diff --git a/sdm845Pkg/Binary b/sdm845Pkg/Binary
index 38c7c37..82296a9 160000
--- a/sdm845Pkg/Binary
+++ b/sdm845Pkg/Binary
@@ -1 +1 @@
-Subproject commit 38c7c37133d5d2c2117c5b674379f44920ec7ed3
+Subproject commit 82296a90c9296f1686d87f9fe33409c34faff91c
diff --git a/sdm845Pkg/Devices/polaris-8g.dsc b/sdm845Pkg/Devices/polaris-8g.dsc
index 2346f07..4301f38 100644
--- a/sdm845Pkg/Devices/polaris-8g.dsc
+++ b/sdm845Pkg/Devices/polaris-8g.dsc
@@ -12,7 +12,7 @@
 !include sdm845Pkg/sdm845Pkg.dsc
 
 [BuildOptions.common]
-  GCC:*_*_AARCH64_CC_FLAGS = -DXIAOMI_PIL_FIXED=1 -DMEMORY_8G=1 -DDISPLAY_DPI=440 -DENABLE_SIMPLE_INIT
+  GCC:*_*_AARCH64_CC_FLAGS = -DXIAOMI_PIL_FIXED=1 -DMEMORY_8G=1 -DDISPLAY_DPI=440 -DENABLE_SIMPLE_INIT -DBUILTIN_LINUX_TEST=1
 
 [PcdsFixedAtBuild.common]
   # System Memory (7GB)
diff --git a/sdm845Pkg/Devices/polaris.dsc b/sdm845Pkg/Devices/polaris.dsc
index 233bc77..54f08db 100644
--- a/sdm845Pkg/Devices/polaris.dsc
+++ b/sdm845Pkg/Devices/polaris.dsc
@@ -12,7 +12,7 @@
 !include sdm845Pkg/sdm845Pkg.dsc
 
 [BuildOptions.common]
-  GCC:*_*_AARCH64_CC_FLAGS = -DXIAOMI_PIL_FIXED=1 -DDISPLAY_DPI=440 -DENABLE_SIMPLE_INIT
+  GCC:*_*_AARCH64_CC_FLAGS = -DXIAOMI_PIL_FIXED=1 -DDISPLAY_DPI=440 -DENABLE_SIMPLE_INIT -DBUILTIN_LINUX_TEST=1
 
 [PcdsFixedAtBuild.common]
   # System Memory (5GB)
diff --git a/sdm845Pkg/Devices/polaris.fdf b/sdm845Pkg/Devices/polaris.fdf
index 0e03239..2524c05 100644
--- a/sdm845Pkg/Devices/polaris.fdf
+++ b/sdm845Pkg/Devices/polaris.fdf
@@ -562,6 +562,7 @@ APRIORI DXE {
 !endif #$(INCLUDE_TFTP_COMMAND)
 
   INF sdm845Pkg/Binary/845/UsbfnMsdApp/UsbfnMsdApp.inf
+  INF sdm845Pkg/Binary/845/BuiltinLinuxKrl/BuiltinLinuxKrl.inf
 
   #
   # Bds
diff --git a/sdm845Pkg/Library/PlatformBootManagerLib/PlatformBm.c b/sdm845Pkg/Library/PlatformBootManagerLib/PlatformBm.c
index baf8c91..60b85a1 100644
--- a/sdm845Pkg/Library/PlatformBootManagerLib/PlatformBm.c
+++ b/sdm845Pkg/Library/PlatformBootManagerLib/PlatformBm.c
@@ -683,10 +683,18 @@ VOID EFIAPI PlatformBootManagerAfterConsole(VOID)
       &gUefiShellFileGuid, L"UEFI Shell", LOAD_OPTION_ACTIVE);
 
   //
-  // Register Mass Storage App
+  // Register Qualcomm Mass Storage App
   //
   PlatformRegisterFvBootOption(
-      &gUsbfnMsdAppFileGuid, L"Mass Storage", LOAD_OPTION_ACTIVE);
+      &gUsbfnMsdAppFileGuid, L"UEFI Mass Storage", LOAD_OPTION_ACTIVE);
+
+#ifdef BUILTIN_LINUX_TEST
+  //
+  // Register Built-in Linux Kernel
+  //
+  PlatformRegisterFvBootOption(
+      &gBuiltinLinuxKrlFileGuid, L"Linux Mass Storage", LOAD_OPTION_ACTIVE);
+#endif
 
 #ifdef AB_SLOTS_SUPPORT
   //
diff --git a/sdm845Pkg/Library/PlatformBootManagerLib/PlatformBootManagerLib.inf b/sdm845Pkg/Library/PlatformBootManagerLib/PlatformBootManagerLib.inf
index c67d83f..7fdfd80 100644
--- a/sdm845Pkg/Library/PlatformBootManagerLib/PlatformBootManagerLib.inf
+++ b/sdm845Pkg/Library/PlatformBootManagerLib/PlatformBootManagerLib.inf
@@ -78,6 +78,7 @@
   gEfiTtyTermGuid
   gUefiShellFileGuid
   gUsbfnMsdAppFileGuid
+  gBuiltinLinuxKrlFileGuid
   gSwitchSlotsAppFileGuid
   gSimpleInitFileGuid
 
diff --git a/sdm845Pkg/sdm845Pkg.dec b/sdm845Pkg/sdm845Pkg.dec
index 3fca7ee..ff95c44 100644
--- a/sdm845Pkg/sdm845Pkg.dec
+++ b/sdm845Pkg/sdm845Pkg.dec
@@ -48,6 +48,7 @@
   gUsbfnMsdAppFileGuid                = { 0x1C207232, 0x4086, 0x9BE7, { 0xDB, 0x16, 0x15, 0x9D, 0x66, 0xAB, 0x46, 0x6A } }
   gSwitchSlotsAppFileGuid             = { 0xD5BC0FB1, 0xA833, 0x4607, { 0xB7, 0xB6, 0x5E, 0xF9, 0xD1, 0x0B, 0xEE, 0xB7 } }
   gSimpleInitFileGuid                 = { 0x6D77B2BB, 0x69EB, 0x42AB, { 0xBE, 0xCF, 0x4F, 0x40, 0xC8, 0x95, 0x68, 0xC3 } }
+  gBuiltinLinuxKrlFileGuid            = { 0x2a24787e, 0xe09c, 0x43ce, { 0xb5, 0xcf, 0xd0, 0x30, 0x66, 0xf6, 0x09, 0x2f } }
 
 [PcdsFixedAtBuild.common]
   # Simple FrameBuffer
diff --git a/sdm845Pkg/sdm845Pkg.dsc b/sdm845Pkg/sdm845Pkg.dsc
index a549f45..2e38eab 100644
--- a/sdm845Pkg/sdm845Pkg.dsc
+++ b/sdm845Pkg/sdm845Pkg.dsc
@@ -344,3 +344,4 @@
 
 
   sdm845Pkg/Binary/845/UsbfnMsdApp/UsbfnMsdApp.inf
+  sdm845Pkg/Binary/845/BuiltinLinuxKrl/BuiltinLinuxKrl.inf