diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index 4b52012415..1a29b9dd13 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -582,10 +582,14 @@
   #define LCD_SERIAL_PORT 0
   #define LCD_BAUDRATE 115200
   #define SERIAL_CATCHALL -1
-#elif ANY(MachineCR10SPro, MachineCRX, MachineEnder5Plus, MachineCR10Max) && NONE(GraphicLCD, MachineEnder3V2)
+#elif ANY(MachineCR10SPro, MachineCRX, MachineEnder5Plus, MachineCR10Max) && NONE(GraphicLCD, MachineEnder3V2, Creality422, Creality427)
   #define LCD_SERIAL_PORT 2
   #define LCD_BAUDRATE 115200
   #define SERIAL_CATCHALL 0
+#elif ANY(MachineCR10SPro, MachineCRX, MachineEnder5Plus, MachineCR10Max) && DISABLED(GraphicLCD)
+  #define LCD_SERIAL_PORT 3
+  #define LCD_BAUDRATE 115200
+  #define SERIAL_CATCHALL 1
 #elif ANY(Creality422, Creality427) && DISABLED(MachineEnder3V2)
   #define SERIAL_PORT_2 3
 #endif
diff --git a/Marlin/src/lcd/extui/lib/Creality/Creality_DWIN.cpp b/Marlin/src/lcd/extui/lib/Creality/Creality_DWIN.cpp
index 9952632bd9..0105e09883 100644
--- a/Marlin/src/lcd/extui/lib/Creality/Creality_DWIN.cpp
+++ b/Marlin/src/lcd/extui/lib/Creality/Creality_DWIN.cpp
@@ -1,4 +1,5 @@
 #include "Creality_DWIN.h"
+#include "FileNavigator.h"
 #include <HardwareSerial.h>
 #include <WString.h>
 #include <stdio.h>
@@ -7,6 +8,8 @@
 #if ENABLED(EXTENSIBLE_UI)
 namespace ExtUI
 {
+  static uint16_t fileIndex = 0;
+  uint8_t recordcount = 0;
   uint8_t waitway_lock = 0;
   const float manual_feedrate_mm_m[] = MANUAL_FEEDRATE;
   uint8_t startprogress = 0;
@@ -586,84 +589,6 @@ void RTSSHOW::RTS_SndData(unsigned long n, unsigned long addr, unsigned char cmd
 	RTS_SndData();
 }
 
