diff --git a/src/flasher.rs b/src/flasher.rs
index 924f494..2090488 100644
--- a/src/flasher.rs
+++ b/src/flasher.rs
@@ -78,8 +78,9 @@ fn setup_flash(window: &MainWindow, ctx: &AppContext) {
         let port = flasher.get_selected_prog_port().to_string();
         let path = flasher.get_firmware_path().to_string();
         let offset: u32 = match flasher.get_flash_offset_index() {
-            0 => 0x20000,   // factory
-            1 => 0x220000,  // ota_0
+            0 => 0x0,       // full flash
+            1 => 0x20000,   // factory
+            2 => 0x220000,  // ota_0
             _ => 0x20000,
         };
 
diff --git a/ui/globals.slint b/ui/globals.slint
index 60d1908..591f0f7 100644
--- a/ui/globals.slint
+++ b/ui/globals.slint
@@ -264,7 +264,7 @@ export global FlasherBridge {
     in property <[string]> prog-ports;
     in-out property <string> selected-prog-port: "";
     in-out property <string> firmware-path: "";
-    in-out property <int> flash-offset-index: 0; // 0=factory(0x20000), 1=ota_0(0x220000)
+    in-out property <int> flash-offset-index: 1; // 0=full(0x0), 1=factory(0x20000), 2=ota_0(0x220000)
     in property <float> flash-progress: 0;
     in property <string> flash-status: "";
     in property <bool> flashing: false;
diff --git a/ui/tabs/tab_flasher.slint b/ui/tabs/tab_flasher.slint
index 146dfbd..5342fa6 100644
--- a/ui/tabs/tab_flasher.slint
+++ b/ui/tabs/tab_flasher.slint
@@ -91,7 +91,7 @@ export component TabFlasher inherits Rectangle {
                 }
 
                 DarkComboBox {
-                    model: ["factory (0x20000)", "ota_0 (0x220000)"];
+                    model: ["full (0x0)", "factory (0x20000)", "ota_0 (0x220000)"];
                     current-index <=> FlasherBridge.flash-offset-index;
                 }
             }
diff --git a/ui/tabs/tab_tools.slint b/ui/tabs/tab_tools.slint
index 99b7cb0..106094a 100644
--- a/ui/tabs/tab_tools.slint
+++ b/ui/tabs/tab_tools.slint
@@ -214,7 +214,7 @@ export component TabTools inherits Rectangle {
 
                         DarkComboBox {
                             width: 200px;
-                            model: ["factory (0x20000)", "ota\\_0 (0x220000)"];
+                            model: ["full (0x0)", "factory (0x20000)", "ota\\_0 (0x220000)"];
                             current-index <=> FlasherBridge.flash-offset-index;
                         }