diff --git a/payload_consumer/delta_performer.cc b/payload_consumer/delta_performer.cc
index a35b41d..3d567fa 100644
--- a/payload_consumer/delta_performer.cc
+++ b/payload_consumer/delta_performer.cc
@@ -1638,6 +1638,7 @@
     prefs->SetInt64(kPrefsManifestMetadataSize, -1);
     prefs->SetInt64(kPrefsManifestSignatureSize, -1);
     prefs->SetInt64(kPrefsResumedUpdateFailures, 0);
+    prefs->Delete(kPrefsPostInstallSucceeded);
   }
   return true;
 }
diff --git a/payload_consumer/install_plan.cc b/payload_consumer/install_plan.cc
index b0dff31..45112d6 100644
--- a/payload_consumer/install_plan.cc
+++ b/payload_consumer/install_plan.cc
@@ -87,7 +87,10 @@
             << ", url: " << download_url << payloads_str << partitions_str
             << ", hash_checks_mandatory: "
             << utils::ToString(hash_checks_mandatory)
-            << ", powerwash_required: " << utils::ToString(powerwash_required);
+            << ", powerwash_required: " << utils::ToString(powerwash_required)
+            << ", switch_slot_on_reboot: "
+            << utils::ToString(switch_slot_on_reboot)
+            << ", run_post_install: " << utils::ToString(run_post_install);
 }
 
 bool InstallPlan::LoadPartitionsFromSlots(BootControlInterface* boot_control) {
diff --git a/payload_consumer/install_plan.h b/payload_consumer/install_plan.h
index 551f8c2..5cdfbc1 100644
--- a/payload_consumer/install_plan.h
+++ b/payload_consumer/install_plan.h
@@ -119,6 +119,14 @@
   // False otherwise.
   bool powerwash_required{false};
 
+  // True if the updated slot should be marked active on success.
+  // False otherwise.
+  bool switch_slot_on_reboot{true};
+
+  // True if the update should run its post-install step.
+  // False otherwise.
+  bool run_post_install{true};
+
   // If not blank, a base-64 encoded representation of the PEM-encoded
   // public key in the response.
   std::string public_key_rsa;
diff --git a/payload_consumer/postinstall_runner_action.cc b/payload_consumer/postinstall_runner_action.cc
index 27a9ed6..cedecda 100644
--- a/payload_consumer/postinstall_runner_action.cc
+++ b/payload_consumer/postinstall_runner_action.cc
@@ -82,6 +82,11 @@
 }
 
 void PostinstallRunnerAction::PerformPartitionPostinstall() {
+  if (!install_plan_.run_post_install) {
+    LOG(INFO) << "Skipping post-install according to install plan.";
+    return CompletePostinstall(ErrorCode::kSuccess);
+  }
+
   if (install_plan_.download_url.empty()) {
     LOG(INFO) << "Skipping post-install during rollback";
     return CompletePostinstall(ErrorCode::kSuccess);
@@ -331,15 +336,21 @@
 void PostinstallRunnerAction::CompletePostinstall(ErrorCode error_code) {
   // We only attempt to mark the new slot as active if all the postinstall
   // steps succeeded.
-  if (error_code == ErrorCode::kSuccess &&
-      !boot_control_->SetActiveBootSlot(install_plan_.target_slot)) {
-    error_code = ErrorCode::kPostinstallRunnerError;
+  if (error_code == ErrorCode::kSuccess) {
+    if (install_plan_.switch_slot_on_reboot) {
+      if (!boot_control_->SetActiveBootSlot(install_plan_.target_slot)) {
+        error_code = ErrorCode::kPostinstallRunnerError;
+      }
+    } else {
+      error_code = ErrorCode::kUpdatedButNotActive;
+    }
   }
 
   ScopedActionCompleter completer(processor_, this);
   completer.set_code(error_code);
 
-  if (error_code != ErrorCode::kSuccess) {
+  if (error_code != ErrorCode::kSuccess &&
+      error_code != ErrorCode::kUpdatedButNotActive) {
     LOG(ERROR) << "Postinstall action failed.";
 
     // Undo any changes done to trigger Powerwash.