-void RTSSHOW::RTS_SDCardUpate(bool removed, bool inserted)
-{
-	SERIAL_ECHOLNPGM_P(PSTR("SDUpdate"));
-  bool shouldCheck;
-  if(!removed && !inserted)
-    shouldCheck = isMediaInserted();
-  else
-    shouldCheck = false;
-
-  if (inserted || shouldCheck)
-  {
-    ExtUI::FileList files;
-    files.count();
-
-    int addrnum = 0;
-    int num = 0;
-    for (uint16_t i = 0; i < files.count() && i < (uint16_t)MaxFileNumber + addrnum; i++)
-    {
-      files.seek(i);
-      files.filename();
-      const char *pointFilename = files.longFilename();
-      int filenamelen = strlen(files.longFilename());
-      int j = 1;
-      while ((strncmp(&pointFilename[j], ".gcode", 6) && strncmp(&pointFilename[j], ".GCODE", 6)) && (j++) < filenamelen)
-          ;
-      if (j >= filenamelen)
-      {
-        addrnum++;
-        continue;
-      }
-
-      if (j >= TEXTBYTELEN)
-      {
-        //strncpy(&files.longFilename[TEXTBYTELEN -3],"~~",2);
-        //files.longFilename()[TEXTBYTELEN-1] = '\0';
-        j = TEXTBYTELEN - 1;
-      }
-
-      strncpy(CardRecbuf.Cardshowfilename[num], files.longFilename(), j);
-
-      strcpy(CardRecbuf.Cardfilename[num], files.shortFilename());
-      CardRecbuf.addr[num] = SDFILE_ADDR + num * 10;
-      rtscheck.RTS_SndData(CardRecbuf.Cardshowfilename[num], CardRecbuf.addr[num]);
-      CardRecbuf.Filesum = (++num);
-      //SERIAL_ECHO("  CardRecbuf.Filesum ==");
-      //SERIAL_ECHO(CardRecbuf.Filesum);
-      rtscheck.RTS_SndData(1, FilenameIcon + CardRecbuf.Filesum);
-    }
-      rtscheck.RTS_SndData(17, IconPrintstatus);
-    return;
-  }
-
-  if(removed || !shouldCheck)
-  {
-    for (int i = 0; i < MaxFileNumber; i++)
-    {
-      for (int j = 0; j < 10; j++)
-        rtscheck.RTS_SndData(0, SDFILE_ADDR + i * 10 + j);
-    }
-
-    for (int j = 0; j < 10; j++)
-    {
-      rtscheck.RTS_SndData(0, Printfilename + j);  //clean screen.
-      rtscheck.RTS_SndData(0, Choosefilename + j); //clean filename
-    }
-    for (int j = 0; j < 8; j++)
-      rtscheck.RTS_SndData(0, FilenameCount + j);
-    for (int j = 1; j <= MaxFileNumber; j++)
-    {
-      rtscheck.RTS_SndData(10, FilenameIcon + j);
-      rtscheck.RTS_SndData(10, FilenameIcon1 + j);
-    }
-    SERIAL_ECHOLNPGM_P(PSTR("***Card Removed***"));
-    rtscheck.RTS_SndData(18, IconPrintstatus);
-    return;
-  }
-}
-
 void RTSSHOW::RTS_HandleData()
 {
 	int Checkkey = -1;
@@ -767,7 +692,7 @@ SERIAL_ECHOLNPGM_P(PSTR("BeginSwitch"));
       {
         InforShowStatus = false;
         CardRecbuf.recordcount = -1;
-        RTS_SDCardUpate(false, false);
+        filenavigator.getFiles(0);
         SERIAL_ECHOLNPGM_P(PSTR("Handle Data PrintFile 1 Setting Screen "));
         RTS_SndData(ExchangePageBase + 46, ExchangepageAddr);
       }
@@ -1593,43 +1518,32 @@ SERIAL_ECHOLNPGM_P(PSTR("BeginSwitch"));
       break;
 
     case Filename:
-      SERIAL_ECHOLNPGM_P(PSTR("Filename"));
+      SERIAL_ECHOLNPGM_P(PSTR("Filename Selected"));
       if (isMediaInserted() && recdat.addr == FilenameChs)
       {
-        SERIAL_ECHOLNPGM_P(PSTR("Filename-Media"));
-        if (recdat.data[0] > (uint8_t)CardRecbuf.Filesum)
-          break;
+        SERIAL_ECHOLNPGM_P(PSTR("Has Media"));
 
-        SERIAL_ECHOLNPGM_P(PSTR("Recdata"));
-        CardRecbuf.recordcount = recdat.data[0] - 1;
-        for (int j = 0; j < 10; j++)
-          RTS_SndData(0, Choosefilename + j);
-        int filelen = strlen(CardRecbuf.Cardshowfilename[(int)CardRecbuf.recordcount]);
-        filelen = (TEXTBYTELEN - filelen) / 2;
-        if (filelen > 0)
-        {
-          char buf[20];
-          memset(buf, 0, sizeof(buf));
-          strncpy(buf, "                    ", filelen);
-          strcpy(&buf[filelen], CardRecbuf.Cardshowfilename[(int)CardRecbuf.recordcount]);
-          RTS_SndData(buf, Choosefilename);
+        recordcount = recdat.data[0] - 1;
+        if(filenavigator.currentindex == 0 && filenavigator.folderdepth > 0 && recordcount == 0) {
+          filenavigator.upDIR();
+          filenavigator.getFiles(0);
+          return;
         }
-        else
-          RTS_SndData(CardRecbuf.Cardshowfilename[(int)CardRecbuf.recordcount], Choosefilename);
 
