diff --git a/docs/DeviceProfiles/lilygo_ttgo_t-internet_poe.json b/docs/DeviceProfiles/lilygo_ttgo_t-internet_poe.json
index 0bc2857c..538f3000 100644
--- a/docs/DeviceProfiles/lilygo_ttgo_t-internet_poe.json
+++ b/docs/DeviceProfiles/lilygo_ttgo_t-internet_poe.json
@@ -18,5 +18,50 @@
             "type": 0,
             "clk_mode": 3
         }
+    },
+    {
+        "name": "LILYGO TTGO T-Internet-POE, nrf24 direct solder",
+        "nrf24": {
+            "miso": 12,
+            "mosi": 4,
+            "clk": 15,
+            "irq": 33,
+            "en": 14,
+            "cs": 2
+        },
+        "eth": {
+            "enabled": true,
+            "phy_addr": 0,
+            "power": -1,
+            "mdc": 23,
+            "mdio": 18,
+            "type": 0,
+            "clk_mode": 3
+        }
+    },
+    {
+        "name": "LILYGO TTGO T-Internet-POE, nrf24 direct solder, SSD1306",
+        "nrf24": {
+            "miso": 12,
+            "mosi": 4,
+            "clk": 15,
+            "irq": 33,
+            "en": 14,
+            "cs": 2
+        },
+        "eth": {
+            "enabled": true,
+            "phy_addr": 0,
+            "power": -1,
+            "mdc": 23,
+            "mdio": 18,
+            "type": 0,
+            "clk_mode": 3
+        },
+        "display": {
+            "type": 2,
+            "data": 16,
+            "clk": 32
+        }
     }
 ]
\ No newline at end of file
diff --git a/include/Display_Graphic.h b/include/Display_Graphic.h
index ac0512df..9fe202c4 100644
--- a/include/Display_Graphic.h
+++ b/include/Display_Graphic.h
@@ -19,6 +19,7 @@ public:
     void init(DisplayType_t type, uint8_t data, uint8_t clk, uint8_t cs, uint8_t reset);
     void loop();
     void setContrast(uint8_t contrast);
+    void setStatus(bool turnOn);
     void setOrientation(uint8_t rotation = DISPLAY_ROTATION);
     void setLanguage(uint8_t language);
     void setStartupDisplay();
@@ -33,6 +34,8 @@ private:
 
     U8G2* _display;
 
+    bool _displayTurnedOn;
+
     DisplayType_t _display_type = DisplayType_t::None;
     uint8_t _display_language = DISPLAY_LANGUAGE;
     uint8_t _mExtra;
diff --git a/include/Led_Single.h b/include/Led_Single.h
index 22fc87a2..a5c601bd 100644
--- a/include/Led_Single.h
+++ b/include/Led_Single.h
@@ -19,6 +19,9 @@ public:
     void init();
     void loop();
 
+    void turnAllOff();
+    void turnAllOn();
+
 private:
     enum class LedState_t {
         On,
@@ -27,6 +30,7 @@ private:
     };
 
     LedState_t _ledState[PINMAPPING_LED_COUNT];
+    LedState_t _allState;
     TimeoutHelper _updateTimeout;
     TimeoutHelper _blinkTimeout;
     uint8_t _ledActive = 0;
diff --git a/include/Utils.h b/include/Utils.h
index 33887ff9..6de962b0 100644
--- a/include/Utils.h
+++ b/include/Utils.h
@@ -8,4 +8,5 @@ public:
     static uint32_t getChipId();
     static uint64_t generateDtuSerial();
     static int getTimezoneOffset();
+    static void restartDtu();
 };
diff --git a/lib/Hoymiles/src/Hoymiles.cpp b/lib/Hoymiles/src/Hoymiles.cpp
index e5e6e4dd..a5f468b5 100644
--- a/lib/Hoymiles/src/Hoymiles.cpp
+++ b/lib/Hoymiles/src/Hoymiles.cpp
@@ -91,9 +91,21 @@ void HoymilesClass::loop()
                 }
 
