diff --git a/ESP32_AP-Flasher/data/www/index.html b/ESP32_AP-Flasher/data/www/index.html
index e602545b..4837e20b 100644
--- a/ESP32_AP-Flasher/data/www/index.html
+++ b/ESP32_AP-Flasher/data/www/index.html
@@ -160,7 +160,7 @@ Latency will be around 40 seconds.">
 					<div><span id="runstate"></div>
 					<div><span id="apstatecolor">&#11044;</span> <span id="apstate">loading</span></div>
 					<div><span id="apconfigbutton">AP config</span></div>
-					<div><a href="/edit" target="littlefs" class="filebutton">edit littleFS</a></div>
+					<div><a href="/edit" target="littlefs" class="filebutton">edit contentFS</a></div>
 				</div>
 			</div>
 
diff --git a/ESP32_AP-Flasher/esp32_sdcard.csv b/ESP32_AP-Flasher/esp32_sdcard.csv
new file mode 100644
index 00000000..f3bcf0db
--- /dev/null
+++ b/ESP32_AP-Flasher/esp32_sdcard.csv
@@ -0,0 +1,7 @@
+# Name,   Type, SubType, Offset,  Size, Flags
+nvs,      data, nvs,     0x9000,  0x5000,
+otadata,  data, ota,     0xe000,  0x2000,
+app0,     app,  ota_0,   0x10000, 0x150000,
+app1,     app,  ota_1,   0x160000,0x150000,
+spiffs,   data, spiffs,  0x2B0000,0x140000,
+coredump, data, coredump,0x3F0000,0x10000,
\ No newline at end of file
diff --git a/ESP32_AP-Flasher/include/storage.h b/ESP32_AP-Flasher/include/storage.h
new file mode 100644
index 00000000..a55dab09
--- /dev/null
+++ b/ESP32_AP-Flasher/include/storage.h
@@ -0,0 +1,37 @@
+#ifndef _DYN_STORAGE_H_
+#define _DYN_STORAGE_H_
+
+#include "FS.h"
+
+#ifdef HAS_SDCARD
+#ifndef SD_CARD_SS
+#error SD_CARD_SS UNDEFINED
+#endif
+
+#ifndef SD_CARD_CLK
+#define SD_CARD_CLK 18
+#endif
+
+#ifndef SD_CARD_MISO
+#define SD_CARD_MISO 19
+#endif
+
+#ifndef SD_CARD_MOSI
+#define SD_CARD_MOSI 23
+#endif
+#endif
+
+class DynStorage {
+   public:
+    DynStorage();
+    void begin();
+    void listFiles();
+
+   private:
+    bool isInited;
+};
+
+extern DynStorage Storage;
+extern fs::FS *contentFS;
+
+#endif
\ No newline at end of file
diff --git a/ESP32_AP-Flasher/src/contentmanager.cpp b/ESP32_AP-Flasher/src/contentmanager.cpp
index 6be2ae98..7d886afb 100644
--- a/ESP32_AP-Flasher/src/contentmanager.cpp
+++ b/ESP32_AP-Flasher/src/contentmanager.cpp
@@ -13,7 +13,7 @@
 #ifdef CONTENT_RSS
 #include <rssClass.h>
 #endif
-#include <LittleFS.h>
+#include "storage.h"
 #include <time.h>
 
 #include <map>
@@ -143,7 +143,7 @@ void drawNew(uint8_t mac[8], bool buttonPressed, tagRecord *&taginfo) {
                 if (imageParams.hasRed) imageParams.dataType = DATATYPE_IMG_RAW_2BPP;
                 if (prepareDataAvail(&filename, imageParams.dataType, mac, cfgobj["timetolive"].as<int>())) {
                     cfgobj["#fetched"] = true;
-                    if (cfgobj["delete"].as<String>() == "1") LittleFS.remove("/" + cfgobj["filename"].as<String>());
+                    if (cfgobj["delete"].as<String>() == "1") contentFS->remove("/" + cfgobj["filename"].as<String>());
                 } else {
                     wsErr("Error accessing " + filename);
                 }
@@ -323,7 +323,7 @@ void drawString(TFT_eSprite &spr, String content, uint16_t posx, uint16_t posy,
         spr.setTextColor(PAL_BLACK, PAL_WHITE);
         spr.drawString(content, posx, posy);
     } else {
-        if (font != "") spr.loadFont(font, LittleFS);
+        if (font != "") spr.loadFont(font, *contentFS);
         spr.setTextColor(color, PAL_WHITE);
         spr.drawString(content, posx, posy);
         if (font != "") spr.unloadFont();
@@ -420,7 +420,7 @@ void drawNumber(String &filename, int32_t count, int32_t thresholdred, tagRecord
     if (count > 99) font = loc["fonts"][1].as<String>();
     if (count > 999) font = loc["fonts"][2].as<String>();
     if (count > 9999) font = loc["fonts"][3].as<String>();
-    spr.loadFont(font, LittleFS);
+    spr.loadFont(font, *contentFS);
     spr.drawString(String(count), loc["xy"][0].as<uint16_t>(), loc["xy"][1].as<uint16_t>());
     spr.unloadFont();
 