-        for (int j = 0; j < 8; j++)
-          RTS_SndData(0, FilenameCount + j);
-        char buf[20];
-        memset(buf, 0, sizeof(buf));
-        sprintf(buf, "%d/%d", (int)recdat.data[0], CardRecbuf.Filesum);
-        RTS_SndData(buf, FilenameCount);
-        delay_ms(2);
-        for (int j = 1; j <= CardRecbuf.Filesum; j++)
+        for (int j = 1; j <= CardRecbuf.Filesum; j++) // Clear filename BG Color and Frame
         {
           RTS_SndData((unsigned long)0xFFFF, FilenameNature + j * 16); // white
           RTS_SndData(10, FilenameIcon1 + j);							 //clean
         }
 
+        if(filenavigator.getIndexisDir(fileIndex + recordcount))
+          filenavigator.changeDIR((char *)filenavigator.getIndexName(fileIndex + recordcount));
+        else{
+          for (int j = 0; j < 10; j++) // clear current filename
+            RTS_SndData(0, Choosefilename + j);
+          RTS_SndData(filenavigator.getIndexName(fileIndex + recordcount), Choosefilename);
+        }
+
         RTS_SndData((unsigned long)0x87F0, FilenameNature + recdat.data[0] * 16); // Change BG of selected line to Light Green
         RTS_SndData(6, FilenameIcon1 + recdat.data[0]);							  // show frame
       }
@@ -1639,31 +1553,14 @@ SERIAL_ECHOLNPGM_P(PSTR("BeginSwitch"));
         {
           if (CardRecbuf.recordcount < 0)
             break;
-          printFile(CardRecbuf.Cardfilename[(int)CardRecbuf.recordcount]);
+          printFile(filenavigator.getIndexName(fileIndex + recordcount));
 
           for (int j = 0; j < 10; j++) //clean screen.
             RTS_SndData(0, Printfilename + j);
 
-          int filelen = strlen(CardRecbuf.Cardshowfilename[(int)CardRecbuf.recordcount]);
-          filelen = (TEXTBYTELEN - filelen) / 2;
-          if (filelen > 0)
-          {
-            char buf[20];
-            memset(buf, 0, sizeof(buf));
-            strncpy(buf, "                    ", filelen);
-            strcpy(&buf[filelen], CardRecbuf.Cardshowfilename[(int)CardRecbuf.recordcount]);
-            RTS_SndData(buf, Printfilename);
-          }
-          else
-            RTS_SndData(CardRecbuf.Cardshowfilename[(int)CardRecbuf.recordcount], Printfilename);
+          RTS_SndData(filenavigator.getIndexName(fileIndex + recordcount), Printfilename);
           delay_ms(2);
 
-          #if FAN_COUNT > 0
-            for (uint8_t i = 0; i < FAN_COUNT; i++)
-              setTargetFan_percent(FanOn, (fan_t)i);
-            #endif
-          FanStatus = false;
-
           RTS_SndData(1 + CEIconGrap, IconPrintstatus); // 1 for Heating
           delay_ms(2);
           RTS_SndData(ExchangePageBase + 53, ExchangepageAddr);
@@ -1720,18 +1617,56 @@ void onPrinterKilled(PGM_P killMsg, PGM_P component) {
 void onMediaInserted()
 {
 	SERIAL_ECHOLNPGM_P(PSTR("***Initing card is OK***"));
-  rtscheck.RTS_SDCardUpate(false, true);
+  filenavigator.getFiles(0);
 }
 
 void onMediaError()
 {
-  rtscheck.RTS_SDCardUpate(true, false);
+  for (int i = 0; i < MaxFileNumber; i++)
+  {
+    for (int j = 0; j < 10; j++)
+      rtscheck.RTS_SndData(0, SDFILE_ADDR + i * 10 + j);
+  }
+
+  for (int j = 0; j < 10; j++)
+  {
+    rtscheck.RTS_SndData(0, Printfilename + j);  //clean screen.
+    rtscheck.RTS_SndData(0, Choosefilename + j); //clean filename
+  }
+  for (int j = 0; j < 8; j++)
+    rtscheck.RTS_SndData(0, FilenameCount + j);
+  for (int j = 1; j <= MaxFileNumber; j++)
+  {
+    rtscheck.RTS_SndData(10, FilenameIcon + j);
+    rtscheck.RTS_SndData(10, FilenameIcon1 + j);
+  }
+  rtscheck.RTS_SndData(18, IconPrintstatus);
+  return;
 	SERIAL_ECHOLNPGM_P(PSTR("***Initing card fails***"));
 }
 
