diff --git a/src/NFirmwareEditor/Definitions/RX200 3.03.xml b/src/NFirmwareEditor/Definitions/RX200 3.03.xml
new file mode 100644
index 0000000..426526b
--- /dev/null
+++ b/src/NFirmwareEditor/Definitions/RX200 3.03.xml	
@@ -0,0 +1,8 @@
+<FirmwareDefinition Name="RX200 3.03">
+  <Marker Offset="0x90" Bytes="0x85 0x21" />
+  <Marker Offset="0xC0" Bytes="0x69 0x69" />
+	<Marker Offset="0x1AB0" Bytes="0x2F 0x10" />
+  <ImageTable1 From="0x90F0" To="0x9384" />
+  <StringTable1 From="0x7FBC" To="0x8231" TwoBytesPerChar="true" />
+  <StringsPreviewCorrection ForGlyphs="0x42 0x39 0x4B" />
+</FirmwareDefinition>
\ No newline at end of file
diff --git a/src/NFirmwareEditor/Definitions/RX200 3.13.xml b/src/NFirmwareEditor/Definitions/RX200 3.13.xml
new file mode 100644
index 0000000..e3a6507
--- /dev/null
+++ b/src/NFirmwareEditor/Definitions/RX200 3.13.xml	
@@ -0,0 +1,8 @@
+<FirmwareDefinition Name="RX200 3.13">
+  <Marker Offset="0x90" Bytes="0x85 0x21" />
+  <Marker Offset="0xC0" Bytes="0x69 0x69" />
+	<Marker Offset="0x1AB0" Bytes="0x39 0x10" />
+  <ImageTable1 From="0x90F0" To="0x9384" />
+  <StringTable1 From="0x7FBC" To="0x8231" TwoBytesPerChar="true" />
+  <StringsPreviewCorrection ForGlyphs="0x42 0x39 0x4B" />
+</FirmwareDefinition>
\ No newline at end of file
diff --git a/src/NFirmwareEditor/Definitions/RX200S 4.03.xml b/src/NFirmwareEditor/Definitions/RX200S 4.03.xml
new file mode 100644
index 0000000..f753b32
--- /dev/null
+++ b/src/NFirmwareEditor/Definitions/RX200S 4.03.xml	
@@ -0,0 +1,9 @@
+<FirmwareDefinition Name="RX200S 4.03">
+  <Marker Offset="0x90" Bytes="0x85 0x22" />
+  <Marker Offset="0xC0" Bytes="0x35 0x76" />
+	<Marker Offset="0x1A88" Bytes="0x93 0x10" />
+  <ImageTable1 From="0xCE78" To="0xD27C" />
+  <ImageTable2 From="0xAE64" To="0xB268" />
+  <StringTable1 From="0xD380" To="0xD5F7" TwoBytesPerChar="true" />
+  <StringsPreviewCorrection ForGlyphs="0x88 0x91 0x9A" />
+</FirmwareDefinition>
\ No newline at end of file
diff --git a/src/NFirmwareEditor/Definitions/RX200S 4.13.xml b/src/NFirmwareEditor/Definitions/RX200S 4.13.xml
new file mode 100644
index 0000000..6599df4
--- /dev/null
+++ b/src/NFirmwareEditor/Definitions/RX200S 4.13.xml	
@@ -0,0 +1,9 @@
+<FirmwareDefinition Name="RX200S 4.13">
+  <Marker Offset="0x90" Bytes="0x85 0x22" />
+  <Marker Offset="0xC0" Bytes="0x35 0x76" />
+	<Marker Offset="0x1A88" Bytes="0x9D 0x10" />
+  <ImageTable1 From="0xCE78" To="0xD27C" />
+  <ImageTable2 From="0xAE64" To="0xB268" />
+  <StringTable1 From="0xD380" To="0xD5F7" TwoBytesPerChar="true" />
+  <StringsPreviewCorrection ForGlyphs="0x88 0x91 0x9A" />
+</FirmwareDefinition>
\ No newline at end of file
diff --git a/src/NFirmwareEditor/Definitions/RX23 4.03.xml b/src/NFirmwareEditor/Definitions/RX23 4.03.xml
new file mode 100644
index 0000000..eaf24d1
--- /dev/null
+++ b/src/NFirmwareEditor/Definitions/RX23 4.03.xml	
@@ -0,0 +1,9 @@
+<FirmwareDefinition Name="RX23 4.03">
+  <Marker Offset="0x90" Bytes="0x79 0x23" />
+  <Marker Offset="0xC0" Bytes="0x39 0x77" />
+	<Marker Offset="0xA30" Bytes="0x40 0xF2" />
+  <ImageTable1 From="0xCF7C" To="0xD380" />
+  <ImageTable2 From="0xAF68" To="0xB36C" />
+  <StringTable1 From="0xD484" To="0xD6FB" TwoBytesPerChar="true" />
+  <StringsPreviewCorrection ForGlyphs="0x88 0x91 0x9A" />
