diff --git a/resources/profiles/QIDITechnology.ini b/resources/profiles/QIDITechnology.ini
index 3680c56..d147a4b 100644
--- a/resources/profiles/QIDITechnology.ini
+++ b/resources/profiles/QIDITechnology.ini
@@ -22,8 +22,6 @@ family = X
 bed_model = X-MAX 3_bed.stl
 bed_texture = X-MAX 3.svg
 default_materials = QIDI ABS Rapido @X-MAX 3; QIDI PLA Rapido @X-MAX 3; QIDI PLA Rapido Matte @X-MAX 3; QIDI ToughPETG @X-MAX 3; Generic ABS @X-MAX 3; Generic PETG @X-MAX 3; Generic PLA @X-MAX 3
-email = MAX3support@qd3Dprinter.com; MAX3AMS@qd3Dprinter.com
-skype = MAX3support@qd3Dprinter.com
 
 [printer_model:X-Plus 3]
 name = X-Plus 3
@@ -33,8 +31,6 @@ family = X
 bed_model = X-Plus 3_bed.stl
 bed_texture = X-Plus 3.svg
 default_materials = QIDI ABS Rapido @X-Plus 3; QIDI PLA Rapido @X-Plus 3; QIDI PLA Rapido Matte @X-Plus 3; QIDI ToughPETG @X-Plus 3; Generic ABS @X-Plus 3; Generic PETG @X-Plus 3; Generic PLA @X-Plus 3
-email = Plus3support@qd3Dprinter.com; Plus3AMS@qd3Dprinter.com
-skype = Plus3support@qd3Dprinter.com
 
 [printer_model:X-smart 3]
 name = X-smart 3
@@ -44,8 +40,6 @@ family = X
 bed_model = X-smart 3_bed.stl
 bed_texture = X-smart 3.svg
 default_materials = QIDI ABS Rapido @X-smart 3; QIDI PLA Rapido @X-smart 3; QIDI PLA Rapido Matte @X-smart 3; QIDI ToughPETG @X-smart 3; Generic ABS @X-smart 3; Generic PETG @X-smart 3; Generic PLA @X-smart 3
-email = Smart3support@qd3dprinter.com; Smart3AMS@qd3dprinter.com
-skype = Smart3AMS@qd3dprinter.com
 
 # All presets starting with asterisk, for example *common*, are intermediate and they will
 # not make it into the user interface.
diff --git a/src/slic3r/GUI/FirmwareDialog.cpp b/src/slic3r/GUI/FirmwareDialog.cpp
index 804170f..129cd10 100644
--- a/src/slic3r/GUI/FirmwareDialog.cpp
+++ b/src/slic3r/GUI/FirmwareDialog.cpp
@@ -58,7 +58,7 @@ using Utils::Serial;
 
 // USB IDs used to perform device lookup
 enum {
-	USB_VID_PRUSA    = 0x2c99,
+	USB_VID_QIDI     = 0x2c99,
 	USB_PID_MK2      = 1,
 	USB_PID_MK3      = 2,
 	USB_PID_MMU_BOOT = 3,
@@ -409,7 +409,7 @@ void FirmwareDialog::priv::avr109_wait_for_bootloader(Avr109Pid usb_pid, unsigne
 
 		auto ports = Utils::scan_serial_ports_extended();
 		ports.erase(std::remove_if(ports.begin(), ports.end(), [=](const SerialPortInfo &port ) {
-			return port.id_vendor != USB_VID_PRUSA || port.id_product != usb_pid.boot;
+			return port.id_vendor != USB_VID_QIDI || port.id_product != usb_pid.boot;
 		}), ports.end());
 
 		if (ports.size() == 1) {
@@ -442,7 +442,7 @@ void FirmwareDialog::priv::avr109_lookup_port(Avr109Pid usb_pid)
 
 	auto ports = Utils::scan_serial_ports_extended();
 	ports.erase(std::remove_if(ports.begin(), ports.end(), [=](const SerialPortInfo &port ) {
-		return port.id_vendor != USB_VID_PRUSA ||
+		return port.id_vendor != USB_VID_QIDI ||
 			(port.id_product != usb_pid.boot && port.id_product != usb_pid.app);
 	}), ports.end());
 
diff --git a/src/slic3r/GUI/GUI_App.cpp b/src/slic3r/GUI/GUI_App.cpp
index fdfb4f1..efaf33a 100644
--- a/src/slic3r/GUI/GUI_App.cpp
+++ b/src/slic3r/GUI/GUI_App.cpp
@@ -2021,7 +2021,7 @@ void GUI_App::import_model(wxWindow *parent, wxArrayString& input_files) const
 {
     input_files.Clear();
     wxFileDialog dialog(parent ? parent : GetTopWindow(),
-        _L("Choose one or more files (STL/3MF/STEP/OBJ/AMF/PRUSA):"),
+        _L("Choose one or more files (STL/3MF/STEP/OBJ/AMF/QIDI):"),
         from_u8(app_config->get_last_dir()), "",
         file_wildcards(FT_MODEL), wxFD_OPEN | wxFD_MULTIPLE | wxFD_FILE_MUST_EXIST);