diff --git a/cmd_parser.c b/cmd_parser.c
index e44be3c..ed7d159 100644
--- a/cmd_parser.c
+++ b/cmd_parser.c
@@ -692,6 +692,7 @@ void print_gpio_status(void) {
 void print_sw_version(void) __banked {
 	print_string("Software version: ");
 	print_string(VERSION_SW);
+	print_string("\nBuild: " __DATE__ " " __TIME__);
 	print_string("\nHardware: ");
 	print_string(machine.machine_name);
 	write_char('\n');
diff --git a/httpd/httpd.c b/httpd/httpd.c
index d4afc29..b9d6ead 100644
--- a/httpd/httpd.c
+++ b/httpd/httpd.c
@@ -296,11 +296,11 @@ uint8_t stream_upload(uint16_t bptr)
 			if (verify_crc) {
 				dbg_string("CRC16: "); dbg_short(crc_final); dbg_char('\n');
 				if (crc_final == 0xb001) {
-					dbg_string("Checksum OK.");
+					print_string("Checksum OK.");
 				} else {
-					dbg_string("Checksum incorrect!");
+					print_string("Checksum incorrect!");
 				}
-				dbg_string("Upload to flash done, will reset!\n");
+				print_string("\nUpload to flash done, will reset!\n");
 				reset_chip();
 			}
 			// Make sure there is a 0 at the end of the uploaded data
@@ -424,6 +424,7 @@ void handle_post(void)
 		p += 4; // Skip \r\n\r\n sequence at end of preamble of part
 
 		if (is_word(request_path, "upload")) {
+			print_string("Firmware upload started.");
 			uptr = FIRMWARE_UPLOAD_START;
 			verify_crc = 1;
 			max_upload = 1024576;
@@ -435,6 +436,9 @@ void handle_post(void)
 			flash_region.addr = CONFIG_START;
 			flash_sector_erase();
 		}
+		flash_init(0); // Re-initialize flash for non-DIO operation, otherwise flashing fails
+		set_sys_led_state(SYS_LED_FAST);
+
 		crc_value = 0;
 		bindex = 0;
 		write_len = 0;
@@ -514,6 +518,7 @@ void httpd_appcall(void)
 		// Check here maxupload by subtracting uip_len and close socekt if fails!
 		if (max_upload - uip_len > 0) {
 			stream_upload(0);
+			write_char('.');
 		} else {
 			send_bad_request();
 			goto do_send;
diff --git a/rtl837x_common.h b/rtl837x_common.h
index b51799a..0b0db2e 100644
--- a/rtl837x_common.h
+++ b/rtl837x_common.h
@@ -124,5 +124,6 @@ void get_random_32(void);
 void read_reg_timer(uint32_t * tmr);
 void sfp_print_info(uint8_t sfp);
 bool gpio_pin_test(uint8_t pin);
+void set_sys_led_state(uint8_t state);
 
 #endif
diff --git a/rtl837x_flash.c b/rtl837x_flash.c
index 3945bf9..00f7cb5 100644
--- a/rtl837x_flash.c
+++ b/rtl837x_flash.c
@@ -342,8 +342,8 @@ void flash_sector_erase(void)
 
 void flash_write_bytes(__xdata uint8_t *ptr)
 {
-	write_char('>'); print_long(flash_region.addr); write_char(':'); print_short(flash_region.len); write_char('-'); print_byte(*ptr); write_char('\n');
-		while(1) {
+	// write_char('\n'); write_char('>'); print_long(flash_region.addr); write_char(':'); print_short(flash_region.len); write_char('-'); print_byte(*ptr); // write_char('\n');
+	while(1) {
 		flash_write_enable();
 		SFR_FLASH_CMD = CMD_PAGE_PROGRAM;
 		SFR_FLASH_TCONF = 0x40 | 8 | 4; // Bytes written is 4, 8 enables write, 0x40 is unknown
@@ -369,7 +369,6 @@ void flash_write_bytes(__xdata uint8_t *ptr)
 		flash_region.len -= 4;
 		flash_region.addr += 4;
 	};
-
 	while (flash_read_status() & 0x1);
 	flash_configure_mmio();
 }
diff --git a/rtl837x_regs.h b/rtl837x_regs.h
index 1ebd6eb..9f38fa7 100644
--- a/rtl837x_regs.h
+++ b/rtl837x_regs.h
@@ -9,6 +9,11 @@
 #define RTL837X_REG_HW_CONF		0x6040
 // Bits 4 & 5: CLOCK DIVIDER from 125MHz for Timer
 
