philips screws iphone 4 frame next connector trimming little plastic side fiio lod connector inserted tiny bit hooks attach reasonably securely updating 2 3 stars would easy fix factorydesign stage