@@ -505,7 +505,7 @@ void drawWeather(String &filename, JsonObject &cfgobj, tagRecord *&taginfo, imgP
         dtostrf(temperature, 2, 1, tmpOutput);
         drawString(spr, String(tmpOutput), loc["temp"][0], loc["temp"][1], loc["temp"][2], TL_DATUM, (temperature < 0 ? PAL_RED : PAL_BLACK));
 
-        spr.loadFont(loc["icon"][2], LittleFS);
+        spr.loadFont(loc["icon"][2], *contentFS);
         if (weathercode == 55 || weathercode == 65 || weathercode == 75 || weathercode == 82 || weathercode == 86 || weathercode == 95 || weathercode == 99) {
             spr.setTextColor(PAL_RED, PAL_WHITE);
         } else {
@@ -515,7 +515,7 @@ void drawWeather(String &filename, JsonObject &cfgobj, tagRecord *&taginfo, imgP
         spr.printToSprite(weatherIcons[weathercode]);
         spr.unloadFont();
 
-        spr.loadFont(loc["dir"][2], LittleFS);
+        spr.loadFont(loc["dir"][2], *contentFS);
         spr.setTextColor(PAL_BLACK, PAL_WHITE);
         spr.setCursor(loc["dir"][0], loc["dir"][1]);
         spr.printToSprite(windDirectionIcon(winddirection));
@@ -578,7 +578,7 @@ void drawForecast(String &filename, JsonObject &cfgobj, tagRecord *&taginfo, img
 
             uint8_t weathercode = doc["daily"]["weathercode"][dag].as<int>();
             if (weathercode > 40) weathercode -= 40;
-            spr.loadFont(loc["icon"][2], LittleFS);
+            spr.loadFont(loc["icon"][2], *contentFS);
             if (weathercode == 55 || weathercode == 65 || weathercode == 75 || weathercode == 82 || weathercode == 86 || weathercode == 95 || weathercode == 99) {
                 spr.setTextColor(PAL_RED, PAL_WHITE);
             } else {
@@ -597,7 +597,7 @@ void drawForecast(String &filename, JsonObject &cfgobj, tagRecord *&taginfo, img
             int8_t tmax = round(doc["daily"]["temperature_2m_max"][dag].as<double>());
             uint8_t wind = windSpeedToBeaufort(doc["daily"]["windspeed_10m_max"][dag].as<double>());
 
-            spr.loadFont(loc["day"][2], LittleFS);
+            spr.loadFont(loc["day"][2], *contentFS);
 
             if (loc["rain"]) {
                 int8_t rain = round(doc["daily"]["precipitation_sum"][dag].as<double>());
@@ -624,7 +624,7 @@ void drawForecast(String &filename, JsonObject &cfgobj, tagRecord *&taginfo, img
 int getImgURL(String &filename, String URL, time_t fetched, imgParam &imageParams, String MAC) {
     // https://images.klari.net/kat-bw29.jpg
 
-    LittleFS.begin();
+    Storage.begin();
 
     Serial.println("get external " + URL);
     HTTPClient http;
@@ -634,7 +634,7 @@ int getImgURL(String &filename, String URL, time_t fetched, imgParam &imageParam
     http.setTimeout(5000);  // timeout in ms
     int httpCode = http.GET();
     if (httpCode == 200) {
-        File f = LittleFS.open("/temp/temp.jpg", "w");
+        File f = contentFS->open("/temp/temp.jpg", "w");
         if (f) {
             http.writeToStream(&f);
             f.close();
@@ -796,7 +796,7 @@ void drawQR(String &filename, String qrcontent, String title, tagRecord *&taginf
 #ifdef CONTENT_QR
     TFT_eSPI tft = TFT_eSPI();
     TFT_eSprite spr = TFT_eSprite(&tft);
-    LittleFS.begin();
+    Storage.begin();
 
     const char *text = qrcontent.c_str();
     QRCode qrcode;
@@ -1031,7 +1031,7 @@ void prepareConfigFile(uint8_t *dst, JsonObject config) {
 }
 
 void getTemplate(JsonDocument &json, const char *filePath, uint8_t id, uint8_t hwtype) {
-    File jsonFile = LittleFS.open(filePath, "r");
+    File jsonFile = contentFS->open(filePath, "r");
     if (!jsonFile) {
         Serial.println("Failed to open content template file " + String(filePath));
         return;
diff --git a/ESP32_AP-Flasher/src/flasher.cpp b/ESP32_AP-Flasher/src/flasher.cpp
index 4f9b3964..f1764caa 100644
--- a/ESP32_AP-Flasher/src/flasher.cpp
+++ b/ESP32_AP-Flasher/src/flasher.cpp
@@ -2,7 +2,7 @@
 