 void onMediaRemoved()
 {
-  rtscheck.RTS_SDCardUpate(true, false);
+  for (int i = 0; i < MaxFileNumber; i++)
+  {
+    for (int j = 0; j < 10; j++)
+      rtscheck.RTS_SndData(0, SDFILE_ADDR + i * 10 + j);
+  }
+
+  for (int j = 0; j < 10; j++)
+  {
+    rtscheck.RTS_SndData(0, Printfilename + j);  //clean screen.
+    rtscheck.RTS_SndData(0, Choosefilename + j); //clean filename
+  }
+  for (int j = 0; j < 8; j++)
+    rtscheck.RTS_SndData(0, FilenameCount + j);
+  for (int j = 1; j <= MaxFileNumber; j++)
+  {
+    rtscheck.RTS_SndData(10, FilenameIcon + j);
+    rtscheck.RTS_SndData(10, FilenameIcon1 + j);
+  }
+  rtscheck.RTS_SndData(18, IconPrintstatus);
+  return;
 	SERIAL_ECHOLN("***Card Removed***");
 }
 
diff --git a/Marlin/src/lcd/extui/lib/Creality/FileNavigator.cpp b/Marlin/src/lcd/extui/lib/Creality/FileNavigator.cpp
new file mode 100644
index 0000000000..5789a6a3d2
--- /dev/null
+++ b/Marlin/src/lcd/extui/lib/Creality/FileNavigator.cpp
@@ -0,0 +1,144 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+/* ****************************************
+ * lcd/extui/lib/nextion/FileNavigator.cpp
+ * ****************************************
+ * Extensible_UI implementation for Nextion
+ * https://github.com/Skorpi08
+ * ***************************************/
+
+#include "../../../../inc/MarlinConfigPre.h"
+
+
+
+#include "FileNavigator.h"
+
+using namespace ExtUI;
+
+#define DEBUG_OUT NEXDEBUGLEVEL
+#include "../../../../core/debug_out.h"
+
+FileList  FileNavigator::filelist;                          // Instance of the Marlin file API
+char      FileNavigator::currentfoldername[MAX_PATH_LEN];   // Current folder path
+uint16_t  FileNavigator::lastindex;
+uint8_t   FileNavigator::folderdepth;
+uint16_t  FileNavigator::currentindex;                      // override the panel request
+
+FileNavigator filenavigator;
+
+FileNavigator::FileNavigator() { reset(); }
+
+void FileNavigator::reset() {
+  currentfoldername[0] = '\0';
+  folderdepth  = 0;
+  currentindex = 0;
+  lastindex    = 0;
+  // Start at root folder
+  while (!filelist.isAtRootDir()) filelist.upDir();
+  refresh();
+}
+
+void FileNavigator::refresh() { filelist.refresh(); }
+
+
+bool FileNavigator::getIndexisDir(uint16_t index){
+  filelist.seek(index);
+  return filelist.isDir();
+}
+
+const char *FileNavigator::getIndexName(uint16_t index){
+  filelist.seek(index);
+  return filelist.shortFilename();
+}
+
+void FileNavigator::getFiles(uint16_t index) {
+  uint16_t files = DISPLAY_FILES, fseek = 0, fcnt  = 0;
+  if (index == 0)
+    currentindex = 0;
+  else {
+    // Each time we change folder we reset the file index to 0 and keep track
+    // of the current position as the TFT panel isn't aware of folder trees.
+    --currentindex; // go back a file to take account of the .. added to the root.
+    if (index > lastindex)
+      currentindex += files + 1;
+    else if (currentindex >= files)
+      currentindex -= files - 1;
+    else
+      currentindex = 0;
+  }
+  lastindex = index;
+
+  DEBUG_ECHOLNPAIR("index=", index, " currentindex=", currentindex);
+
+  if (currentindex == 0 && folderdepth > 0) { // Add a link to go up a folder
+    files--;
+    rtscheck.RTS_SndData(filelist.shortFilename(), SDFILE_ADDR);
