Please pay attention to the button area on the 8-inch and 9-inch touchscreens, as they differ.
1.The buttons on the 8-inch screen are separate from the touchscreen, while the 9-inch screen features an integrated design.
2.The 8-inch toushscreen is trapezoid and 9-inch touchscreen is octagon.
If you don’t know how to distinguish,Please compare your touchscreen with the picture.