                 // Fetch dev info (but first fetch stats)
-                if (iv->Statistics()->getLastUpdate() > 0 && (iv->DevInfo()->getLastUpdateAll() == 0 || iv->DevInfo()->getLastUpdateSimple() == 0)) {
-                    _messageOutput->println("Request device info");
-                    iv->sendDevInfoRequest();
+                if (iv->Statistics()->getLastUpdate() > 0) {
+                    bool invalidDevInfo = !iv->DevInfo()->containsValidData()
+                        && iv->DevInfo()->getLastUpdateAll() > 0
+                        && iv->DevInfo()->getLastUpdateSimple() > 0;
+
+                    if (invalidDevInfo) {
+                        _messageOutput->println("DevInfo: No Valid Data");
+                    }
+
+                    if ((iv->DevInfo()->getLastUpdateAll() == 0)
+                        || (iv->DevInfo()->getLastUpdateSimple() == 0)
+                        || invalidDevInfo) {
+                        _messageOutput->println("Request device info");
+                        iv->sendDevInfoRequest();
+                    }
                 }
 
                 if (++inverterPos >= getNumInverters()) {
diff --git a/lib/Hoymiles/src/parser/DevInfoParser.cpp b/lib/Hoymiles/src/parser/DevInfoParser.cpp
index 44fe59e1..eab3a303 100644
--- a/lib/Hoymiles/src/parser/DevInfoParser.cpp
+++ b/lib/Hoymiles/src/parser/DevInfoParser.cpp
@@ -196,6 +196,16 @@ String DevInfoParser::getHwModelName()
     return devInfo[idx].modelName;
 }
 
+bool DevInfoParser::containsValidData()
+{
+    time_t t = getFwBuildDateTime();
+
+    struct tm info;
+    localtime_r(&t, &info);
+
+    return info.tm_year > (2016 - 1900);
+}
+
 uint8_t DevInfoParser::getDevIdx()
 {
     uint8_t ret = 0xff;
diff --git a/lib/Hoymiles/src/parser/DevInfoParser.h b/lib/Hoymiles/src/parser/DevInfoParser.h
index 18c3d7c8..b18bc8a1 100644
--- a/lib/Hoymiles/src/parser/DevInfoParser.h
+++ b/lib/Hoymiles/src/parser/DevInfoParser.h
@@ -33,6 +33,8 @@ public:
     uint16_t getMaxPower();
     String getHwModelName();
 
+    bool containsValidData();
+
 private:
     time_t timegm(struct tm* tm);
     uint8_t getDevIdx();
diff --git a/src/Display_Graphic.cpp b/src/Display_Graphic.cpp
index 972b3bc2..26991cb5 100644
--- a/src/Display_Graphic.cpp
+++ b/src/Display_Graphic.cpp
@@ -47,6 +47,7 @@ void DisplayGraphicClass::init(DisplayType_t type, uint8_t data, uint8_t clk, ui
         _display = constructor(reset, clk, data, cs);
         _display->begin();
         setContrast(DISPLAY_CONTRAST);
+        setStatus(true);
     }
 }
 
@@ -139,10 +140,11 @@ void DisplayGraphicClass::loop()
     if ((millis() - _lastDisplayUpdate) > _period) {
 
         _display->clearBuffer();
+        bool displayPowerSave = false;
 
         //=====> Actual Production ==========
         if (Datastore.getIsAtLeastOneReachable()) {
-            _display->setPowerSave(false);
+            displayPowerSave = false;
             if (Datastore.getTotalAcPowerEnabled() > 999) {
                 snprintf(_fmtText, sizeof(_fmtText), i18n_current_power_kw[_display_language], (Datastore.getTotalAcPowerEnabled() / 1000));
             } else {
@@ -158,7 +160,7 @@ void DisplayGraphicClass::loop()
             printText(i18n_offline[_display_language], 0);
             // check if it's time to enter power saving mode
             if (millis() - _previousMillis >= (_interval * 2)) {
-                _display->setPowerSave(enablePowerSafe);
+                displayPowerSave = enablePowerSafe;
             }
         }
         //<=======================
@@ -184,6 +186,12 @@ void DisplayGraphicClass::loop()
 