+#define SYS_LED_OFF	   0
+#define SYS_LED_FAST   1
+#define SYS_LED_SLOW   2
+#define SYS_LED_ON     3
+
 #define RTL837X_REG_LED_MODE		0x6520
 // Defines the LED Mode for steering the Port LEDS and the System LED
 // BIT 17 set: LED solid on
diff --git a/rtlplayground.c b/rtlplayground.c
index 5031f0e..041282f 100644
--- a/rtlplayground.c
+++ b/rtlplayground.c
@@ -1416,6 +1416,9 @@ void led_config_9xh(void)
 	sfr_mask_data(0, 0xe0, 0xa0);
 	reg_write_m(RTL837X_REG_LED_MODE);
 
+	// Set LED blink rate to slow during booting
+	set_sys_led_state(SYS_LED_SLOW);
+
 	// Disable RLDP (Realtek Loop Detection Protocol) LEDs on loop detection
 	reg_read_m(RTL837X_REG_LED_RLDP_1);
 	sfr_mask_data(0, 0, 0x3);
@@ -1442,6 +1445,12 @@ void led_config_9xh(void)
 	reg_write_m(RTL837X_REG_LED3_0_SET1);
 }
 
+void set_sys_led_state(uint8_t state)
+{
+	reg_read_m(RTL837X_REG_LED_MODE);
+	sfr_mask_data(2, 0x03, state);
+	reg_write_m(RTL837X_REG_LED_MODE);
+}
 
 void led_config(void)
 {
@@ -1848,7 +1857,10 @@ void bootloader(void)
 		__xdata uint16_t i = 0;
 		__xdata uint16_t j = 0;
 		__xdata uint8_t * __xdata bptr;
-		print_string("Identified update image. Checking integrity...\n");
+		print_string("Identified update image. Checking integrity...");
+
+		flash_init(0); // Re-initialize flash for non-DIO operation, otherwise flashing will fail
+		set_sys_led_state(SYS_LED_FAST);
 
 		crc_value = 0x0000;
 		for (i = 0; i < 1024; i++) {
@@ -1857,28 +1869,31 @@ void bootloader(void)
 			flash_read_bulk(flash_buf);
 			bptr = flash_buf;
 			for (j = 0; j < 0x200; j++) {
-				print_byte(*bptr); write_char(' ');
+			//	print_byte(*bptr); write_char(' ');
 				crc16(bptr++);
-				print_short(crc_value); write_char(':');
+			//	print_short(crc_value); write_char(':');
 			}
 			source += 0x200;
-			write_char('\n'); print_short(crc_value); write_char(' ');
+			// write_char('\n'); print_short(crc_value); write_char(' ');
+			if (i%16 == 0)
+				write_char('.');
 		}
 		if (crc_value == 0xb001) {
-			print_string("Checksum OK\n");
-			print_string("Update in progress, moving firmware to start of FLASH!\n");
+			print_string("\nChecksum OK\n");
+			print_string("Update in progress, moving firmware to start of FLASH.");
 			source = FIRMWARE_UPLOAD_START;
-			// A 512kByte = 4MBit Flash has 128*8=1024 512k blocks, we copy only 120
-			for (i = 0; i < 960; i++) {
-				print_string("Writing block: ");
-				print_short(dest);
+			// A 512kByte = 4MBit Flash has 128*8=1024 512byte blocks, we copy only 896 
+			// (don't overwrite config @ 0x700000)
+			for (i = 0; i < 896; i++) {
+				// print_string("Writing block: ");
+				// print_short(dest);
 				flash_region.addr = source;
 				flash_region.len = 0x200;
 				flash_read_bulk(flash_buf);
-				write_char('\n');
 				if (!(i & 0x7)) {
 					flash_region.addr = dest;
 					flash_sector_erase();
+					write_char('.');
 				}
 				flash_region.addr = dest;
 				flash_region.len = 0x200;
@@ -1886,7 +1901,7 @@ void bootloader(void)
 				dest += 0x200;
 				source += 0x200;
 			}
-			print_string("Deleting uploaded flash image\n");
+			print_string("\nDeleting uploaded flash image\n");
 			dest = FIRMWARE_UPLOAD_START;
 			for (register uint8_t i=0; i < 128; i++) {
 				flash_region.addr = dest;			
@@ -1907,6 +1922,8 @@ void bootloader(void)
 		}
 	}
 
+	set_sys_led_state(SYS_LED_SLOW);
+
 #ifdef DEBUG
 	// This register seems to work on the RTL8373 only if also the SDS
 	// Is correctly configured. Therefore, we can test it, here...
@@ -1952,6 +1969,8 @@ void bootloader(void)
 	print_string("\n> ");
 	idle_ready = 1;
 
+	set_sys_led_state(SYS_LED_ON);
+
 	// Wait for commands on serial connection
 	// sbuf_ptr is moved forward by serial interrupt, l is the position until we have already
 	// printed out the entered characters