diff --git a/ffi/src/lockdown.rs b/ffi/src/lockdown.rs
index acfa5f4..1034394 100644
--- a/ffi/src/lockdown.rs
+++ b/ffi/src/lockdown.rs
@@ -210,7 +210,8 @@ pub unsafe extern "C" fn lockdownd_start_service(
 ///
 /// # Arguments
 /// * `client` - A valid LockdowndClient handle
-/// * `value` - The value to get (null-terminated string)
+/// * `key` - The value to get (null-terminated string)
+/// * `domain` - The value to get (null-terminated string)
 /// * `out_plist` - Pointer to store the returned plist value
 ///
 /// # Returns
@@ -223,21 +224,32 @@ pub unsafe extern "C" fn lockdownd_start_service(
 #[unsafe(no_mangle)]
 pub unsafe extern "C" fn lockdownd_get_value(
     client: *mut LockdowndClientHandle,
-    value: *const libc::c_char,
+    key: *const libc::c_char,
+    domain: *const libc::c_char,
     out_plist: *mut *mut c_void,
 ) -> IdeviceErrorCode {
-    if value.is_null() || out_plist.is_null() {
+    if key.is_null() || out_plist.is_null() {
         return IdeviceErrorCode::InvalidArg;
     }
 
-    let value = unsafe { std::ffi::CStr::from_ptr(value) }
+    let value = unsafe { std::ffi::CStr::from_ptr(key) }
         .to_string_lossy()
         .into_owned();
 
+    let domain = if domain.is_null() {
+        None
+    } else {
+        Some(
+            unsafe { std::ffi::CStr::from_ptr(domain) }
+                .to_string_lossy()
+                .into_owned(),
+        )
+    };
+
     let res: Result<plist::Value, IdeviceError> = RUNTIME.block_on(async move {
         let mut client_box = unsafe { Box::from_raw(client) };
         let client_ref = &mut client_box.0;
-        let res = client_ref.get_value(value).await;
+        let res = client_ref.get_value(value, domain).await;
         std::mem::forget(client_box);
         res
     });
diff --git a/idevice/src/lockdown.rs b/idevice/src/lockdown.rs
index f690e02..4e301b0 100644
--- a/idevice/src/lockdown.rs
+++ b/idevice/src/lockdown.rs
@@ -84,14 +84,25 @@ impl LockdownClient {
     /// let device_name = client.get_value("DeviceName").await?;
     /// println!("Device name: {:?}", device_name);
     /// ```
-    pub async fn get_value(&mut self, value: impl Into<String>) -> Result<Value, IdeviceError> {
-        let req = LockdownRequest {
-            label: self.idevice.label.clone(),
-            key: Some(value.into()),
-            request: "GetValue".to_string(),
-        };
-        let message = plist::to_value(&req)?;
-        self.idevice.send_plist(message).await?;
+    pub async fn get_value(
+        &mut self,
+        key: impl Into<String>,
+        domain: Option<String>,
+    ) -> Result<Value, IdeviceError> {
+        let key = key.into();
+
+        let mut request = plist::Dictionary::new();
+        request.insert("Label".into(), self.idevice.label.clone().into());
+        request.insert("Request".into(), "GetValue".into());
+        request.insert("Key".into(), key.into());
+
+        if let Some(domain) = domain {
+            request.insert("Domain".into(), domain.into());
+        }
+
+        self.idevice
+            .send_plist(plist::Value::Dictionary(request))
+            .await?;
         let message: plist::Dictionary = self.idevice.read_plist().await?;
         match message.get("Value") {
             Some(m) => Ok(m.to_owned()),
diff --git a/tools/src/ideviceinfo.rs b/tools/src/ideviceinfo.rs
index e47ad1a..d882ebd 100644
--- a/tools/src/ideviceinfo.rs
+++ b/tools/src/ideviceinfo.rs
@@ -65,7 +65,10 @@ async fn main() {
         }
     };
 
-    println!("{:?}", lockdown_client.get_value("ProductVersion").await);
+    println!(
+        "{:?}",
+        lockdown_client.get_value("ProductVersion", None).await
+    );
 
     println!(
         "{:?}",
diff --git a/tools/src/mounter.rs b/tools/src/mounter.rs
index 56a28a9..8e7eff1 100644
--- a/tools/src/mounter.rs
+++ b/tools/src/mounter.rs
@@ -89,14 +89,17 @@ async fn main() {
         .await
         .expect("Unable to connect to lockdown");
 
-    let product_version = match lockdown_client.get_value("ProductVersion").await {
+    let product_version = match lockdown_client.get_value("ProductVersion", None).await {
         Ok(p) => p,
         Err(_) => {
             lockdown_client
                 .start_session(&provider.get_pairing_file().await.unwrap())
                 .await
                 .unwrap();
-            lockdown_client.get_value("ProductVersion").await.unwrap()
+            lockdown_client
+                .get_value("ProductVersion", None)
+                .await
+                .unwrap()
         }
     };
     let product_version = product_version
@@ -179,7 +182,7 @@ async fn main() {
                 .await
                 .expect("Unable to read signature");
 
-            let unique_chip_id = match lockdown_client.get_value("UniqueChipID").await {
+            let unique_chip_id = match lockdown_client.get_value("UniqueChipID", None).await {
                 Ok(u) => u,
                 Err(_) => {
                     lockdown_client
@@ -187,7 +190,7 @@ async fn main() {
                         .await
                         .expect("Unable to start session");
                     lockdown_client
-                        .get_value("UniqueChipID")
+                        .get_value("UniqueChipID", None)
                         .await
                         .expect("Unable to get UniqueChipID")
                 }