diff --git a/BIOS/T430.FL1 b/BIOS/T430.FL1
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index 0000000..2e3378d
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diff --git a/BIOS/T430s.FL1 b/BIOS/T430s.FL1
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index 0000000..c5e633c
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diff --git a/BIOS/T530.FL1 b/BIOS/T530.FL1
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index 0000000..b225c47
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diff --git a/BIOS/W530.FL1 b/BIOS/W530.FL1
new file mode 100644
index 0000000..843c016
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diff --git a/BIOS/WinFlash64.exe b/BIOS/WinFlash64.exe
new file mode 100644
index 0000000..dcb95e9
Binary files /dev/null and b/BIOS/WinFlash64.exe differ
diff --git a/BIOS/X230.FL1 b/BIOS/X230.FL1
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index 0000000..5a70237
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diff --git a/downgrade.bat b/downgrade.bat
new file mode 100644
index 0000000..bb197bc
--- /dev/null
+++ b/downgrade.bat
@@ -0,0 +1,27 @@
+@echo off
+cls
+set model=none
+echo.
+echo 8888888 888     888                                    
+echo   888   888     888                                    
+echo   888   888     888                                    
+echo   888   Y88b   d88P 88888b.  888d888  .d88b.  88888b.  
+echo   888    Y88b d88P  888 "88b 888P"   d8P  Y8b 888 "88b 
+echo   888     Y88o88P   888  888 888     88888888 888  888 
+echo   888      Y888P    888 d88P 888     Y8b.     888 d88P 
+echo 8888888     Y8P     88888P"  888      "Y8888  88888P"  
+echo                     888                       888      
+echo                     888                       888      
+echo                     888                       888      
+echo.
+echo Press Enter to downgrade your ThinkPad to an 1vyrain compatible BIOS version.
+pause>nul
+for /f "tokens=1 delims==" %%f in ('wmic csproduct get version ^| findstr /R ThinkPad') do set "model=%%f"
+cd BIOS
+if "%model%"=="ThinkPad W530  " winflash64 /sd /file W530.FL1
+if "%model%"=="ThinkPad T530  " winflash64 /sd /file T530.FL1
+if "%model%"=="ThinkPad X230  " winflash64 /sd /file X230.FL1
+if "%model%"=="ThinkPad T430  " winflash64 /sd /file T430.FL1
+if "%model%"=="ThinkPad T430s  " winflash64 /sd /file T430s.FL1
+if "%model%"=="none" echo No compatible model detected. Exiting.
+pause>nul
\ No newline at end of file