+</FirmwareDefinition>
\ No newline at end of file
diff --git a/src/NFirmwareEditor/Definitions/RX23 4.13.xml b/src/NFirmwareEditor/Definitions/RX23 4.13.xml
new file mode 100644
index 0000000..d3a93b3
--- /dev/null
+++ b/src/NFirmwareEditor/Definitions/RX23 4.13.xml	
@@ -0,0 +1,9 @@
+<FirmwareDefinition Name="RX23 4.13">
+  <Marker Offset="0x90" Bytes="0x79 0x23" />
+  <Marker Offset="0xC0" Bytes="0x39 0x77" />
+	<Marker Offset="0xA30" Bytes="0x4F 0xF4" />
+  <ImageTable1 From="0xCF7C" To="0xD380" />
+  <ImageTable2 From="0xAF68" To="0xB36C" />
+  <StringTable1 From="0xD484" To="0xD6FB" TwoBytesPerChar="true" />
+  <StringsPreviewCorrection ForGlyphs="0x88 0x91 0x9A" />
+</FirmwareDefinition>
\ No newline at end of file
diff --git a/src/NFirmwareEditor/Definitions/RX75 4.03.xml b/src/NFirmwareEditor/Definitions/RX75 4.03.xml
new file mode 100644
index 0000000..a4febe0
--- /dev/null
+++ b/src/NFirmwareEditor/Definitions/RX75 4.03.xml	
@@ -0,0 +1,8 @@
+<FirmwareDefinition Name="RX75 4.03">
+  <Marker Offset="0x90" Bytes="0xA1 0x1D" />
+  <Marker Offset="0xC0" Bytes="0x99 0x70" />
+  <ImageTable1 From="0xC8B8" To="0xCCBC" />
+  <ImageTable2 From="0xA8A4" To="0xACA8" />
+  <StringTable1 From="0xCDC0" To="0xCFCF" TwoBytesPerChar="true" />
+  <StringsPreviewCorrection ForGlyphs="0x88 0x91 0x9A" />
+</FirmwareDefinition>
\ No newline at end of file
diff --git a/src/NFirmwareEditor/NFirmwareEditor.csproj b/src/NFirmwareEditor/NFirmwareEditor.csproj
index f13af54..2fa87c6 100644
--- a/src/NFirmwareEditor/NFirmwareEditor.csproj
+++ b/src/NFirmwareEditor/NFirmwareEditor.csproj
@@ -1183,6 +1183,12 @@
     <Content Include="Definitions\Presa TC75W 3.00.xml">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
+    <Content Include="Definitions\RX200 3.03.xml">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+    <Content Include="Definitions\RX200 3.13.xml">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
     <Content Include="Definitions\RX200S 4.02.xml">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
@@ -1207,18 +1213,33 @@
     <Content Include="Definitions\RX200S 4.00.xml">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
+    <Content Include="Definitions\RX200S 4.03.xml">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
     <Content Include="Definitions\RX200S 4.10.xml">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
     <Content Include="Definitions\RX200S 4.12.xml">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
+    <Content Include="Definitions\RX200S 4.13.xml">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
     <Content Include="Definitions\RX23 4.02.xml">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
+    <Content Include="Definitions\RX23 4.03.xml">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
     <Content Include="Definitions\RX23 4.12.xml">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
+    <Content Include="Definitions\RX23 4.13.xml">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+    <Content Include="Definitions\RX75 4.03.xml">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
     <Content Include="Definitions\Vaporflask Classic 2.00.xml">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>