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Note】Please download the latest version of the image on the Raspberry Pi official website.
Step 1】 Add the following lines to the end of config.txt, then save and eject the TF card safely.
dtparam=i2c_arm=on dtparam=i2c_arm_baudrate=100000
#PI5 DSI1 port use the following code (Other Pi's Version do not need this configuration)
dtoverlay=vc4-kms-dsi-7inch,dsi1
#PI5 DSI0 port use the following code (Other Pi's Version do not need this configuration)
dtoverlay=vc4-kms-dsi-7inch,dsi0
dtoverlay=DSI_800x480_gt911_har_touch
Step 2】 Download DSI_800x480_gt911_har_touch.dtbo Copy it to the overlays directory (/boot/overlays/)
Step 3】Save and quit the TF card safely, and insert the TF card into the Raspberry Pi.
Note】4.3inch/5inch/7inch LCD have same touching configuration