 #include <Arduino.h>
 #include <ArduinoJson.h>
-#include <LittleFS.h>
+#include "storage.h"
 #include <MD5Builder.h>
 // #include <FS.h>
 
@@ -116,7 +116,6 @@ flasher::~flasher() {
 
 bool flasher::connectTag(uint8_t port) {
     bool result;
-
     switch (port) {
         case 0:
             result = zbs->begin(FLASHER_AP_SS, FLASHER_AP_CLK, FLASHER_AP_MOSI, FLASHER_AP_MISO, FLASHER_AP_RESET, (uint8_t *)powerPinsAP, sizeof(powerPinsAP), 8000000);
@@ -206,7 +205,7 @@ bool flasher::getInfoBlockType() {
 bool flasher::findTagByMD5() {
     StaticJsonDocument<3000> doc;
     DynamicJsonDocument APconfig(600);
-    fs::File readfile = LittleFS.open("/tag_md5_db.json", "r");
+    fs::File readfile = contentFS->open("/tag_md5_db.json", "r");
     DeserializationError err = deserializeJson(doc, readfile);
     if (!err) {
         for (JsonObject elem : doc.as<JsonArray>()) {
@@ -236,7 +235,7 @@ bool flasher::findTagByMD5() {
 bool flasher::findTagByType(uint8_t type) {
     StaticJsonDocument<3000> doc;
     DynamicJsonDocument APconfig(600);
-    fs::File readfile = LittleFS.open("/tag_md5_db.json", "r");
+    fs::File readfile = contentFS->open("/tag_md5_db.json", "r");
     DeserializationError err = deserializeJson(doc, readfile);
     if (!err) {
         for (JsonObject elem : doc.as<JsonArray>()) {
@@ -300,7 +299,7 @@ bool flasher::backupFlash() {
     getFirmwareMD5();
     if (!zbs->select_flash(0)) return false;
     md5char[16] = 0x00;
-    fs::File backup = LittleFS.open("/" + (String)md5char + "_backup.bin", "w", true);
+    fs::File backup = contentFS->open("/" + (String)md5char + "_backup.bin", "w", true);
     for (uint32_t c = 0; c < 65535; c++) {
         backup.write(zbs->read_flash(c));
     }
@@ -474,7 +473,7 @@ bool flasher::writeFlashFromPackOffset(fs::File *file, uint16_t length) {
 bool flasher::writeFlashFromPack(String filename, uint8_t type) {
     StaticJsonDocument<512> doc;
     DynamicJsonDocument APconfig(512);
-    fs::File readfile = LittleFS.open(filename, "r");
+    fs::File readfile = contentFS->open(filename, "r");
     DeserializationError err = deserializeJson(doc, readfile);
     if (!err) {
         for (JsonObject elem : doc.as<JsonArray>()) {
@@ -505,7 +504,7 @@ bool flasher::writeFlashFromPack(String filename, uint8_t type) {
 uint16_t getAPUpdateVersion(uint8_t type) {
     StaticJsonDocument<512> doc;
     DynamicJsonDocument APconfig(512);
-    fs::File readfile = LittleFS.open("/AP_FW_Pack.bin", "r");
+    fs::File readfile = contentFS->open("/AP_FW_Pack.bin", "r");
     DeserializationError err = deserializeJson(doc, readfile);
     if (!err) {
         for (JsonObject elem : doc.as<JsonArray>()) {
@@ -529,7 +528,7 @@ uint16_t getAPUpdateVersion(uint8_t type) {
 }
 
 bool checkForcedAPFlash() {
-    return LittleFS.exists("/AP_force_flash.bin");
+    return contentFS->exists("/AP_force_flash.bin");
 }
 
 bool doForcedAPFlash() {
@@ -547,14 +546,14 @@ bool doForcedAPFlash() {
         f->writeInfoBlock();
     }
 
-    fs::File readfile = LittleFS.open("/AP_force_flash.bin", "r");
+    fs::File readfile = contentFS->open("/AP_force_flash.bin", "r");
     bool res = f->writeFlashFromPackOffset(&readfile, readfile.size());
 #ifdef HAS_RGB_LED
     if (res) addFadeColor(CRGB::Green);
     if (!res) addFadeColor(CRGB::Red);
 #endif
     readfile.close();
-    if (res) LittleFS.remove("/AP_force_flash.bin");
+    if (res) contentFS->remove("/AP_force_flash.bin");
     f->zbs->reset();
     delete f;
     return res;
diff --git a/ESP32_AP-Flasher/src/main.cpp b/ESP32_AP-Flasher/src/main.cpp
index 20c8cc26..9fcd7fe6 100644
--- a/ESP32_AP-Flasher/src/main.cpp
+++ b/ESP32_AP-Flasher/src/main.cpp
@@ -1,8 +1,10 @@
+
 #include <Arduino.h>
 #include <WiFi.h>
 #include <WiFiManager.h>
 #include <time.h>
 
