diff --git a/android/variable.go b/android/variable.go
index c59857a..7eb08a0 100644
--- a/android/variable.go
+++ b/android/variable.go
@@ -721,6 +721,10 @@
 
 	ReleaseToolsExtensionDir string `json:",omitempty"`
 
+	BoardPartialOtaUpdatePartitionsList []string `json:",omitempty"`
+	BoardFlashBlockSize                 string   `json:",omitempty"`
+	BootloaderInUpdatePackage           bool     `json:",omitempty"`
+
 	BoardFastbootInfoFile string `json:",omitempty"`
 }
 
diff --git a/filesystem/android_device.go b/filesystem/android_device.go
index 18276d4..8af0fdf 100644
--- a/filesystem/android_device.go
+++ b/filesystem/android_device.go
@@ -90,6 +90,10 @@
 	Releasetools_extension *string `android:"path"`
 	FastbootInfo           *string `android:"path"`
 
+	Partial_ota_update_partitions []string
+	Flash_block_size              *string
+	Bootloader_in_update_package  *bool
+
 	// The kernel version in the build. Will be verified against the actual kernel.
 	// If not provided, will attempt to extract it from the loose kernel or the kernel inside
 	// the boot image. The version is later used to decide whether or not to enable uffd_gc
@@ -894,6 +898,14 @@
 		builder.Command().Text("cat").Input(bootImgInfo.PropFileForMiscInfo).Textf(" >> %s", miscInfo)
 	}
 
+	builder.Command().Textf("echo blocksize=%s >> %s", proptools.String(a.deviceProps.Flash_block_size), miscInfo)
+	if proptools.Bool(a.deviceProps.Bootloader_in_update_package) {
+		builder.Command().Textf("echo bootloader_in_update_package=true >> %s", miscInfo)
+	}
+	if len(a.deviceProps.Partial_ota_update_partitions) > 0 {
+		builder.Command().Textf("echo partial_ota_update_partitions_list=%s >> %s", strings.Join(a.deviceProps.Partial_ota_update_partitions, " "), miscInfo)
+	}
+
 	// Sort and dedup
 	builder.Command().Textf("sort -u %s -o %s", miscInfo, miscInfo)
 
diff --git a/fsgen/filesystem_creator.go b/fsgen/filesystem_creator.go
index b73fb21..14aa062 100644
--- a/fsgen/filesystem_creator.go
+++ b/fsgen/filesystem_creator.go
@@ -419,13 +419,16 @@
 	partitionProps.Vbmeta_partitions = vbmetaPartitions
 
 	deviceProps := &filesystem.DeviceProperties{
-		Main_device:               proptools.BoolPtr(true),
-		Ab_ota_updater:            proptools.BoolPtr(ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse.AbOtaUpdater),
-		Ab_ota_partitions:         ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse.AbOtaPartitions,
-		Ab_ota_postinstall_config: ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse.AbOtaPostInstallConfig,
-		Ramdisk_node_list:         proptools.StringPtr(":ramdisk_node_list"),
-		Android_info:              proptools.StringPtr(":" + generatedModuleName(ctx.Config(), "android_info.prop{.txt}")),
-		Kernel_version:            ctx.Config().ProductVariables().BoardKernelVersion,
+		Main_device:                   proptools.BoolPtr(true),
+		Ab_ota_updater:                proptools.BoolPtr(ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse.AbOtaUpdater),
+		Ab_ota_partitions:             ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse.AbOtaPartitions,
+		Ab_ota_postinstall_config:     ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse.AbOtaPostInstallConfig,
+		Ramdisk_node_list:             proptools.StringPtr(":ramdisk_node_list"),
+		Android_info:                  proptools.StringPtr(":" + generatedModuleName(ctx.Config(), "android_info.prop{.txt}")),
+		Kernel_version:                ctx.Config().ProductVariables().BoardKernelVersion,
+		Partial_ota_update_partitions: ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse.BoardPartialOtaUpdatePartitionsList,
+		Flash_block_size:              proptools.StringPtr(ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse.BoardFlashBlockSize),
+		Bootloader_in_update_package:  proptools.BoolPtr(ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse.BootloaderInUpdatePackage),
 	}
 
 	if bootloader, ok := f.createBootloaderFilegroup(ctx); ok {