diff --git a/Changelog.md b/Changelog.md
index 9989af61..bfaf8fbd 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,3 +1,9 @@
+## Unreleased
+
+### Added
+
+-   Write support for 91x
+
 ## 4.5.0 - 2025-01-02
 
 ### Changed
diff --git a/doc/docs/index.md b/doc/docs/index.md
index 88c0d1e2..62e99f15 100644
--- a/doc/docs/index.md
+++ b/doc/docs/index.md
@@ -10,6 +10,7 @@ The following table lists the hardware platforms that you can program with the {
 |---------------------|----------|------------|--------------------------|-------------------------------------|--------------------------|
 | nRF9161 DK          | nRF9161  | PCA10153   | Yes                      | No                                  | No                       |
 | nRF9160 DK          | nRF9160  | PCA10090   | Yes                      | No                                  | No                       |
+| Nordic Thingy:91 X  | nRF9151  | PCA20065   | ???                      | ??                                  | ???                      |
 | Nordic Thingy:91    | nRF9160  | PCA20035   | Yes                      | No                                  | Yes                      |
 | nRF9151 DK          | nRF9131  | PCA10171   | Yes                      | No                                  | No                       |
 | nRF9131 DK          | nRF9131  | PCA10147   | Yes                      | No                                  | No                       |
@@ -50,4 +51,4 @@ The following hardware platforms cannot be programmed with the {{app_name}} anym
 ## Application source code
 
 The code of the application is open source and [available on GitHub](https://github.com/NordicSemiconductor/pc-nrfconnect-programmer).
-Feel free to fork the repository and clone it for secondary development or feature contributions.
\ No newline at end of file
+Feel free to fork the repository and clone it for secondary development or feature contributions.
diff --git a/doc/docs/programming_dk.md b/doc/docs/programming_dk.md
index ab2d0433..62c12508 100644
--- a/doc/docs/programming_dk.md
+++ b/doc/docs/programming_dk.md
@@ -11,6 +11,7 @@ The following devices have specific programming requirements or procedures:
 
 | Device                            | Description                                                                                                          |
 |-----------------------------------|----------------------------------------------------------------------------------------------------------------------|
+| Nordic Thingy:91 X    | To program Nordic Thingy:91 X, see ???.
 | Nordic Thingy:91      | To program Nordic Thingy:91, see [Updating the Thingy:91 firmware using Programmer](https://docs.nordicsemi.com/bundle/ncs-latest/page/nrf/device_guides/working_with_nrf/nrf91/thingy91.html#updating_the_thingy91_firmware_using_programmer).
 | nRF9160 DK            | To program the nRF9160 DK, see [Updating the nRF9160 DK firmware using Programmer](https://docs.nordicsemi.com/bundle/ncs-latest/page/nrf/device_guides/working_with_nrf/nrf91/nrf9160.html#updating_the_dk_firmware_using_programmer). |
 | Nordic Thingy:53      | To program Nordic Thingy:53, follow the steps from the [Programming Nordic Thingy:53](#programming-nordic-thingy53) section. |
@@ -163,4 +164,4 @@ To program Nordic Thingy:53 using an external debug probe, complete the followin
    The HEX file appears in the **File memory layout** section.
 1. Click **Erase & write** in the **DEVICE** section of the side panel.
 
-The update is complete when the animation in the Programmer app's **Device memory layout** section ends.
\ No newline at end of file
+The update is complete when the animation in the Programmer app's **Device memory layout** section ends.
diff --git a/package.json b/package.json
index 06a82fb1..b804e204 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "nrfConnectForDesktop": {
         "nrfutil": {
             "device": [
-                "2.6.4"
+                "2.8.6"
             ]
         },
         "html": "dist/index.html"
diff --git a/src/actions/mcubootTargetActions.ts b/src/actions/mcubootTargetActions.ts
index 0afbedf5..61bded27 100644
--- a/src/actions/mcubootTargetActions.ts
+++ b/src/actions/mcubootTargetActions.ts
@@ -62,7 +62,8 @@ export const performUpdate = async (
     dfuFilePath: string,
     onProgress: (progress: Progress) => void,
     abortController: AbortController,
-    netCoreUploadDelay?: number
+    netCoreUploadDelay?: number,
+    target?: string
 ) => {
     logger.info(`Writing ${dfuFilePath} to device ${device.serialNumber}`);
 