+    fcnt++;
+  }
+
+  for (uint16_t seek = currentindex; seek < currentindex + files; seek++) {
+    if (filelist.seek(seek)) {
+      rtscheck.RTS_SndData(filelist.shortFilename(), (SDFILE_ADDR + (fcnt * 10)));
+      if (filelist.isDir())
+        rtscheck.RTS_SndData((unsigned long)0x1A2B, (FilenameNature + (fcnt * 16))); // Change BG of selected line to Light Green
+      else
+        rtscheck.RTS_SndData((unsigned long)0xFFFF, FilenameNature + fcnt * 16); // white
+      rtscheck.RTS_SndData(1, FilenameIcon + ++fcnt);
+      fcnt++;
+      fseek = seek;
+      DEBUG_ECHOLNPAIR("-", seek, " '", filelist.longFilename(), "' '", currentfoldername, "", filelist.shortFilename(), "'\n");
+    }
+  }
+}
+
+void FileNavigator::changeDIR(char *folder) {
+  DEBUG_ECHOLNPAIR("currentfolder: ", currentfoldername, "  New: ", folder);
+  if (folderdepth >= MAX_FOLDER_DEPTH) return; // limit the folder depth
+  strcat(currentfoldername, folder);
+  strcat(currentfoldername, "/");
+  filelist.changeDir(folder);
+  refresh();
+  folderdepth++;
+  currentindex = 0;
+}
+
+void FileNavigator::upDIR() {
+  filelist.upDir();
+  refresh();
+  folderdepth--;
+  currentindex = 0;
+  // Remove the last child folder from the stored path
+  if (folderdepth == 0) {
+    currentfoldername[0] = '\0';
+    reset();
+  }
+  else {
+    char *pos = nullptr;
+    for (uint8_t f = 0; f < folderdepth; f++)
+      pos = strchr(currentfoldername, '/');
+    pos[1] = '\0';
+  }
+  DEBUG_ECHOLNPAIR("depth: ", folderdepth, " currentfoldername: ", currentfoldername);
+}
+
+char* FileNavigator::getCurrentFolderName() { return currentfoldername; }
diff --git a/Marlin/src/lcd/extui/lib/Creality/FileNavigator.h b/Marlin/src/lcd/extui/lib/Creality/FileNavigator.h
new file mode 100644
index 0000000000..0f37e8eaa6
--- /dev/null
+++ b/Marlin/src/lcd/extui/lib/Creality/FileNavigator.h
@@ -0,0 +1,60 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/* ****************************************
+ * lcd/extui/lib/nextion/FileNavigator.cpp
+ * ****************************************
+ * Extensible_UI implementation for Nextion
+ * https://github.com/Skorpi08
+ * ***************************************/
+
+#include "../../ui_api.h"
+#include "Creality_DWIN.h"
+
+#define MAX_FOLDER_DEPTH                4    // Limit folder depth TFT has a limit for the file path
+#define MAX_CMND_LEN                   16 * MAX_FOLDER_DEPTH // Maximum Length for a Panel command
+#define MAX_PATH_LEN                   16 * MAX_FOLDER_DEPTH // Maximum number of characters in a SD file path
+#define DISPLAY_FILES                   5
+
+using namespace ExtUI;
+
+class FileNavigator {
+  public:
+    FileNavigator();
+    static void  reset();
+    static void  getFiles(uint16_t);
+    static void  upDIR();
+    static void  changeDIR(char *);
+    static void  refresh();
+    static char* getCurrentFolderName();
+    static uint8_t  folderdepth;
+    static uint16_t currentindex;
+    static bool getIndexisDir(uint16_t);
+    const char *getIndexName(uint16_t);
+  private:
+    static FileList filelist;
+    static char     currentfoldername[MAX_PATH_LEN];
+    static uint16_t lastindex;
+};
+
+extern FileNavigator filenavigator;