diff --git a/source/install.c b/source/install.c
index 8022b15..5510805 100644
--- a/source/install.c
+++ b/source/install.c
@@ -764,7 +764,7 @@ int perform_installation(omninx_variant_t pack_variant, install_mode_t mode) {
         install_set_color(COLOR_YELLOW);
         gfx_printf("Schritt 2: Dateien kopieren...\n");
         install_set_color(COLOR_WHITE);
-        res = update_mode_install(pack_variant);
+        res = update_mode_install(pack_variant, true);
         if (res != FR_OK) return res;
         
         install_check_and_clear_screen_if_needed();
diff --git a/source/install.h b/source/install.h
index 04f18b3..0b61a05 100644
--- a/source/install.h
+++ b/source/install.h
@@ -18,7 +18,8 @@ int perform_installation(omninx_variant_t pack_variant, install_mode_t mode);
 
 // Update mode operations (install_update.c)
 int update_mode_cleanup(omninx_variant_t variant);
-int update_mode_install(omninx_variant_t variant);
+/* offload_aware_switch: true = update (preserve .offload), false = clean (normal copy) */
+int update_mode_install(omninx_variant_t variant, bool offload_aware_switch);
 int cleanup_staging_directory(omninx_variant_t pack_variant);
 // Remove other OmniNX staging directories (Standard/Light/OC) that exist, except the one just installed
 int cleanup_other_staging_directories(omninx_variant_t installed_variant);
diff --git a/source/install_clean.c b/source/install_clean.c
index 40960b3..82fab64 100644
--- a/source/install_clean.c
+++ b/source/install_clean.c
@@ -107,9 +107,9 @@ int clean_mode_restore(void) {
     return res;
 }
 
-// Clean mode: Install files (reuse update mode install)
+// Clean mode: Install files (reuse update copy logic, but normal switch copy – no .offload preservation)
 int clean_mode_install(omninx_variant_t variant) {
-    return update_mode_install(variant);
+    return update_mode_install(variant, false);
 }
 
 // Remove other staging directories (OmniNX Standard/Light/OC) that exist on SD
diff --git a/source/install_update.c b/source/install_update.c
index cf04d52..7de8036 100644
--- a/source/install_update.c
+++ b/source/install_update.c
@@ -73,8 +73,9 @@ int update_mode_cleanup(omninx_variant_t variant) {
     return FR_OK;
 }
 
-// Update mode: Copy files from staging
-int update_mode_install(omninx_variant_t variant) {
+// Update/Clean mode: Copy files from staging.
+// offload_aware_switch: true = update (preserve .overlays/.offload, .packages/.offload); false = clean (normal copy).
+int update_mode_install(omninx_variant_t variant, bool offload_aware_switch) {
     int res;
     const char* staging = get_staging_path(variant);
     char src_path[256];
@@ -103,7 +104,10 @@ int update_mode_install(omninx_variant_t variant) {
     if (res != FR_OK && res != FR_NO_FILE) return res;
 
     s_printf(src_path, "%s/switch", staging);
-    res = folder_copy_switch_update_offload_aware(src_path, "sd:/", "switch/");
+    if (offload_aware_switch)
+        res = folder_copy_switch_update_offload_aware(src_path, "sd:/", "switch/");
+    else
+        res = folder_copy_with_progress_v2(src_path, "sd:/", "switch/");
     if (res != FR_OK && res != FR_NO_FILE) return res;
 
     s_printf(src_path, "%s/warmboot_mariko", staging);