         _mExtra++;
         _lastDisplayUpdate = millis();
+
+        if (!_displayTurnedOn) {
+            displayPowerSave = true;
+        }
+
+        _display->setPowerSave(displayPowerSave);
     }
 }
 
@@ -195,4 +203,9 @@ void DisplayGraphicClass::setContrast(uint8_t contrast)
     _display->setContrast(contrast * 2.55f);
 }
 
+void DisplayGraphicClass::setStatus(bool turnOn)
+{
+    _displayTurnedOn = turnOn;
+}
+
 DisplayGraphicClass Display;
\ No newline at end of file
diff --git a/src/Led_Single.cpp b/src/Led_Single.cpp
index 17690fe0..7ce6637f 100644
--- a/src/Led_Single.cpp
+++ b/src/Led_Single.cpp
@@ -20,6 +20,7 @@ void LedSingleClass::init()
 {
     _blinkTimeout.set(500);
     _updateTimeout.set(LEDSINGLE_UPDATE_INTERVAL);
+    turnAllOn();
 
     for (uint8_t i = 0; i < PINMAPPING_LED_COUNT; i++) {
         auto& pin = PinMapping.get();
@@ -40,7 +41,7 @@ void LedSingleClass::loop()
         return;
     }
 
-    if (_updateTimeout.occured()) {
+    if (_updateTimeout.occured() && _allState == LedState_t::On) {
         const CONFIG_T& config = Configuration.get();
 
         // Update network status
@@ -68,6 +69,9 @@ void LedSingleClass::loop()
         }
 
         _updateTimeout.reset();
+    } else if (_updateTimeout.occured() && _allState == LedState_t::Off) {
+        _ledState[0] = LedState_t::Off;
+        _ledState[1] = LedState_t::Off;
     }
 
     for (uint8_t i = 0; i < PINMAPPING_LED_COUNT; i++) {
@@ -93,3 +97,13 @@ void LedSingleClass::loop()
         }
     }
 }
+
+void LedSingleClass::turnAllOff()
+{
+    _allState = LedState_t::Off;
+}
+
+void LedSingleClass::turnAllOn()
+{
+    _allState = LedState_t::On;
+}
diff --git a/src/Utils.cpp b/src/Utils.cpp
index db8363ad..2e59d856 100644
--- a/src/Utils.cpp
+++ b/src/Utils.cpp
@@ -3,6 +3,8 @@
  * Copyright (C) 2022 - 2023 Thomas Basler and others
  */
 #include "Utils.h"
+#include "Display_Graphic.h"
+#include "Led_Single.h"
 #include <Esp.h>
 
 uint32_t Utils::getChipId()
@@ -52,4 +54,14 @@ int Utils::getTimezoneOffset()
     gmt = mktime(ptm);
 
     return static_cast<int>(difftime(rawtime, gmt));
-}
\ No newline at end of file
+}
+
+void Utils::restartDtu()
+{
+    LedSingle.turnAllOff();
+    Display.setStatus(false);
+    yield();
+    delay(1000);
+    yield();
+    ESP.restart();
+}
diff --git a/src/WebApi_config.cpp b/src/WebApi_config.cpp
index d936be58..08b86d65 100644
--- a/src/WebApi_config.cpp
+++ b/src/WebApi_config.cpp
@@ -4,6 +4,7 @@
  */
 #include "WebApi_config.h"
 #include "Configuration.h"
+#include "Utils.h"
 #include "WebApi.h"
 #include "WebApi_errors.h"
 #include <AsyncJson.h>
@@ -114,7 +115,7 @@ void WebApiConfigClass::onConfigDelete(AsyncWebServerRequest* request)
     request->send(response);
 
