diff --git a/android/src/main/java/com/pichillilorenzo/flutter_inappwebview/plugin_scripts_js/JavaScriptBridgeJS.java b/android/src/main/java/com/pichillilorenzo/flutter_inappwebview/plugin_scripts_js/JavaScriptBridgeJS.java
index 565a6120..f36fc042 100644
--- a/android/src/main/java/com/pichillilorenzo/flutter_inappwebview/plugin_scripts_js/JavaScriptBridgeJS.java
+++ b/android/src/main/java/com/pichillilorenzo/flutter_inappwebview/plugin_scripts_js/JavaScriptBridgeJS.java
@@ -147,7 +147,9 @@ public class JavaScriptBridgeJS {
           "        });" +
           "    }," +
           "    arrayBufferToString: function(arrayBuffer) {" +
-          "        return String.fromCharCode.apply(String, arrayBuffer);" +
+          "        const uint8Array = new Uint8Array(arrayBuffer);" +
+          "        const data = uint8Array.reduce((acc, i) => acc += String.fromCharCode.apply(null, [i]), '');" +
+          "        return data;" +
           "    }," +
           "    isBodyFormData: function(bodyString) {" +
           "        return bodyString.indexOf('------WebKitFormBoundary') >= 0;" +
diff --git a/ios/Classes/PluginScriptsJS/JavaScriptBridgeJS.swift b/ios/Classes/PluginScriptsJS/JavaScriptBridgeJS.swift
index 9aa6334d..8f9aa385 100644
--- a/ios/Classes/PluginScriptsJS/JavaScriptBridgeJS.swift
+++ b/ios/Classes/PluginScriptsJS/JavaScriptBridgeJS.swift
@@ -175,7 +175,9 @@ let UTIL_JS_SOURCE = """
         });
     },
     arrayBufferToString: function(arrayBuffer) {
-        return String.fromCharCode.apply(String, arrayBuffer);
+        const uint8Array = new Uint8Array(arrayBuffer);
+        const data = uint8Array.reduce((acc, i) => acc += String.fromCharCode.apply(null, [i]), '');
+        return data;
     },
     isBodyFormData: function(bodyString) {
         return bodyString.indexOf('------WebKitFormBoundary') >= 0;