diff --git a/TH3DUF_R2/Configuration.h b/TH3DUF_R2/Configuration.h
index 668fd9b..db7b96e 100644
--- a/TH3DUF_R2/Configuration.h
+++ b/TH3DUF_R2/Configuration.h
@@ -307,6 +307,24 @@
 // If you are using a dual hotend with dual nozzles uncomment the below line
 //#define DUAL_HOTEND_DUAL_NOZZLES
 
+//===========================================================================
+// Creality Ender 4 Options - Select 'Arduino Mega 2560' from Tools > Board
+//===========================================================================
+//#define ENDER4
+
+// If you have the filament sensor from Creality uncomment the below line
+//#define ENDER4_FIL
+
+// If you are using our EZOut V2 (connected to X+ connector) filament sensor kit please follow the install guide
+// and then uncomment the #define EZOUT_ENABLE line below.
+// Do NOT ever connect our filament sensor without the supplied adapter board.
+//#define EZOUTV2_ENABLE
+
+// EZABL Probe Mounts
+//#define ENDER4_OEM_LEFT
+//#define ENDER4_OEM_RIGHT //need to design
+//#define CUSTOM_PROBE
+
 //===========================================================================
 // Creality Ender 5 Options - Select 'Sanguino 1284p' from Tools > Board
 //===========================================================================
@@ -676,6 +694,6 @@
 
 #include "Configuration_backend.h"
 
-#define UNIFIED_VERSION "TH3D U1.R2.8a"
+#define UNIFIED_VERSION "TH3D U1.R2.9"
 
 #endif // CONFIGURATION_H
diff --git a/TH3DUF_R2/Configuration_adv.h b/TH3DUF_R2/Configuration_adv.h
index ee540f0..e9ddd1d 100644
--- a/TH3DUF_R2/Configuration_adv.h
+++ b/TH3DUF_R2/Configuration_adv.h
@@ -272,15 +272,15 @@
   #else
     #define BABYSTEP_MULTIPLICATOR 10
   #endif
-  #if ENABLED(EZABL_ENABLE)
+  #if ENABLED(EZABL_ENABLE) && DISABLED(LCD2004)
     #define BABYSTEP_ZPROBE_OFFSET   
-    #define BABYSTEP_ZPROBE_GFX_OVERLAY 
+    #define BABYSTEP_ZPROBE_GFX_OVERLAY
   #endif
   #define DOUBLECLICK_FOR_Z_BABYSTEPPING
   #define DOUBLECLICK_MAX_INTERVAL 2000 
   
   #if ENABLED(EZABL_ENABLE) && DISABLED(LCD2004)
-    
+    #define BABYSTEP_ZPROBE_OFFSET
   #endif
 #endif
 
diff --git a/TH3DUF_R2/Configuration_backend.h b/TH3DUF_R2/Configuration_backend.h
index 5b4c969..fb36207 100644
--- a/TH3DUF_R2/Configuration_backend.h
+++ b/TH3DUF_R2/Configuration_backend.h
@@ -31,6 +31,11 @@
     #define DISABLE_BOOT
   #endif
 #endif
+#if ENABLED(ENDER4_OEM_LEFT)
+  #define X_PROBE_OFFSET_FROM_EXTRUDER -53
+  #define Y_PROBE_OFFSET_FROM_EXTRUDER -19
+  #define EZABL_ENABLE
+#endif
 #if ENABLED(ADIM_I3P_OEM)
   #define X_PROBE_OFFSET_FROM_EXTRUDER 33
   #define Y_PROBE_OFFSET_FROM_EXTRUDER -60
@@ -151,6 +156,75 @@
   #define DISABLE_BOOT
 #endif
 
