diff --git a/Config.h b/Config.h
index 35c7e52..bdfceac 100644
--- a/Config.h
+++ b/Config.h
@@ -71,6 +71,7 @@
 
 // Enable Nextion LCD serial port repeater on USART2 (ZUMspot Libre Kit and ZUMspot RPi):
 #define SERIAL_REPEATER
+#define SERIAL_REPEATER_BAUD 9600
 
 // Enable Nextion LCD serial port repeater on USART1 (Do not use with STM32_USART1_HOST enabled):
 // #define SERIAL_REPEATER_USART1
diff --git a/Makefile b/Makefile
index a5e5a36..abbbe32 100644
--- a/Makefile
+++ b/Makefile
@@ -421,46 +421,46 @@ stlink-bl-old:
 	$(ST_FLASH) write bin/$(BINBIN_F1BL) 0x8002000
 
 serial:
-	$(STM32FLASH) -b 115200 -v -w bin/$(BINBIN_F1) -g 0x0 $(devser)
+	$(STM32FLASH) -v -w bin/$(BINBIN_F1) -g 0x0 $(devser)
 
 serial-nobl:
-	$(STM32FLASH) -b 115200 -v -w bin/$(BINBIN_F1NOBL) -g 0x0 $(devser)
+	$(STM32FLASH) -v -w bin/$(BINBIN_F1NOBL) -g 0x0 $(devser)
 
 serial-bl:
-	$(STM32FLASH) -b 115200 -v -w $(F1_LIB_PATH)/utils/bootloader/generic_boot20_pc13_long_rst.bin -g 0x0 $(devser)
+	$(STM32FLASH) -v -w $(F1_LIB_PATH)/utils/bootloader/generic_boot20_pc13_long_rst.bin -g 0x0 $(devser)
 	sleep 3
-	$(STM32FLASH) -b 115200 -v -w bin/$(BINBIN_F1BL) -g 0x0 -S 0x08002000 $(devser)
+	$(STM32FLASH) -v -w bin/$(BINBIN_F1BL) -g 0x0 -S 0x08002000 $(devser)
 
 serial-bl-old:
-	$(STM32FLASH) -b 115200 -v -w $(F1_LIB_PATH)/utils/bootloader/generic_boot20_pc13.bin -g 0x0 $(devser)
+	$(STM32FLASH) -v -w $(F1_LIB_PATH)/utils/bootloader/generic_boot20_pc13.bin -g 0x0 $(devser)
 	sleep 3
-	$(STM32FLASH) -b 115200 -v -w bin/$(BINBIN_F1BL) -g 0x0 -S 0x08002000 $(devser)
+	$(STM32FLASH) -v -w bin/$(BINBIN_F1BL) -g 0x0 -S 0x08002000 $(devser)
 
 nano-hotspot:
 ifneq ($(wildcard /usr/local/bin/stm32flash),)
-	/usr/local/bin/stm32flash -b 115200 -v -w bin/$(BINBIN_F1) -g 0x0 -R -i 200,-3,3:-200,3 /dev/ttyAMA0
+	/usr/local/bin/stm32flash -v -w bin/$(BINBIN_F1) -g 0x0 -R -i 200,-3,3:-200,3 /dev/ttyAMA0
 endif
 
 ifneq ($(wildcard /usr/bin/stm32flash),)
-	/usr/bin/stm32flash -b 115200 -v -w bin/$(BINBIN_F1) -g 0x0 -R -i 200,-3,3:-200,3 /dev/ttyAMA0
+	/usr/bin/stm32flash -v -w bin/$(BINBIN_F1) -g 0x0 -R -i 200,-3,3:-200,3 /dev/ttyAMA0
 endif
 
 nano-dv:
 ifneq ($(wildcard /usr/local/bin/stm32flash),)
-	/usr/local/bin/stm32flash -b 115200 -v -w bin/$(BINBIN_F1) -g 0x0 -R -i 66,-67,67:-66,67 /dev/ttyAMA0
+	/usr/local/bin/stm32flash -v -w bin/$(BINBIN_F1) -g 0x0 -R -i 66,-67,67:-66,67 /dev/ttyAMA0
 endif
 
 ifneq ($(wildcard /usr/bin/stm32flash),)
-	/usr/bin/stm32flash -b 115200 -v -w bin/$(BINBIN_F1) -g 0x0 -R -i 66,-67,67:-66,67 /dev/ttyAMA0
+	/usr/bin/stm32flash -v -w bin/$(BINBIN_F1) -g 0x0 -R -i 66,-67,67:-66,67 /dev/ttyAMA0
 endif
 
 zumspot-pi:
 ifneq ($(wildcard /usr/local/bin/stm32flash),)
-	/usr/local/bin/stm32flash -b 115200 -v -w bin/$(BINBIN_F1) -g 0x0 -R -i 20,-21,21:-20,21 /dev/ttyAMA0
+	/usr/local/bin/stm32flash -v -w bin/$(BINBIN_F1) -g 0x0 -R -i 20,-21,21:-20,21 /dev/ttyAMA0
 endif
 