     LittleFS.remove(CONFIG_FILENAME);
-    ESP.restart();
+    Utils::restartDtu();
 }
 
 void WebApiConfigClass::onConfigListGet(AsyncWebServerRequest* request)
@@ -157,10 +158,7 @@ void WebApiConfigClass::onConfigUploadFinish(AsyncWebServerRequest* request)
     response->addHeader("Connection", "close");
     response->addHeader("Access-Control-Allow-Origin", "*");
     request->send(response);
-    yield();
-    delay(1000);
-    yield();
-    ESP.restart();
+    Utils::restartDtu();
 }
 
 void WebApiConfigClass::onConfigUpload(AsyncWebServerRequest* request, String filename, size_t index, uint8_t* data, size_t len, bool final)
diff --git a/src/WebApi_device.cpp b/src/WebApi_device.cpp
index ab7d7bfb..521e799e 100644
--- a/src/WebApi_device.cpp
+++ b/src/WebApi_device.cpp
@@ -6,6 +6,7 @@
 #include "Configuration.h"
 #include "Display_Graphic.h"
 #include "PinMapping.h"
+#include "Utils.h"
 #include "WebApi.h"
 #include "WebApi_errors.h"
 #include "helper.h"
@@ -185,9 +186,6 @@ void WebApiDeviceClass::onDeviceAdminPost(AsyncWebServerRequest* request)
     request->send(response);
 
     if (performRestart) {
-        yield();
-        delay(1000);
-        yield();
-        ESP.restart();
+        Utils::restartDtu();
     }
 }
\ No newline at end of file
diff --git a/src/WebApi_firmware.cpp b/src/WebApi_firmware.cpp
index 798264a0..62cf5615 100644
--- a/src/WebApi_firmware.cpp
+++ b/src/WebApi_firmware.cpp
@@ -5,6 +5,7 @@
 #include "WebApi_firmware.h"
 #include "Configuration.h"
 #include "Update.h"
+#include "Utils.h"
 #include "WebApi.h"
 #include "helper.h"
 #include <AsyncJson.h>
@@ -42,10 +43,7 @@ void WebApiFirmwareClass::onFirmwareUpdateFinish(AsyncWebServerRequest* request)
     response->addHeader("Connection", "close");
     response->addHeader("Access-Control-Allow-Origin", "*");
     request->send(response);
-    yield();
-    delay(1000);
-    yield();
-    ESP.restart();
+    Utils::restartDtu();
 }
 
 void WebApiFirmwareClass::onFirmwareUpdateUpload(AsyncWebServerRequest* request, String filename, size_t index, uint8_t* data, size_t len, bool final)
diff --git a/src/WebApi_maintenance.cpp b/src/WebApi_maintenance.cpp
index b59ed34e..ed2d6867 100644
--- a/src/WebApi_maintenance.cpp
+++ b/src/WebApi_maintenance.cpp
@@ -4,6 +4,7 @@
  */
 
 #include "WebApi_maintenance.h"
+#include "Utils.h"
 #include "WebApi.h"
 #include "WebApi_errors.h"
 #include <AsyncJson.h>
@@ -75,10 +76,7 @@ void WebApiMaintenanceClass::onRebootPost(AsyncWebServerRequest* request)
 
