diff --git a/Firmware/Marlin_main.cpp b/Firmware/Marlin_main.cpp
index 0f79a78d..30e5c0b6 100644
--- a/Firmware/Marlin_main.cpp
+++ b/Firmware/Marlin_main.cpp
@@ -970,6 +970,35 @@ void erase_eeprom_section(uint16_t offset, uint16_t bytes)
 	for (int i = offset; i < (offset+bytes); i++) eeprom_write_byte((uint8_t*)i, 0xFF);
 }
 
+#include "bootapp.h"
+
+void __test()
+{
+	cli();
+	boot_app_magic = 0x55aa55aa;
+	boot_app_flags = BOOT_APP_FLG_USER0;
+	boot_reserved = 0x00;
+	wdt_enable(WDTO_15MS);
+	while(1);
+}
+
+void upgrade_sec_lang_from_external_flash()
+{
+	if ((boot_app_magic == 0x55aa55aa) && (boot_app_flags & BOOT_APP_FLG_USER0))
+	{
+		fprintf_P(lcdout, PSTR(ESC_2J ESC_H(1,1) "TEST %d"), boot_reserved);
+		boot_reserved++;
+		if (boot_reserved < 4)
+		{
+			_delay_ms(1000);
+			cli();
+			wdt_enable(WDTO_15MS);
+			while(1);
+		}
+	}
+	boot_app_flags &= ~BOOT_APP_FLG_USER0;
+}
+
 // "Setup" function is called by the Arduino framework on startup.
 // Before startup, the Timers-functions (PWM)/Analog RW and HardwareSerial provided by the Arduino-code 
 // are initialized by the main() routine provided by the Arduino framework.
@@ -977,6 +1006,9 @@ void setup()
 {
     lcd_init();
 	fdev_setup_stream(lcdout, lcd_putchar, NULL, _FDEV_SETUP_WRITE); //setup lcdout stream
+
+//	upgrade_sec_lang_from_external_flash();
+
 	lcd_splash();
 	setup_killpin();
 	setup_powerhold();
diff --git a/Firmware/bootapp.c b/Firmware/bootapp.c
new file mode 100644
index 00000000..0f652921
--- /dev/null
+++ b/Firmware/bootapp.c
@@ -0,0 +1,32 @@
+//bootapp.c
+#include "bootapp.h"
+#include <avr/pgmspace.h>
+#include <avr/wdt.h>
+#include <avr/interrupt.h>
+
+
+/*
+void bootapp_print_vars()
+{
+	printf_P(_n("boot_src_addr  =0x%08lx\n"), boot_src_addr);
+	printf_P(_n("boot_dst_addr  =0x%08lx\n"), boot_dst_addr);
+	printf_P(_n("boot_copy_size =0x%04x\n"), boot_copy_size);
+	printf_P(_n("boot_reserved  =0x%02x\n"), boot_reserved);
+	printf_P(_n("boot_app_flags =0x%02x\n"), boot_app_flags);
+	printf_P(_n("boot_app_magic =0x%08lx\n"), boot_app_magic);
+}
+*/
+
+void bootapp_ram2flash(uint16_t rptr, uint16_t fptr, uint16_t size)
+{
+	cli();
+//	uint16_t ui; for (ui = 0; ui < size; ui++)
+//		ram_array[ui+rptr] = 0xff;
+	boot_app_magic = 0x55aa55aa;
+	boot_app_flags = BOOT_APP_FLG_ERASE | BOOT_APP_FLG_COPY;
+	boot_copy_size = (uint16_t)size;
+	boot_src_addr = (uint32_t)rptr;
+	boot_dst_addr = (uint32_t)fptr;
+	wdt_enable(WDTO_15MS);
+	while(1);
+}
diff --git a/Firmware/bootapp.h b/Firmware/bootapp.h
new file mode 100644
index 00000000..dc0006e4
--- /dev/null
+++ b/Firmware/bootapp.h
@@ -0,0 +1,36 @@
+//language.h
+#ifndef BOOTAPP_H
+#define BOOTAPP_H
+
+#include "config.h"
+#include <inttypes.h>
+
+
+#define RAMSIZE        0x2000
+#define ram_array ((uint8_t*)(0))
+#define boot_src_addr  (*((uint32_t*)(RAMSIZE - 16)))
+#define boot_dst_addr  (*((uint32_t*)(RAMSIZE - 12)))
+#define boot_copy_size (*((uint16_t*)(RAMSIZE - 8)))
+#define boot_reserved  (*((uint8_t*)(RAMSIZE - 6)))
+#define boot_app_flags (*((uint8_t*)(RAMSIZE - 5)))
+#define boot_app_magic (*((uint32_t*)(RAMSIZE - 4)))
+#define BOOT_APP_FLG_ERASE 0x01
+#define BOOT_APP_FLG_COPY  0x02
+#define BOOT_APP_FLG_FLASH 0x04
+
+#define BOOT_APP_FLG_USER0 0x80
+
+
+#if defined(__cplusplus)
+extern "C" {
+#endif //defined(__cplusplus)
+
+
+extern void bootapp_ram2flash(uint16_t rptr, uint16_t fptr, uint16_t size);
+
+
+#if defined(__cplusplus)
+}
+#endif //defined(__cplusplus)
+
+#endif //BOOTAPP_H
diff --git a/Firmware/language.c b/Firmware/language.c
index c51fc60e..1e2f3024 100644
--- a/Firmware/language.c
+++ b/Firmware/language.c
@@ -2,6 +2,7 @@
 #include "language.h"
 #include <inttypes.h>
 #include <avr/pgmspace.h>
+#include "bootapp.h"
 
 
 // Currectly active language selection.
@@ -93,3 +94,4 @@ const char* lang_get_name(unsigned char lang)
 }
 
 const char MSG_LANGUAGE_NAME[] PROGMEM_I1 = ISTR("English"); ////c=0 r=0
+
diff --git a/Firmware/language.h b/Firmware/language.h
index ec641334..b768bdb3 100644
--- a/Firmware/language.h
+++ b/Firmware/language.h
@@ -76,6 +76,7 @@ extern const char* lang_select(unsigned char lang);
 extern unsigned char lang_get_count();
 extern const char* lang_get_name(unsigned char lang);
 
+
 #if defined(__cplusplus)
 }
 #endif //defined(__cplusplus)
@@ -88,5 +89,5 @@ extern const char MSG_LANGUAGE_NAME[];
 #include "messages.h"
 
 
-#endif //__LANGUAGE_H
+#endif //LANGUAGE_H