 ifneq ($(wildcard /usr/bin/stm32flash),)
-	/usr/bin/stm32flash -b 115200 -v -w bin/$(BINBIN_F1) -g 0x0 -R -i 20,-21,21:-20,21 /dev/ttyAMA0
+	/usr/bin/stm32flash -v -w bin/$(BINBIN_F1) -g 0x0 -R -i 20,-21,21:-20,21 /dev/ttyAMA0
 endif
 
 mmdvm_hs_hat: zumspot-pi
diff --git a/configs/MMDVM_HS_Dual_Hat-12mhz.h b/configs/MMDVM_HS_Dual_Hat-12mhz.h
index 0c9eb94..794cba9 100644
--- a/configs/MMDVM_HS_Dual_Hat-12mhz.h
+++ b/configs/MMDVM_HS_Dual_Hat-12mhz.h
@@ -71,7 +71,7 @@
 
 // Enable Nextion LCD serial port repeater on USART2 (ZUMspot Libre Kit and ZUMspot RPi):
 #define SERIAL_REPEATER
-#define SERIAL_REPEATER_BAUD 115200
+#define SERIAL_REPEATER_BAUD 9600
 
 // Enable Nextion LCD serial port repeater on USART1 (Do not use with STM32_USART1_HOST enabled):
 // #define SERIAL_REPEATER_USART1
diff --git a/configs/MMDVM_HS_Dual_Hat.h b/configs/MMDVM_HS_Dual_Hat.h
index 9962883..a8f5156 100644
--- a/configs/MMDVM_HS_Dual_Hat.h
+++ b/configs/MMDVM_HS_Dual_Hat.h
@@ -71,7 +71,7 @@
 
 // Enable Nextion LCD serial port repeater on USART2 (ZUMspot Libre Kit and ZUMspot RPi):
 #define SERIAL_REPEATER
-#define SERIAL_REPEATER_BAUD 115200
+#define SERIAL_REPEATER_BAUD 9600
 
 // Enable Nextion LCD serial port repeater on USART1 (Do not use with STM32_USART1_HOST enabled):
 // #define SERIAL_REPEATER_USART1
diff --git a/configs/MMDVM_HS_Hat-12mhz.h b/configs/MMDVM_HS_Hat-12mhz.h
index 4c47dfb..04d3390 100644
--- a/configs/MMDVM_HS_Hat-12mhz.h
+++ b/configs/MMDVM_HS_Hat-12mhz.h
@@ -71,7 +71,7 @@
 
 // Enable Nextion LCD serial port repeater on USART2 (ZUMspot Libre Kit and ZUMspot RPi):
 #define SERIAL_REPEATER
-#define SERIAL_REPEATER_BAUD 115200
+#define SERIAL_REPEATER_BAUD 9600
 
 // Enable Nextion LCD serial port repeater on USART1 (Do not use with STM32_USART1_HOST enabled):
 // #define SERIAL_REPEATER_USART1
diff --git a/configs/MMDVM_HS_Hat.h b/configs/MMDVM_HS_Hat.h
index f0234a0..b53e98b 100644
--- a/configs/MMDVM_HS_Hat.h
+++ b/configs/MMDVM_HS_Hat.h
@@ -71,7 +71,7 @@
 
 // Enable Nextion LCD serial port repeater on USART2 (ZUMspot Libre Kit and ZUMspot RPi):
 #define SERIAL_REPEATER
-#define SERIAL_REPEATER_BAUD 115200
+#define SERIAL_REPEATER_BAUD 9600
 
 // Enable Nextion LCD serial port repeater on USART1 (Do not use with STM32_USART1_HOST enabled):
 // #define SERIAL_REPEATER_USART1
diff --git a/configs/NanoDV_NPI.h b/configs/NanoDV_NPI.h
index 24560ff..ee95a38 100644
--- a/configs/NanoDV_NPI.h
+++ b/configs/NanoDV_NPI.h
@@ -71,7 +71,7 @@
 
 // Enable Nextion LCD serial port repeater on USART2 (ZUMspot Libre Kit and ZUMspot RPi):
 #define SERIAL_REPEATER
-#define SERIAL_REPEATER_BAUD 115200
+#define SERIAL_REPEATER_BAUD 9600
 
 // Enable Nextion LCD serial port repeater on USART1 (Do not use with STM32_USART1_HOST enabled):
 // #define SERIAL_REPEATER_USART1
diff --git a/configs/NanoDV_USB.h b/configs/NanoDV_USB.h
index a9f99b3..375f016 100644
--- a/configs/NanoDV_USB.h
+++ b/configs/NanoDV_USB.h
@@ -71,7 +71,7 @@
 
