5'' 800x480 TFT Raspberry Pi DSI Touchscreen FAQ【DFR0550】
Why is the display normal but not sensitive to touch?
Try installing an older Raspberry Pi system such as Debian 10 (Buster). Set system Resolution: 800*480.(The new version of the product has solved this problem.)
If you have other questions, just feel free to post them in our forum for consultation. We will reply them as soon as possible and improve the product FAQ gradually.