diff --git a/android/variable.go b/android/variable.go
index aace6ed..4e1df3c 100644
--- a/android/variable.go
+++ b/android/variable.go
@@ -666,6 +666,7 @@
 	AbOtaUpdater                      bool                                     `json:",omitempty"`
 	AbOtaPartitions                   []string                                 `json:",omitempty"`
 	AbOtaKeys                         []string                                 `json:",omitempty"`
+	AbOtaPostInstallConfig            []string                                 `json:",omitempty"`
 
 	// Avb (android verified boot) stuff
 	BoardAvbEnable          bool                                `json:",omitempty"`
diff --git a/filesystem/android_device.go b/filesystem/android_device.go
index eb967ad..62c8658 100644
--- a/filesystem/android_device.go
+++ b/filesystem/android_device.go
@@ -70,9 +70,10 @@
 	// blueprint:"mutated" and still set it from filesystem_creator
 	Main_device *bool
 
-	Ab_ota_updater    *bool
-	Ab_ota_partitions []string
-	Ab_ota_keys       []string
+	Ab_ota_updater            *bool
+	Ab_ota_partitions         []string
+	Ab_ota_keys               []string
+	Ab_ota_postinstall_config []string
 }
 
 type androidDevice struct {
@@ -454,6 +455,9 @@
 		abOtaKeysSorted := android.SortedUniqueStrings(a.deviceProps.Ab_ota_keys)
 		abOtaKeysSortedString := proptools.ShellEscape(strings.Join(abOtaKeysSorted, "\\n"))
 		builder.Command().Textf("echo -e").Flag(abOtaKeysSortedString).Textf(" > %s/META/otakeys.txt", targetFilesDir.String())
+		// postinstall_config.txt
+		abOtaPostInstallConfigString := proptools.ShellEscape(strings.Join(a.deviceProps.Ab_ota_postinstall_config, "\\n"))
+		builder.Command().Textf("echo -e").Flag(abOtaPostInstallConfigString).Textf(" > %s/META/postinstall_config.txt", targetFilesDir.String())
 		// selinuxfc
 		if a.getFsInfos(ctx)["system"].SelinuxFc != nil {
 			builder.Command().Textf("cp").Input(a.getFsInfos(ctx)["system"].SelinuxFc).Textf(" %s/META/file_contexts.bin", targetFilesDir.String())
diff --git a/fsgen/filesystem_creator.go b/fsgen/filesystem_creator.go
index 9217e1c..e9626a2 100644
--- a/fsgen/filesystem_creator.go
+++ b/fsgen/filesystem_creator.go
@@ -381,9 +381,10 @@
 	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,
+		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,
 	}
 	if bootloader, ok := f.createBootloaderFilegroup(ctx); ok {
 		deviceProps.Bootloader = proptools.StringPtr(":" + bootloader)