diff --git a/extendedcommands.c b/extendedcommands.c
index b2aacc9..4ef23f7 100644
--- a/extendedcommands.c
+++ b/extendedcommands.c
@@ -12,6 +12,10 @@
 #include <time.h>
 #include <unistd.h>
 
+#include <sys/wait.h>
+#include <sys/limits.h>
+#include <dirent.h>
+
 #include "bootloader.h"
 #include "common.h"
 #include "cutils/properties.h"
@@ -35,5 +39,100 @@
 void toggle_script_asserts()
 {
     script_assert_enabled = !script_assert_enabled;
-    ui_print("Script Asserts: %s\n", signature_check_enabled ? "Enabled" : "Disabled");
+    ui_print("Script Asserts: %s\n", script_assert_enabled ? "Enabled" : "Disabled");
+}
+
+void show_choose_zip_menu()
+{
+    static char* headers[] = { "Choose a zip or press POWER to return",
+			       "",
+			       NULL };
+    
+    char path[PATH_MAX] = "";
+    DIR *dir;
+    struct dirent *de;
+    int total = 0;
+    int i;
+    char** files;
+    char** list;
+
+    if (ensure_root_path_mounted("SDCARD:") != 0) {
+        LOGE ("Can't mount /sdcard\n");
+        return;
+    }
+
+    dir = opendir("/sdcard");
+    if (dir == NULL) {
+        LOGE("Couldn't open /sdcard");
+        return;
+    }
+    
+    const char *extension = ".zip";
+    const int extension_length = strlen(extension);
+    
+    while ((de=readdir(dir)) != NULL) {
+        if (de->d_name[0] != '.' && strlen(de->d_name) > extension_length && strcmp(de->d_name + strlen(de->d_name) - extension_length, extension) == 0) {
+            total++;
+	      }
+    }
+
+    if (total==0) {
+        LOGE("No tar archives found\n");
+        if(closedir(dir) < 0) {
+            LOGE("Failed to close directory /sdcard");
+            return;
+	      }
+    }
+    else {
+        files = (char**) malloc((total+1)*sizeof(char*));
+        files[total]=NULL;
+
+        list = (char**) malloc((total+1)*sizeof(char*));
+        list[total]=NULL;
+	
+        rewinddir(dir);
+
+        i = 0;
+        while ((de = readdir(dir)) != NULL) {
+            if (de->d_name[0] != '.' && strlen(de->d_name) > extension_length && strcmp(de->d_name + strlen(de->d_name) - extension_length, extension) == 0) {
+                files[i] = (char*) malloc(strlen("/sdcard/")+strlen(de->d_name)+1);
+                strcpy(files[i], "/sdcard/");
+                strcat(files[i], de->d_name);
+
+                list[i] = (char*) malloc(strlen(de->d_name)+1);
+                strcpy(list[i], de->d_name);
+
+                i++;
+            }
+        }
+
+        if (closedir(dir) <0) {
+            LOGE("Failure closing directory /sdcard\n");
+            return;
+        }
+
+        int chosen_item = get_menu_selection(headers, list, 1);
+        if (chosen_item >= 0 && chosen_item != GO_BACK) {
+          char sdcard_package_file[1024];
+          strcpy(sdcard_package_file, "SDCARD:");
+          strcat(sdcard_package_file, files[chosen_item] + strlen("/sdcard"));
+
+          ui_print("\n-- Install from sdcard...\n");
+          set_sdcard_update_bootloader_message();
+          int status = install_package(sdcard_package_file);
+          if (status != INSTALL_SUCCESS) {
+              ui_set_background(BACKGROUND_ICON_ERROR);
+              ui_print("Installation aborted.\n");
+          } else if (!ui_text_visible()) {
+              return;  // reboot if logs aren't visible
+          } else {
+              if (firmware_update_pending()) {
+                  ui_print("\nReboot via menu to complete\n"
+                           "installation.\n");
+              } else {
+                  ui_print("\nInstall from sdcard complete.\n");
+              }
+          }
+        }
+    }
 }
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