diff --git a/Marlin/src/HAL/STM32F1/eeprom_spi_w25q.cpp b/Marlin/src/HAL/STM32F1/eeprom_spi_w25q.cpp
index aab4593bfe..6e9bf622ca 100644
--- a/Marlin/src/HAL/STM32F1/eeprom_spi_w25q.cpp
+++ b/Marlin/src/HAL/STM32F1/eeprom_spi_w25q.cpp
@@ -12,10 +12,12 @@ U5 W25Q64BV, 16K SERIAL EEPROM:
 //W25QXXFlash W25QXX;
 uint8_t spi_eeprom[MARLIN_EEPROM_SIZE];
 
+void eeprom_test(void);
 
 void eeprom_init(void){
     DEBUG("Start EEPROM");
     W25QXX.init(SPI_QUARTER_SPEED);
+    //eeprom_test();
     W25QXX.SPI_FLASH_BufferRead((uint8_t *)spi_eeprom,SPI_EEPROM_OFFSET,MARLIN_EEPROM_SIZE);
 }
 
@@ -56,4 +58,46 @@ void eeprom_update_block(const void *__src, void *__dst, size_t __n){
   ERROR("Call to missing function");
 };
 
+void eeprom_test(void){
+    uint16_t chip_id=0;
+    
+    chip_id=W25QXX.W25QXX_ReadID();
+    DEBUG("SPI Flash ID %0X",chip_id);
+
+    DEBUG("Read FLASH:");
+    for(uint32_t i=0; i < 50 ; ){
+        memset(spi_eeprom,0,10);
+        W25QXX.SPI_FLASH_BufferRead((uint8_t *)spi_eeprom,SPI_EEPROM_OFFSET+i,10);
+        DEBUG("%d %0X %0X %0X %0X %0X %0X %0X %0X %0X %0X",i,spi_eeprom[0],spi_eeprom[1],spi_eeprom[2],spi_eeprom[3],spi_eeprom[4],spi_eeprom[5],spi_eeprom[6],spi_eeprom[7],spi_eeprom[8],spi_eeprom[9]);
+        i=i+10;
+    }
+
+    DEBUG("Erase flash");
+    W25QXX.SPI_FLASH_WriteEnable();
+    W25QXX.SPI_FLASH_SectorErase(SPI_EEPROM_OFFSET);
+
+    DEBUG("Read FLASH:");
+    for(uint32_t i=0; i < 50 ; ){
+        memset(spi_eeprom,0,10);
+        W25QXX.SPI_FLASH_BufferRead((uint8_t *)spi_eeprom,SPI_EEPROM_OFFSET+i,10);
+        DEBUG("%d %0X %0X %0X %0X %0X %0X %0X %0X %0X %0X",i,spi_eeprom[0],spi_eeprom[1],spi_eeprom[2],spi_eeprom[3],spi_eeprom[4],spi_eeprom[5],spi_eeprom[6],spi_eeprom[7],spi_eeprom[8],spi_eeprom[9]);
+        i=i+10;
+    }
+
+    DEBUG("Read/write FLASH:");
+    for(uint32_t i=0; i < 50 ; ){
+        
+        memset(spi_eeprom,0x0B,10);
+
+        W25QXX.SPI_FLASH_WriteEnable();
+        W25QXX.SPI_FLASH_BufferWrite((uint8_t *)spi_eeprom,SPI_EEPROM_OFFSET+i,10);
+
+        W25QXX.SPI_FLASH_BufferRead((uint8_t *)spi_eeprom,SPI_EEPROM_OFFSET+i,10);
+        DEBUG("%d %0X %0X %0X %0X %0X %0X %0X %0X %0X %0X",i,spi_eeprom[0],spi_eeprom[1],spi_eeprom[2],spi_eeprom[3],spi_eeprom[4],spi_eeprom[5],spi_eeprom[6],spi_eeprom[7],spi_eeprom[8],spi_eeprom[9]);
+        i=i+10;
+    }
+
+}
+
+
 #endif // SPI_EEPROM_W25Q
diff --git a/Marlin/src/HAL/STM32F1/eeprom_wired.cpp b/Marlin/src/HAL/STM32F1/eeprom_wired.cpp
index b4699d00dc..f4bb2f6b7c 100644
--- a/Marlin/src/HAL/STM32F1/eeprom_wired.cpp
+++ b/Marlin/src/HAL/STM32F1/eeprom_wired.cpp
@@ -36,7 +36,12 @@
 #endif
 size_t PersistentStore::capacity()    { return MARLIN_EEPROM_SIZE; }
 
