diff --git a/package/msposd/0001-wifilink-mspvtx-read-only.patch b/package/msposd/0001-wifilink-mspvtx-read-only.patch
index fe79aad..96441df 100644
--- a/package/msposd/0001-wifilink-mspvtx-read-only.patch
+++ b/package/msposd/0001-wifilink-mspvtx-read-only.patch
@@ -58,10 +58,43 @@ index a8b756e..eefb4d6 100644
  	}
  
 diff --git a/osd/msp/msp.c b/osd/msp/msp.c
-index b1a538c..bdb443e 100644
+index b1a538c..bb8c44e 100644
 --- a/osd/msp/msp.c
 +++ b/osd/msp/msp.c
-@@ -144,22 +144,26 @@ void setVtxTablePowerLevel(int serial_fd, uint8_t idx) {
+@@ -69,7 +69,7 @@ void wipeVtxTable(int serial_fd, int band, int channel) {
+ 	uint8_t buffer[256];
+ 
+ 	construct_msp_command(buffer, MSP_SET_VTX_CONFIG, payload, sizeof(payload), MSP_OUTBOUND);
+-	write(serial_fd, &buffer, sizeof(buffer));
++	write(serial_fd, buffer, sizeof(payload) + 6);
+ 
+ 	// now prepare the table
+ 	payload[0] = 0;					// idx LSB
+@@ -89,7 +89,7 @@ void wipeVtxTable(int serial_fd, int band, int channel) {
+ 	payload[14] = 0;				// vtxtable should be cleared
+ 
+ 	construct_msp_command(buffer, MSP_SET_VTX_CONFIG, payload, sizeof(payload), MSP_OUTBOUND);
+-	write(serial_fd, &buffer, sizeof(buffer));
++	write(serial_fd, buffer, sizeof(payload) + 6);
+ }
+ 
+ void setVtxTableBand(int serial_fd, uint8_t band) {
+@@ -119,7 +119,7 @@ void setVtxTableBand(int serial_fd, uint8_t band) {
+ 	}
+ 
+ 	construct_msp_command(buffer, MSP_SET_VTXTABLE_BAND, payload2, sizeof(payload2), MSP_OUTBOUND);
+-	write(serial_fd, &buffer, sizeof(buffer));
++	write(serial_fd, buffer, sizeof(payload2) + 6);
+ }
+ 
+ void setVtxTablePowerLevel(int serial_fd, uint8_t idx) {
+@@ -139,27 +139,31 @@ void setVtxTablePowerLevel(int serial_fd, uint8_t idx) {
+ 
+ 	construct_msp_command(
+ 		buffer, MSP_SET_VTXTABLE_POWERLEVEL, payload2, sizeof(payload2), MSP_OUTBOUND);
+-	write(serial_fd, &buffer, sizeof(buffer));
++	write(serial_fd, buffer, sizeof(payload2) + 6);
+ }
  
  void msp_set_vtx_config(int serial_fd) {
  
@@ -95,6 +128,24 @@ index b1a538c..bdb443e 100644
  		}
  	}
  
+diff --git a/osd/msp/msp.h b/osd/msp/msp.h
+index 3e60a31..772aaed 100644
+--- a/osd/msp/msp.h
++++ b/osd/msp/msp.h
+@@ -40,10 +40,10 @@
+ 	  // wfb-ng list
+ 
+ #define CHANNEL_COUNT 8
+-#define BAND_COUNT 8
++#define BAND_COUNT 7
+ #define IS_FACTORY_BAND 0
+-#define FREQ_TABLE_SIZE 64
+-#define FREQ_LABEL_SIZE 64
++#define FREQ_TABLE_SIZE 56
++#define FREQ_LABEL_SIZE 56
+ 
+ #define MSP_REBOOT 68 // in message reboot settings
+ 
 diff --git a/osd/util/interface.c b/osd/util/interface.c
 index 089fdc2..49d60fc 100644
 --- a/osd/util/interface.c