diff --git a/android/capacitor/src/main/assets/native-bridge.js b/android/capacitor/src/main/assets/native-bridge.js
index 8d458087c1..7cee6e1db2 100644
--- a/android/capacitor/src/main/assets/native-bridge.js
+++ b/android/capacitor/src/main/assets/native-bridge.js
@@ -65,22 +65,29 @@ var nativeBridge = (function (exports) {
         return newFormData;
     };
     const convertBody = async (body, contentType) => {
-        if (body instanceof ReadableStream) {
-            const reader = body.getReader();
-            const chunks = [];
-            while (true) {
-                const { done, value } = await reader.read();
-                if (done)
-                    break;
-                chunks.push(value);
+        if (body instanceof ReadableStream || body instanceof Uint8Array) {
+            let encodedData;
+            if (body instanceof ReadableStream) {
+                const reader = body.getReader();
+                const chunks = [];
+                while (true) {
+                    const { done, value } = await reader.read();
+                    if (done)
+                        break;
+                    chunks.push(value);
+                }
+                const concatenated = new Uint8Array(chunks.reduce((acc, chunk) => acc + chunk.length, 0));
+                let position = 0;
+                for (const chunk of chunks) {
+                    concatenated.set(chunk, position);
+                    position += chunk.length;
+                }
+                encodedData = concatenated;
             }
-            const concatenated = new Uint8Array(chunks.reduce((acc, chunk) => acc + chunk.length, 0));
-            let position = 0;
-            for (const chunk of chunks) {
-                concatenated.set(chunk, position);
-                position += chunk.length;
+            else {
+                encodedData = body;
             }
-            let data = new TextDecoder().decode(concatenated);
+            let data = new TextDecoder().decode(encodedData);
             let type;
             if (contentType === 'application/json') {
                 try {
diff --git a/core/native-bridge.ts b/core/native-bridge.ts
index 5bd70017b5..cb415519e9 100644
--- a/core/native-bridge.ts
+++ b/core/native-bridge.ts
@@ -55,24 +55,30 @@ const convertBody = async (
   body: Document | XMLHttpRequestBodyInit | ReadableStream<any> | undefined,
   contentType?: string,
 ): Promise<any> => {
-  if (body instanceof ReadableStream) {
-    const reader = body.getReader();
-    const chunks: any[] = [];
-    while (true) {
-      const { done, value } = await reader.read();
-      if (done) break;
-      chunks.push(value);
-    }
-    const concatenated = new Uint8Array(
-      chunks.reduce((acc, chunk) => acc + chunk.length, 0),
-    );
-    let position = 0;
-    for (const chunk of chunks) {
-      concatenated.set(chunk, position);
-      position += chunk.length;
+  if (body instanceof ReadableStream || body instanceof Uint8Array) {
+    let encodedData;
+    if (body instanceof ReadableStream) {
+      const reader = body.getReader();
+      const chunks: any[] = [];
+      while (true) {
+        const { done, value } = await reader.read();
+        if (done) break;
+        chunks.push(value);
+      }
+      const concatenated = new Uint8Array(
+        chunks.reduce((acc, chunk) => acc + chunk.length, 0),
+      );
+      let position = 0;
+      for (const chunk of chunks) {
+        concatenated.set(chunk, position);
+        position += chunk.length;
+      }
+      encodedData = concatenated;
+    } else {
+      encodedData = body;
     }
 
-    let data = new TextDecoder().decode(concatenated);
+    let data = new TextDecoder().decode(encodedData);
     let type;
     if (contentType === 'application/json') {
       try {
diff --git a/ios/Capacitor/Capacitor/assets/native-bridge.js b/ios/Capacitor/Capacitor/assets/native-bridge.js
index 8d458087c1..7cee6e1db2 100644
--- a/ios/Capacitor/Capacitor/assets/native-bridge.js
+++ b/ios/Capacitor/Capacitor/assets/native-bridge.js
@@ -65,22 +65,29 @@ var nativeBridge = (function (exports) {
         return newFormData;
     };
     const convertBody = async (body, contentType) => {
-        if (body instanceof ReadableStream) {
-            const reader = body.getReader();
-            const chunks = [];
-            while (true) {
-                const { done, value } = await reader.read();
-                if (done)
-                    break;
-                chunks.push(value);
+        if (body instanceof ReadableStream || body instanceof Uint8Array) {
+            let encodedData;
+            if (body instanceof ReadableStream) {
+                const reader = body.getReader();
+                const chunks = [];
+                while (true) {
+                    const { done, value } = await reader.read();
+                    if (done)
+                        break;
+                    chunks.push(value);
+                }
+                const concatenated = new Uint8Array(chunks.reduce((acc, chunk) => acc + chunk.length, 0));
+                let position = 0;
+                for (const chunk of chunks) {
+                    concatenated.set(chunk, position);
+                    position += chunk.length;
+                }
+                encodedData = concatenated;
             }
-            const concatenated = new Uint8Array(chunks.reduce((acc, chunk) => acc + chunk.length, 0));
-            let position = 0;
-            for (const chunk of chunks) {
-                concatenated.set(chunk, position);
-                position += chunk.length;
+            else {
+                encodedData = body;
             }
-            let data = new TextDecoder().decode(concatenated);
+            let data = new TextDecoder().decode(encodedData);
             let type;
             if (contentType === 'application/json') {
                 try {