diff --git a/dist/index.cjs.js b/dist/index.cjs.js
index 85953c5..8c5d877 100644
--- a/dist/index.cjs.js
+++ b/dist/index.cjs.js
@@ -209,7 +209,7 @@ class Updater {
                 if (dataView[0] == 1) {
                     // send file
                     this.sendNextPacket();
-                    progressCallback(`Sending (${Math.floor((this._fileProgress * 100) / this._fileSize)}%), ${this._fileProgress} / ${this._fileSize}`);
+                    progressCallback(`MTU: ${this._packetSize}; Sending (${Math.floor((this._fileProgress * 100) / this._fileSize)}%), ${this._fileProgress} / ${this._fileSize}`);
                 }
                 else if (dataView[0] == 2) {
                     // done logic
diff --git a/dist/index.es.js b/dist/index.es.js
index 8f525ba..1405f7d 100644
--- a/dist/index.es.js
+++ b/dist/index.es.js
@@ -207,7 +207,7 @@ class Updater {
                 if (dataView[0] == 1) {
                     // send file
                     this.sendNextPacket();
-                    progressCallback(`Sending (${Math.floor((this._fileProgress * 100) / this._fileSize)}%), ${this._fileProgress} / ${this._fileSize}`);
+                    progressCallback(`MTU: ${this._packetSize}; Sending (${Math.floor((this._fileProgress * 100) / this._fileSize)}%), ${this._fileProgress} / ${this._fileSize}`);
                 }
                 else if (dataView[0] == 2) {
                     // done logic
diff --git a/package.json b/package.json
index dbb9158..dce82f0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "updaterweblibrary",
-  "version": "1.0.27",
+  "version": "1.0.28",
   "description": "OTA Updater App frontend library",
   "repository": {
     "type": "git",