+//Ender 4 Settings
+#if ENABLED(ENDER4)
+  #define BAUDRATE 115200
+  
+  #ifndef MOTHERBOARD
+    #define MOTHERBOARD BOARD_RAMPS_ENDER_4
+  #endif
+    
+  #define X_MIN_ENDSTOP_INVERTING true
+  #define Y_MIN_ENDSTOP_INVERTING false
+  #define Z_MIN_ENDSTOP_INVERTING false
+  #define X_MAX_ENDSTOP_INVERTING false
+  #define Y_MAX_ENDSTOP_INVERTING false
+  #define Z_MAX_ENDSTOP_INVERTING false
+  #define Z_MIN_PROBE_ENDSTOP_INVERTING false
+
+  #if ENABLED(TITAN_EXTRUDER)
+    #define DEFAULT_AXIS_STEPS_PER_UNIT   { 80, 80, 400, TITAN_EXTRUDER_STEPS }
+  #else
+    #if ENABLED(CUSTOM_ESTEPS)
+      #define DEFAULT_AXIS_STEPS_PER_UNIT   { 80, 80, 400, CUSTOM_ESTEPS_VALUE }
+    #else
+      #define DEFAULT_AXIS_STEPS_PER_UNIT   { 80, 80, 400, 95 }
+    #endif
+  #endif
+  
+  #define REPRAP_DISCOUNT_SMART_CONTROLLER
+  #define LCD2004
+  
+  #define DEFAULT_MAX_FEEDRATE          { 400, 400, 15, 50 }
+
+  #define DEFAULT_MAX_ACCELERATION      { 1000, 1000, 50, 5000 }
+  
+  #define DEFAULT_ACCELERATION          1000    
+  #define DEFAULT_RETRACT_ACCELERATION  1000   
+  #define DEFAULT_TRAVEL_ACCELERATION   1000
+  
+  #define COREXY
+
+  #define X_BED_SIZE 220
+  #define Y_BED_SIZE 220
+  #define Z_MAX_POS 310
+
+  #if ENABLED(HOME_ADJUST)
+    #define X_MIN_POS X_HOME_LOCATION
+    #define Y_MIN_POS Y_HOME_LOCATION
+  #else
+    #define X_MIN_POS 0
+    #define Y_MIN_POS 0
+  #endif
+
+  #define DEFAULT_XJERK                 10.0
+  #define DEFAULT_YJERK                 10.0
+  #define DEFAULT_ZJERK                  0.4
+  #define DEFAULT_EJERK                  5.0
+
+  #define INVERT_X_DIR true
+  #define INVERT_Y_DIR true
+  #define INVERT_Z_DIR true
+
+  #if ENABLED(TITAN_EXTRUDER)
+    #define INVERT_E0_DIR false
+  #else
+    #define INVERT_E0_DIR true
+  #endif
+  
+  #define PRINTER_ENABLED_CHECK
+#endif //end ender 4 settings
+
 //Tronxy X5S Settings
 #if ENABLED(TRONXY_X5S)
   #define SLIM_1284P
@@ -2019,7 +2093,7 @@
   #define MAX_SOFTWARE_ENDSTOP_Z
 #endif
 
-#if ENABLED(EZOUT_ENABLE) || ENABLED(EZOUTV2_ENABLE) || (ENABLED(CR10S) && DISABLED(CR10S_NOFILAMENTSENSOR)) || (ENABLED(CR10S_MINI) && DISABLED(CR10S_NOFILAMENTSENSOR))  || (ENABLED(CR10S_S4) && DISABLED(CR10S_NOFILAMENTSENSOR)) || (ENABLED(CR10S_S5) && DISABLED(CR10S_NOFILAMENTSENSOR)) || ENABLED(ALFAWISE_U10) || ENABLED(ADIM_GANTRY_I3_PLUS)
+#if ENABLED(EZOUT_ENABLE) || ENABLED(EZOUTV2_ENABLE) || (ENABLED(CR10S) && DISABLED(CR10S_NOFILAMENTSENSOR)) || (ENABLED(CR10S_MINI) && DISABLED(CR10S_NOFILAMENTSENSOR))  || (ENABLED(CR10S_S4) && DISABLED(CR10S_NOFILAMENTSENSOR)) || (ENABLED(CR10S_S5) && DISABLED(CR10S_NOFILAMENTSENSOR)) || ENABLED(ALFAWISE_U10) || ENABLED(ADIM_GANTRY_I3_PLUS) || ENABLED(ENDER4_FIL)
   #define FILAMENT_RUNOUT_SENSOR
   #if ENABLED(FILAMENT_RUNOUT_SENSOR)
     #if ENABLED(EZOUT_ENABLE) || ENABLED(EZOUTV2_ENABLE) || ENABLED(ADIM_GANTRY_I3_PLUS)
diff --git a/TH3DUF_R2/SanityCheck.h b/TH3DUF_R2/SanityCheck.h
index ca22e92..13baa58 100644
--- a/TH3DUF_R2/SanityCheck.h
+++ b/TH3DUF_R2/SanityCheck.h
@@ -40,6 +40,10 @@
   #error "Only use one type of EZOut sensor at a time. Please read the EZOut installation guide for details."
 #endif
 
+#if ENABLED(EZOUTV2_ENABLE) && ENABLED(ENDER4_FIL)
+  #error "Only use one type of filament sensor at a time on the Ender 4. Please enable the one you have and disable the other."
+#endif
+
 #if ENABLED(TH3D_HOTEND_THERMISTOR) && ENABLED(V6_HOTEND)
   #error "Only select one type of hotend thermistor setting."
 #endif
diff --git a/TH3DUF_R2/pins_RAMPS.h b/TH3DUF_R2/pins_RAMPS.h
index 1f8c81a..d5c95d7 100644
--- a/TH3DUF_R2/pins_RAMPS.h
+++ b/TH3DUF_R2/pins_RAMPS.h
@@ -77,6 +77,8 @@
 #ifndef X_MAX_PIN
   #if ENABLED(EZOUTV2_ENABLE)
     #define X_MAX_PIN         -1
+  #elif ENABLED(ENDER4_FIL)
+    #define X_MAX_PIN         -1
   #else
     #define X_MAX_PIN         2
   #endif
@@ -286,7 +288,7 @@
 #endif
 
 // define digital pin 4 for the filament runout sensor. Use the RAMPS 1.4 digital input 4 on the servos connector
-#if ENABLED(EZOUTV2_ENABLE)
+#if ENABLED(EZOUTV2_ENABLE) || ENABLED(ENDER4_FIL)
   #if ENABLED(TIM_SMARTT)
     #define FIL_RUNOUT_PIN      57
   #else