         response->setLength();
         request->send(response);
-        yield();
-        delay(1000);
-        yield();
-        ESP.restart();
+        Utils::restartDtu();
     } else {
         retMsg["message"] = "Reboot cancled!";
         retMsg["code"] = WebApiError::MaintenanceRebootCancled;
diff --git a/webapp/package.json b/webapp/package.json
index d4d9b246..31f237aa 100644
--- a/webapp/package.json
+++ b/webapp/package.json
@@ -26,18 +26,18 @@
     "@rushstack/eslint-patch": "^1.3.3",
     "@tsconfig/node18": "^18.2.1",
     "@types/bootstrap": "^5.2.6",
-    "@types/node": "^20.5.1",
-    "@types/sortablejs": "^1.15.1",
+    "@types/node": "^20.5.7",
+    "@types/sortablejs": "^1.15.2",
     "@types/spark-md5": "^3.0.2",
     "@vitejs/plugin-vue": "^4.3.3",
     "@vue/eslint-config-typescript": "^11.0.3",
     "@vue/tsconfig": "^0.4.0",
-    "eslint": "^8.47.0",
+    "eslint": "^8.48.0",
     "eslint-plugin-vue": "^9.17.0",
     "npm-run-all": "^4.1.5",
     "sass": "^1.64.2",
     "terser": "^5.19.2",
-    "typescript": "^5.1.6",
+    "typescript": "^5.2.2",
     "vite": "^4.4.9",
     "vite-plugin-compression": "^0.5.1",
     "vite-plugin-css-injected-by-js": "^3.3.0",
diff --git a/webapp/yarn.lock b/webapp/yarn.lock
index 14593bac..ae7a4028 100644
--- a/webapp/yarn.lock
+++ b/webapp/yarn.lock
@@ -166,10 +166,10 @@
     minimatch "^3.1.2"
     strip-json-comments "^3.1.1"
 
-"@eslint/js@^8.47.0":
-  version "8.47.0"
-  resolved "https://registry.yarnpkg.com/@eslint/js/-/js-8.47.0.tgz#5478fdf443ff8158f9de171c704ae45308696c7d"
-  integrity sha512-P6omY1zv5MItm93kLM8s2vr1HICJH8v0dvddDhysbIuZ+vcjOHg5Zbkf1mTkcmi2JA9oBG2anOkRnW8WJTS8Og==
+"@eslint/js@8.48.0":
+  version "8.48.0"
+  resolved "https://registry.yarnpkg.com/@eslint/js/-/js-8.48.0.tgz#642633964e217905436033a2bd08bf322849b7fb"
+  integrity sha512-ZSjtmelB7IJfWD2Fvb7+Z+ChTIKWq6kjda95fLcQKNS5aheVHn4IkfgRQE3sIIzTcSLwLcLZUD9UBt+V7+h+Pw==
 
 "@humanwhocodes/config-array@^0.11.10":
   version "0.11.10"
@@ -382,20 +382,20 @@
   resolved "https://registry.yarnpkg.com/@types/json-schema/-/json-schema-7.0.11.tgz#d421b6c527a3037f7c84433fd2c4229e016863d3"
   integrity sha512-wOuvG1SN4Us4rez+tylwwwCV1psiNVOkJeM3AUWUNWg/jDQY2+HE/444y5gc+jBmRqASOm2Oeh5c1axHobwRKQ==
 
-"@types/node@^20.5.1":
-  version "20.5.1"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-20.5.1.tgz#178d58ee7e4834152b0e8b4d30cbfab578b9bb30"
-  integrity sha512-4tT2UrL5LBqDwoed9wZ6N3umC4Yhz3W3FloMmiiG4JwmUJWpie0c7lcnUNd4gtMKuDEO4wRVS8B6Xa0uMRsMKg==
+"@types/node@^20.5.7":
+  version "20.5.7"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-20.5.7.tgz#4b8ecac87fbefbc92f431d09c30e176fc0a7c377"
+  integrity sha512-dP7f3LdZIysZnmvP3ANJYTSwg+wLLl8p7RqniVlV7j+oXSXAbt9h0WIBFmJy5inWZoX9wZN6eXx+YXd9Rh3RBA==
 
 "@types/semver@^7.3.12":
   version "7.3.13"
   resolved "https://registry.yarnpkg.com/@types/semver/-/semver-7.3.13.tgz#da4bfd73f49bd541d28920ab0e2bf0ee80f71c91"
   integrity sha512-21cFJr9z3g5dW8B0CVI9g2O9beqaThGQ6ZFBqHfwhzLDKUxaqTIy3vnfah/UPkfOiF2pLq+tGz+W8RyCskuslw==
 
-"@types/sortablejs@^1.15.1":
-  version "1.15.1"
-  resolved "https://registry.yarnpkg.com/@types/sortablejs/-/sortablejs-1.15.1.tgz#123abafbe936f754fee5eb5b49009ce1f1075aa5"
-  integrity sha512-g/JwBNToh6oCTAwNS8UGVmjO7NLDKsejVhvE4x1eWiPTC3uCuNsa/TD4ssvX3du+MLiM+SHPNDuijp8y76JzLQ==
+"@types/sortablejs@^1.15.2":
+  version "1.15.2"
+  resolved "https://registry.yarnpkg.com/@types/sortablejs/-/sortablejs-1.15.2.tgz#d51e5ecac00a9782aa256c1401309ce1c4031ba2"
+  integrity sha512-mOIv/EnPMzAZAVbuh9uGjOZ1BBdimP9Y6IPGntsvQJtko5yapSDKB7GwB3AOlF5N3bkpk4sBwQRpS3aEkiUbaA==
 
 "@types/spark-md5@^3.0.2":
   version "3.0.2"
@@ -1168,15 +1168,15 @@ eslint-visitor-keys@^3.4.3:
   resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-3.4.3.tgz#0cd72fe8550e3c2eae156a96a4dddcd1c8ac5800"
   integrity sha512-wpc+LXeiyiisxPlEkUzU6svyS1frIO3Mgxj1fdy7Pm8Ygzguax2N3Fa/D/ag1WqbOprdI+uY6wMUl8/a2G+iag==
 
-eslint@^8.47.0:
-  version "8.47.0"
-  resolved "https://registry.yarnpkg.com/eslint/-/eslint-8.47.0.tgz#c95f9b935463fb4fad7005e626c7621052e90806"
-  integrity sha512-spUQWrdPt+pRVP1TTJLmfRNJJHHZryFmptzcafwSvHsceV81djHOdnEeDmkdotZyLNjDhrOasNK8nikkoG1O8Q==
+eslint@^8.48.0:
+  version "8.48.0"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-8.48.0.tgz#bf9998ba520063907ba7bfe4c480dc8be03c2155"
+  integrity sha512-sb6DLeIuRXxeM1YljSe1KEx9/YYeZFQWcV8Rq9HfigmdDEugjLEVEa1ozDjL6YDjBpQHPJxJzze+alxi4T3OLg==
   dependencies:
     "@eslint-community/eslint-utils" "^4.2.0"
     "@eslint-community/regexpp" "^4.6.1"
     "@eslint/eslintrc" "^2.1.2"
-    "@eslint/js" "^8.47.0"
+    "@eslint/js" "8.48.0"
     "@humanwhocodes/config-array" "^0.11.10"
     "@humanwhocodes/module-importer" "^1.0.1"
     "@nodelib/fs.walk" "^1.2.8"
@@ -2469,10 +2469,10 @@ type-fest@^0.20.2:
   resolved "https://registry.yarnpkg.com/type-fest/-/type-fest-0.20.2.tgz#1bf207f4b28f91583666cb5fbd327887301cd5f4"
   integrity sha512-Ne+eE4r0/iWnpAxD852z3A+N0Bt5RN//NjJwRd2VFHEmrywxf5vsZlh4R6lixl6B+wz/8d+maTSAkN1FIkI3LQ==
 
-typescript@^5.1.6:
-  version "5.1.6"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.1.6.tgz#02f8ac202b6dad2c0dd5e0913745b47a37998274"
-  integrity sha512-zaWCozRZ6DLEWAWFrVDz1H6FVXzUSfTy5FUMWsQlU8Ym5JP9eO4xkTIROFCQvhQf61z6O/G6ugw3SgAnvvm+HA==
+typescript@^5.2.2:
+  version "5.2.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.2.2.tgz#5ebb5e5a5b75f085f22bc3f8460fba308310fa78"
+  integrity sha512-mI4WrpHsbCIcwT9cF4FZvr80QUeKvsUsUvKDoR+X/7XHQH98xYD8YHZg7ANtz2GtZt/CBq2QJ0thkGJMHfqc1w==
 
 ufo@^1.1.2:
   version "1.1.2"