@@ -75,6 +76,7 @@ export const performUpdate = async (
             undefined,
             {
                 netCoreUploadDelay,
+                target,
             },
             abortController
         );
diff --git a/src/components/McuUpdateDialogView.tsx b/src/components/McuUpdateDialogView.tsx
index e60d6017..bd030cf4 100644
--- a/src/components/McuUpdateDialogView.tsx
+++ b/src/components/McuUpdateDialogView.tsx
@@ -13,13 +13,18 @@ import {
     classNames,
     clearConfirmBeforeClose,
     clearWaitForDevice,
+    convertToDropDownItems,
     DialogButton,
+    Dropdown,
+    DropdownItem,
     GenericDialog,
     getPersistentStore,
+    getSelectedDropdownItem,
     logger,
     NumberInlineInput,
     Overlay,
     selectedDevice,
+    selectedDeviceInfo,
     setWaitForDevice,
     Slider,
     Toggle,
@@ -53,8 +58,19 @@ const McuUpdateDialogView = () => {
     const isVisible = useSelector(getShowMcuBootProgrammingDialog);
     const mcubootFwPath = useSelector(getMcubootFilePath);
     const zipFilePath = useSelector(getZipFilePath);
+    const deviceInfo = useSelector(selectedDeviceInfo);
+
+    const programmingOptions =
+        deviceInfo?.mcuStateOptions?.filter(s => s.type === 'Programming') ??
+        [];
+
+    const targetDropdownItems = convertToDropDownItems(
+        programmingOptions.map(s => s.arguments?.target),
+        false
+    );
 
     const fwPath = mcubootFwPath || zipFilePath;
+    const [chosenTarget, setChosenTarget] = useState<string>('');
 
     const writingHasStarted = writing || writingFail || writingSucceed;
 
@@ -108,6 +124,12 @@ const McuUpdateDialogView = () => {
         }
     }, [device, showDelayTimeout]);
 
+    useEffect(() => {
+        if (targetDropdownItems.length > 0 && !chosenTarget) {
+            setChosenTarget(targetDropdownItems[0].value);
+        }
+    }, [chosenTarget, targetDropdownItems]);
+
     const onCancel = () => {
         dispatch(clearWaitForDevice());
         dispatch(setShowMcuBootProgrammingDialog(false));
@@ -129,6 +151,11 @@ const McuUpdateDialogView = () => {
             return;
         }
 
+        if (programmingOptions.length > 1 && !zipFilePath && !chosenTarget) {
+            logger.error('No target selected');
+            return;
+        }
+
         abortController.current = new AbortController();
 
         setWriting(true);
@@ -172,7 +199,8 @@ Are you sure you want to continue?`,
                 setProgress(updatedProgress);
             },
             abortController.current,
-            showDelayTimeout ? uploadDelay : undefined
+            showDelayTimeout ? uploadDelay : undefined,
+            mcubootFwPath ? chosenTarget : undefined
         )
             .then(() => {
                 setWritingSucceed(true);
@@ -228,7 +256,14 @@ Are you sure you want to continue?`,
                     <DialogButton
                         variant="primary"
                         onClick={onWriteStart}
-                        disabled={writing || writingSucceed || writingFail}
+                        disabled={
+                            writing ||
+                            writingSucceed ||
+                            writingFail ||
+                            (programmingOptions.length > 1 &&
+                                !chosenTarget &&
+                                !!mcubootFwPath)
+                        }
                     >
                         Write
                     </DialogButton>
@@ -243,6 +278,24 @@ Are you sure you want to continue?`,
                     <strong>Firmware:</strong>
                     <span>{` ${mcubootFwPath || zipFilePath}`}</span>
                 </div>
+
+                {programmingOptions.length > 1 && !zipFilePath && (
+                    <div className="tw-flex tw-flex-col tw-gap-2">
+                        <strong>Target:</strong>
+                        <Dropdown
+                            items={targetDropdownItems}
+                            onSelect={(item: DropdownItem) => {
+                                setChosenTarget(item.value);
+                            }}
+                            selectedItem={getSelectedDropdownItem(
+                                targetDropdownItems,
+                                chosenTarget
+                            )}
+                            disabled={writingHasStarted}
+                        />
+                    </div>
+                )}
+
                 {writing && (
                     <div className="tw-flex tw-flex-col tw-gap-2">
                         <div>