-bool PersistentStore::access_finish() { return true; }
+bool PersistentStore::access_finish() { 
+  #if ENABLED(EEPROM_W25Q)
+  eeprom_hw_deinit();
+  #endif
+  return true; 
+  }
 
 bool PersistentStore::access_start() {
   eeprom_init();
diff --git a/Marlin/src/HAL/shared/eeprom_if.h b/Marlin/src/HAL/shared/eeprom_if.h
index e44da801df..44bc0c719c 100644
--- a/Marlin/src/HAL/shared/eeprom_if.h
+++ b/Marlin/src/HAL/shared/eeprom_if.h
@@ -27,3 +27,7 @@
 void eeprom_init();
 void eeprom_write_byte(uint8_t *pos, unsigned char value);
 uint8_t eeprom_read_byte(uint8_t *pos);
+
+#if ENABLED(EEPROM_W25Q)
+void eeprom_hw_deinit(void);
+#endif
\ No newline at end of file
diff --git a/Marlin/src/libs/Segger/log.h b/Marlin/src/libs/Segger/log.h
index 3fc5dc468d..28978e22b9 100644
--- a/Marlin/src/libs/Segger/log.h
+++ b/Marlin/src/libs/Segger/log.h
@@ -1,43 +1,37 @@
 #ifndef LOG_H
 #define LOG_H
-#include "SEGGER_RTT.h"
-#include "../../module/mks_wifi/debug_to_uart.h"
-
-//#define DEBUG_MSG
-//#define INFO_MSG
-//#define WARNING_MSG
-//#define ERROR_MSG
-
-//#define COLOR_LOG_RTT 
 
 //#define DEBUG_TO_UART
-#define DEBUG_TO_SEGGER_RTT
+//#define DEBUG_TO_SEGGER_RTT
 
-#ifdef COLOR_LOG_RTT
+#ifdef DEBUG_TO_UART
+    #include <stdarg.h>
+    #include "../../module/mks_wifi/debug_to_uart.h"
+    #define DEBUG_MSG
+    #define INFO_MSG
+    #define WARNING_MSG
+    #define ERROR_MSG
+#endif
 
-    #ifdef DEBUG_MSG
-        #define DEBUG(fmt, args...) SEGGER_RTT_printf(0,"%sDEBUG %-20s:%-4d [%d]:" fmt "%s\r\n",RTT_CTRL_TEXT_BLUE,  __func__, __LINE__,dwt_get_tick_in_sec(), ## args, RTT_CTRL_RESET)
-    #else
+#ifdef DEBUG_TO_SEGGER_RTT
+    #include "SEGGER_RTT.h"
+    #define DEBUG_MSG
+    #define INFO_MSG
+    #define WARNING_MSG
+    #define ERROR_MSG
+#endif
+
+#ifndef DEBUG_TO_SEGGER_RTT
+    #ifndef DEBUG_TO_UART
+        #include <stdarg.h>
         #define DEBUG(fmt, args...)
-    #endif
-    #ifdef INFO_MSG
-        #define INFO(fmt, args...)  SEGGER_RTT_printf(0,"%s[I] %-20s:%-4d [%d]:" fmt "%s\r\n",RTT_CTRL_TEXT_WHITE, __func__, __LINE__,dwt_get_tick_in_sec(), ## args,RTT_CTRL_RESET)
-    #else
         #define INFO(fmt, args...)
-    #endif
-    #ifdef WARNING_MSG
-        #define WARNING(fmt, args...) SEGGER_RTT_printf(0,"%s[W] %-20s:%-4d [%d]:" fmt "%s\r\n",RTT_CTRL_TEXT_BRIGHT_YELLOW, __func__, __LINE__,dwt_get_tick_in_sec(), ## args,RTT_CTRL_RESET)
-    #else
         #define WARNING(fmt, args...)
-    #endif
-    #ifdef ERROR_MSG
-        #define ERROR(fmt, args...) SEGGER_RTT_printf(0,"%s[E] %-20s:%-4d [%d]:" fmt "%s\r\n",RTT_CTRL_TEXT_RED,  __func__, __LINE__,dwt_get_tick_in_sec(),## args,RTT_CTRL_RESET)
-    #else
         #define ERROR(fmt, args...)
     #endif
-#else
-    #ifdef DEBUG_TO_UART
+#endif
 
