diff --git a/src/CHANGES.md b/src/CHANGES.md
index 2032f009..15dcfba2 100644
--- a/src/CHANGES.md
+++ b/src/CHANGES.md
@@ -2,6 +2,9 @@
 
 ## 0.8.57 - 2024-01-15
 * merge PR: fix immediate clearing of display after sunset #1364
+* merge PR: MI-MQTT and last retransmit #1363
+* fixed DTU-ID, now built from the unique part of the MAC
+* fix lang in `/system` #1346
 
 ## 0.8.56 - 2024-01-15
 * potential fix of update problems and random reboots #1359 #1354
diff --git a/src/hm/CommQueue.h b/src/hm/CommQueue.h
index d62efe07..13decc01 100644
--- a/src/hm/CommQueue.h
+++ b/src/hm/CommQueue.h
@@ -11,7 +11,6 @@
 #include "hmInverter.h"
 #include "../utils/dbg.h"
 
-// needs a '+1' because the comparison does not send if attempts is equal 0
 #define DEFAULT_ATTEMPS                 5
 #define MORE_ATTEMPS_ALARMDATA          15
 #define MORE_ATTEMPS_GRIDONPROFILEPARA  15
diff --git a/src/hm/Communication.h b/src/hm/Communication.h
index 9e383b6a..7b5c84f9 100644
--- a/src/hm/Communication.h
+++ b/src/hm/Communication.h
@@ -144,14 +144,14 @@ class Communication : public CommQueue<> {
                                 } else {
                                     if(IV_MI == q->iv->ivGen)
                                         q->iv->mIvTxCnt++;
-                                    if(mFirstTry){
+                                    if(mFirstTry) {
                                         mFirstTry     = false;
-                                        mState = States::START;
                                         setAttempt();
                                         mHeu.evalTxChQuality(q->iv, false, 0, 0);
                                         //q->iv->radioStatistics.rxFailNoAnser++;
                                         q->iv->radioStatistics.retransmits++;
                                         mWaitTime.stopTimeMonitor();
+                                        mState = States::START;
 
                                         /*if(*mSerialDebug) {
                                             DPRINT_IVID(DBG_INFO, q->iv->id);
diff --git a/src/hm/radio.h b/src/hm/radio.h
index e5eda128..1422b285 100644
--- a/src/hm/radio.h
+++ b/src/hm/radio.h
@@ -103,16 +103,19 @@ class Radio {
         void generateDtuSn(void) {
             uint32_t chipID = 0;
             #ifdef ESP32
-            uint64_t MAC = ESP.getEfuseMac();
-            chipID = ((MAC >> 8) & 0xFF0000) | ((MAC >> 24) & 0xFF00) | ((MAC >> 40) & 0xFF);
+            chipID = (ESP.getEfuseMac() & 0xffffffff);
             #else
             chipID = ESP.getChipId();
             #endif
-            mDtuSn = 0x80000000; // the first digit is an 8 for DTU production year 2022, the rest is filled with the ESP chipID in decimal
-            for(int i = 0; i < 7; i++) {
-                mDtuSn |= (chipID % 10) << (i * 4);
-                chipID /= 10;
+
+            uint8_t t;
+            for(int i = 0; i < (7 << 2); i += 4) {
+                t = (chipID >> i) & 0x0f;
+                if(t > 0x09)
+                    t -= 6;
+                mDtuSn |= (t << i);
             }
+            mDtuSn |= 0x80000000; // the first digit is an 8 for DTU production year 2022, the rest is filled with the ESP chipID in decimal
         }
 
         uint32_t mDtuSn;
diff --git a/src/web/html/update.html b/src/web/html/update.html
index 3fed75a5..800d9dfe 100644
--- a/src/web/html/update.html
+++ b/src/web/html/update.html
@@ -10,7 +10,7 @@
             <div id="content">
                 <fieldset>
                     <legend class="des">{#SELECT_FILE} (*.bin)</legend>
-                    <p>{#INSTALLED_VERSION}: <span id="version" style="background-color: var(--input-bg); padding: 7px;"></span></p>
+                    <p>{#INSTALLED_VERSION}:<br/><span id="version" style="background-color: var(--input-bg); padding: 7px; display: block; margin: 3px;"></span></p>
                     <form id="form" method="POST" action="/update" enctype="multipart/form-data" accept-charset="utf-8">
                         <input type="file" name="update">
                         <input type="button" class="btn my-4" value="{#BTN_UPDATE}" onclick="hide()">
diff --git a/src/web/lang.h b/src/web/lang.h
index 3c3cd631..546399aa 100644
--- a/src/web/lang.h
+++ b/src/web/lang.h
@@ -73,15 +73,15 @@
 #endif
 
 #ifdef LANG_DE
-    #define FACTORY_RESET "Ahoy Factory Reset"
-#else /*LANG_EN*/
     #define FACTORY_RESET "Ahoy auf Werkseinstellungen zurücksetzen"
+#else /*LANG_EN*/
+    #define FACTORY_RESET "Ahoy Factory Reset"
 #endif
 
 #ifdef LANG_DE
-    #define BTN_REBOOT "Reboot"
-#else /*LANG_EN*/
     #define BTN_REBOOT "Ahoy neustarten"
+#else /*LANG_EN*/
+    #define BTN_REBOOT "Reboot"
 #endif
 
 #endif /*__LANG_H__*/
diff --git a/src/web/lang.json b/src/web/lang.json
index c910650e..ae8c0ca2 100644
--- a/src/web/lang.json
+++ b/src/web/lang.json
@@ -781,7 +781,7 @@
                 {
                     "token": "IRQ_WORKING",
                     "en": "Interrupt Pin working",
-                    "de": "Interrupt Pin funktoniert"
+                    "de": "Interrupt Pin funktioniert"
                 },
                 {
                     "token": "NRF24_DATA_RATE",