diff --git a/install.c b/install.c
index cca9400..c2e1385 100644
--- a/install.c
+++ b/install.c
@@ -196,6 +196,9 @@
     //            arrange to install the contents of <filename> in the
     //            given partition on reboot.
     //
+    //        ui_print <string>
+    //            display <string> on the screen.
+    //
     //   - the name of the package zip file.
     //
 
@@ -248,6 +251,13 @@
                     firmware_filename = strdup(filename);
                 }
             }
+        } else if (strcmp(command, "ui_print") == 0) {
+            char* str = strtok(NULL, "\n");
+            if (str) {
+                ui_print(str);
+            } else {
+                ui_print("\n");
+            }
         } else {
             LOGE("unknown command [%s]\n", command);
         }