+#ifdef DEBUG_TO_UART
     #ifdef DEBUG_MSG
         #define DEBUG(fmt, args...) debug_to_uart((char*)"[D] %-20s:%-4d :" fmt "\n", __func__, __LINE__, ## args)
     #else
@@ -59,9 +53,9 @@
         #define ERROR(fmt, args...)
     #endif
 
-    #endif
+#endif
 
-    #ifdef DEBUG_TO_SEGGER_RTT
+#ifdef DEBUG_TO_SEGGER_RTT
 
     #ifdef DEBUG_MSG
         #define DEBUG(fmt, args...) SEGGER_RTT_printf(0,"[D] %-20s:%-4d :" fmt "\r\n", __func__, __LINE__, ## args)
@@ -88,4 +82,3 @@
 
 #endif
 
-#endif
diff --git a/Marlin/src/module/mks_wifi/debug_to_uart.cpp b/Marlin/src/module/mks_wifi/debug_to_uart.cpp
index 79be0b201a..d42e53465d 100644
--- a/Marlin/src/module/mks_wifi/debug_to_uart.cpp
+++ b/Marlin/src/module/mks_wifi/debug_to_uart.cpp
@@ -25,7 +25,5 @@ void debug_to_uart(char *fmt,...){
     }
    
 
-
 }
-
 #endif
diff --git a/Marlin/src/module/mks_wifi/debug_to_uart.h b/Marlin/src/module/mks_wifi/debug_to_uart.h
index eacf46d3b5..7621525c4b 100644
--- a/Marlin/src/module/mks_wifi/debug_to_uart.h
+++ b/Marlin/src/module/mks_wifi/debug_to_uart.h
@@ -1,11 +1,11 @@
 #ifndef DEBUG_UART_H
 #define DEBUG_UART_H
 
-#ifdef DEBUG_TO_UART
-
 #include "../../MarlinCore.h"
 #include "../../inc/MarlinConfig.h"
 
+#ifdef DEBUG_TO_UART
+
 void debug_to_uart(char *fmt,...);
 
 #endif
diff --git a/firmware/all_drv_2208/Robin_nano35.bin b/firmware/all_drv_2208/Robin_nano35.bin
index 681084fa54..993379fd61 100644
Binary files a/firmware/all_drv_2208/Robin_nano35.bin and b/firmware/all_drv_2208/Robin_nano35.bin differ
diff --git a/firmware/fb_4s/Robin_nano35.bin b/firmware/fb_4s/Robin_nano35.bin
index 9076241ec8..1cfa975dd1 100644
Binary files a/firmware/fb_4s/Robin_nano35.bin and b/firmware/fb_4s/Robin_nano35.bin differ
diff --git a/firmware/fb_5/Robin_nano35.bin b/firmware/fb_5/Robin_nano35.bin
index 7f1c8e00ac..3521fd5a79 100644
Binary files a/firmware/fb_5/Robin_nano35.bin and b/firmware/fb_5/Robin_nano35.bin differ