I have two Gan XS's. a stickered one and a stickerless one. The stickered one feels amazing and it has incredible corner cutting, as it should. My stickerless one, however, is a bit slower. It feels like it has more friction, and more importantly, the corner cutting is really bad. Both cubes are on the exact same settings: clear thing on 4th click, light blue thing on #3. The only difference is the stickered one has just factory lube and the stickerless one has been lubed with Martian, but this has been happening since I took it out of the box. I'd really like to know how to fix this.
Here's a video showing the difference: