diff --git a/src/NerdMinerV2.ino.cpp b/src/NerdMinerV2.ino.cpp
index b9f2f91..984d21f 100644
--- a/src/NerdMinerV2.ino.cpp
+++ b/src/NerdMinerV2.ino.cpp
@@ -103,9 +103,9 @@ void setup()
   doLedStuff(0);
 
 #ifdef NERDMINER_T_HMI
-  extern void t_hmiCheckForSDCardAndMoveToNVM(void);
-  t_hmiCheckForSDCardAndMoveToNVM();
+  SDCrd.initSDcard();
 #endif
+
   /******** INIT WIFI ************/
   init_WifiManager();
 
diff --git a/src/drivers/displays/t_hmiDisplayDriver.cpp b/src/drivers/displays/t_hmiDisplayDriver.cpp
index a5b5285..c10f1f5 100644
--- a/src/drivers/displays/t_hmiDisplayDriver.cpp
+++ b/src/drivers/displays/t_hmiDisplayDriver.cpp
@@ -37,88 +37,6 @@ extern monitor_data mMonitor;
 extern pool_data pData;
 extern DisplayDriver *currentDisplayDriver;
 
-/*=============================================*/
-#include <FS.h>
-#include <ArduinoJson.h>
-#include <WiFi.h>
-#include "drivers/storage/nvMemory.h"
-#include "drivers/storage/SDCard.h"
-extern nvMemory nvMem;
-extern TSettings Settings;
-
-void t_hmiCheckForSDCardAndMoveToNVM(void)
-{
-  // workaround removing use of class SDCard
-  // SCard SDCrd = SDCard() blows up in SDCard::initSDcard()
-  // Need to lower frequency to 20000
-  SD_MMC.setPins(SDMMC_CLK, SDMMC_CMD, SDMMC_D0);
-  delay(500);
-  bool rlst = SD_MMC.begin("/sd", true, false, 20000);
-  if (!rlst)
-  {
-      Serial.println("SD init failed");
-      Serial.println("➸ No detected SdCard");
-  }
-  else
-  {
-      Serial.println("SD init success");
-      Serial.printf("➸ Detected SdCard insert: %.2f GB\r\n", SD_MMC.cardSize() / 1024.0 / 1024.0 / 1024.0);
-
-      // SDCrd.SD2nvMemory(&nvMem, &Settings);
-
-      if (SD_MMC.exists(JSON_CONFIG_FILE))
-      {
-          // The file exists, reading and loading
-          File configFile = SD_MMC.open(JSON_CONFIG_FILE, "r");
-          if (configFile)
-          {
-              StaticJsonDocument<512> json;
-              DeserializationError error = deserializeJson(json, configFile);
-              configFile.close();
-              Serial.println("SDCard: Loading config file");
-              if (!error)
-              {
-                  serializeJsonPretty(json, Serial);
-                  Serial.print('\n');
-                  TSettings *pSettings = &Settings;
-                  pSettings->WifiSSID = json[JSON_KEY_SSID] | pSettings->WifiSSID;
-                  pSettings->WifiPW = json[JSON_KEY_PASW] | pSettings->WifiPW;
-                  pSettings->PoolAddress = json[JSON_KEY_POOLURL] | pSettings->PoolAddress;
-                  strcpy(pSettings->PoolPassword, json[JSON_KEY_POOLPASS] | pSettings->PoolPassword);
-                  strcpy(pSettings->BtcWallet, json[JSON_KEY_WALLETID] | pSettings->BtcWallet);
-                  if (json.containsKey(JSON_KEY_POOLPORT))
-                      pSettings->PoolPort = json[JSON_KEY_POOLPORT].as<int>();
-                  if (json.containsKey(JSON_KEY_TIMEZONE))
-                      pSettings->Timezone = json[JSON_KEY_TIMEZONE].as<int>();
-                  if (json.containsKey(JSON_KEY_STATS2NV))
-                      pSettings->saveStats = json[JSON_KEY_STATS2NV].as<bool>();
-                  nvMem.saveConfig(pSettings);
-                  WiFi.begin(pSettings->WifiSSID, pSettings->WifiPW);
-                  Serial.println("SDCard: Settings transfered to internal memory. Restarting now.");
-                  ESP.restart();
-              }
-              else
-              {
-                  // Error loading JSON data
-                  Serial.println("SDCard: Error parsing config file!");
-              }
-          }
-          else
-          {
-              Serial.println("SDCard: Error opening config file!");
-          }
-      }
-      else
-      {
-          Serial.println("SDCard: No config file available!");
-      }
-      // delay(15000);
-      SD_MMC.end();
-      Serial.println("SD close");
-  }
-}
-/*=============================================*/
-
 uint32_t readAdcVoltage(int pin) {
     esp_adc_cal_characteristics_t adc_chars;
 
diff --git a/src/drivers/storage/SDCard.cpp b/src/drivers/storage/SDCard.cpp
index a1cda51..99f88e5 100644
--- a/src/drivers/storage/SDCard.cpp
+++ b/src/drivers/storage/SDCard.cpp
@@ -170,9 +170,7 @@ bool SDCard::initSDcard()
 #warning SDMMC : 1 - bit mode is not always working. If you experience issues, try other modes.
         iSD_->setPins(SDMMC_CLK, SDMMC_CMD, SDMMC_D0);
 #ifdef NERDMINER_T_HMI
-        // Need to lower frequency to 20000
-        // Should work but blows up in SDCard::initSDcard()
-        // see temporary workaround t_hmiCheckForSDCardAndMoveToNVM()
+        // Need to lower frequency to 20000 for proper detection
         cardInitialized_ = iSD_->begin("/sd", true, false, 20000);
 #else
         cardInitialized_ = iSD_->begin("/sd", true);
diff --git a/src/drivers/storage/SDCard.h b/src/drivers/storage/SDCard.h
index a90deb3..5727875 100644
--- a/src/drivers/storage/SDCard.h
+++ b/src/drivers/storage/SDCard.h
@@ -58,8 +58,13 @@ public:
     bool loadConfigFile(TSettings* Settings);
     bool cardAvailable();
     bool cardBusy();
+#ifdef NERDMINER_T_HMI
+    bool initSDcard();
+private:
+#else
 private:
     bool initSDcard();
+#endif
     bool cardInitialized_;
     bool cardBusy_;
 #if defined (BUILD_SDMMC_1) || defined(BUILD_SDMMC_4)