 // Enable Nextion LCD serial port repeater on USART2 (ZUMspot Libre Kit and ZUMspot RPi):
 #define SERIAL_REPEATER
-#define SERIAL_REPEATER_BAUD 115200
+#define SERIAL_REPEATER_BAUD 9600
 
 // Enable Nextion LCD serial port repeater on USART1 (Do not use with STM32_USART1_HOST enabled):
 // #define SERIAL_REPEATER_USART1
diff --git a/configs/Nano_hotSPOT.h b/configs/Nano_hotSPOT.h
index dec34f5..372d11e 100644
--- a/configs/Nano_hotSPOT.h
+++ b/configs/Nano_hotSPOT.h
@@ -71,7 +71,7 @@
 
 // Enable Nextion LCD serial port repeater on USART2 (ZUMspot Libre Kit and ZUMspot RPi):
 #define SERIAL_REPEATER
-#define SERIAL_REPEATER_BAUD 115200
+#define SERIAL_REPEATER_BAUD 9600
 
 // Enable Nextion LCD serial port repeater on USART1 (Do not use with STM32_USART1_HOST enabled):
 // #define SERIAL_REPEATER_USART1
diff --git a/configs/ZUMspot_Libre.h b/configs/ZUMspot_Libre.h
index 9dfa893..bd380e4 100644
--- a/configs/ZUMspot_Libre.h
+++ b/configs/ZUMspot_Libre.h
@@ -71,7 +71,7 @@
 
 // Enable Nextion LCD serial port repeater on USART2 (ZUMspot Libre Kit and ZUMspot RPi):
 #define SERIAL_REPEATER
-#define SERIAL_REPEATER_BAUD 115200
+#define SERIAL_REPEATER_BAUD 9600
 
 // Enable Nextion LCD serial port repeater on USART1 (Do not use with STM32_USART1_HOST enabled):
 // #define SERIAL_REPEATER_USART1
diff --git a/configs/ZUMspot_RPi.h b/configs/ZUMspot_RPi.h
index aa52621..f9a1673 100644
--- a/configs/ZUMspot_RPi.h
+++ b/configs/ZUMspot_RPi.h
@@ -71,7 +71,7 @@
 
 // Enable Nextion LCD serial port repeater on USART2 (ZUMspot Libre Kit and ZUMspot RPi):
 #define SERIAL_REPEATER
-#define SERIAL_REPEATER_BAUD 115200
+#define SERIAL_REPEATER_BAUD 9600
 
 // Enable Nextion LCD serial port repeater on USART1 (Do not use with STM32_USART1_HOST enabled):
 // #define SERIAL_REPEATER_USART1
diff --git a/configs/ZUMspot_duplex.h b/configs/ZUMspot_duplex.h
index 73ba1e1..9270598 100644
--- a/configs/ZUMspot_duplex.h
+++ b/configs/ZUMspot_duplex.h
@@ -71,7 +71,7 @@
 
 // Enable Nextion LCD serial port repeater on USART2 (ZUMspot Libre Kit and ZUMspot RPi):
 #define SERIAL_REPEATER
-#define SERIAL_REPEATER_BAUD 115200
+#define SERIAL_REPEATER_BAUD 9600
 
 // Enable Nextion LCD serial port repeater on USART1 (Do not use with STM32_USART1_HOST enabled):
 // #define SERIAL_REPEATER_USART1
diff --git a/configs/generic_duplex_gpio.h b/configs/generic_duplex_gpio.h
index 70743ba..3d4399d 100644
--- a/configs/generic_duplex_gpio.h
+++ b/configs/generic_duplex_gpio.h
@@ -71,7 +71,7 @@
 
 // Enable Nextion LCD serial port repeater on USART2 (ZUMspot Libre Kit and ZUMspot RPi):
 #define SERIAL_REPEATER
-#define SERIAL_REPEATER_BAUD 115200
+#define SERIAL_REPEATER_BAUD 9600
 
 // Enable Nextion LCD serial port repeater on USART1 (Do not use with STM32_USART1_HOST enabled):
 // #define SERIAL_REPEATER_USART1
diff --git a/configs/generic_gpio.h b/configs/generic_gpio.h
index a83895f..d3059b2 100644
--- a/configs/generic_gpio.h
+++ b/configs/generic_gpio.h
@@ -71,7 +71,7 @@
 
 // Enable Nextion LCD serial port repeater on USART2 (ZUMspot Libre Kit and ZUMspot RPi):
 #define SERIAL_REPEATER
-#define SERIAL_REPEATER_BAUD 115200
+#define SERIAL_REPEATER_BAUD 9600
 
 // Enable Nextion LCD serial port repeater on USART1 (Do not use with STM32_USART1_HOST enabled):
 // #define SERIAL_REPEATER_USART1