+#include "storage.h"
 #include "contentmanager.h"
 #include "flasher.h"
 #include "makeimage.h"
@@ -84,6 +86,8 @@ void setup() {
     heap_caps_malloc_extmem_enable(64);
 #endif
 
+    Storage.begin();
+
     /*
     Serial.println("\n\n##################################");
     Serial.printf("Internal Total heap %d, internal Free Heap %d\n", ESP.getHeapSize(), ESP.getFreeHeap());
diff --git a/ESP32_AP-Flasher/src/makeimage.cpp b/ESP32_AP-Flasher/src/makeimage.cpp
index 2cb090d0..1cc77192 100644
--- a/ESP32_AP-Flasher/src/makeimage.cpp
+++ b/ESP32_AP-Flasher/src/makeimage.cpp
@@ -1,6 +1,6 @@
 #include <Arduino.h>
 #include <FS.h>
-#include <LittleFS.h>
+#include "storage.h"
 #include <TFT_eSPI.h>
 #include <TJpg_Decoder.h>
 #include <makeimage.h>
@@ -15,7 +15,7 @@ bool spr_output(int16_t x, int16_t y, uint16_t w, uint16_t h, uint16_t *bitmap)
 }
 
 void jpg2buffer(String filein, String fileout, imgParam &imageParams) {
-    LittleFS.begin();
+    Storage.begin();
     TJpgDec.setSwapBytes(true);
     TJpgDec.setJpgScale(1);
     TJpgDec.setCallback(spr_output);
@@ -23,7 +23,7 @@ void jpg2buffer(String filein, String fileout, imgParam &imageParams) {
     if (filein.c_str()[0] != '/') {
         filein = "/" + filein;
     }
-    TJpgDec.getFsJpgSize(&w, &h, filein, LittleFS);
+    TJpgDec.getFsJpgSize(&w, &h, filein, *contentFS);
     if (w==0 && h==0) {
         wsErr("invalid jpg");
         return;
@@ -47,7 +47,7 @@ void jpg2buffer(String filein, String fileout, imgParam &imageParams) {
         wsErr("Failed to create sprite in jpg2buffer");
     } else {
         spr.fillSprite(TFT_WHITE);
-        TJpgDec.drawFsJpg(0, 0, filein, LittleFS);
+        TJpgDec.drawFsJpg(0, 0, filein, *contentFS);
 
         spr2buffer(spr, fileout, imageParams);
         spr.deleteSprite();
@@ -76,9 +76,9 @@ uint32_t colorDistance(const Color &c1, const Color &c2, const Error &e1) {
 
 void spr2buffer(TFT_eSprite &spr, String &fileout, imgParam &imageParams) {
     long t = millis();
-    LittleFS.begin();
+    Storage.begin();
 
-    fs::File f_out = LittleFS.open(fileout, "w");
+    fs::File f_out = contentFS->open(fileout, "w");
 
     bool dither = true;
     uint8_t rotate = imageParams.rotate;
diff --git a/ESP32_AP-Flasher/src/newproto.cpp b/ESP32_AP-Flasher/src/newproto.cpp
index 09d9be7f..ad2b130d 100644
--- a/ESP32_AP-Flasher/src/newproto.cpp
+++ b/ESP32_AP-Flasher/src/newproto.cpp
@@ -3,12 +3,12 @@
 #include <Arduino.h>
 #include <FS.h>
 #include <HTTPClient.h>
-#include <LittleFS.h>
+#include "storage.h"
 #include <MD5Builder.h>
 #include <makeimage.h>
 #include <time.h>
 
-#include "LittleFS.h"
+#include "storage.h"
 #include "commstructs.h"
 #include "serialap.h"
 #include "settings.h"
@@ -130,14 +130,14 @@ bool prepareDataAvail(String* filename, uint8_t dataType, uint8_t* dst, uint16_t
     }
 
     *filename = "/" + *filename;
-    LittleFS.begin();
+    Storage.begin();
 
-    if (!LittleFS.exists(*filename)) {
+    if (!contentFS->exists(*filename)) {
         wsErr("File not found. " + *filename);
         return false;
     }
 
-    fs::File file = LittleFS.open(*filename);
+    fs::File file = contentFS->open(*filename);
     uint32_t filesize = file.size();
     if (filesize == 0) {
         file.close();
@@ -161,8 +161,8 @@ bool prepareDataAvail(String* filename, uint8_t dataType, uint8_t* dst, uint16_t
     if (memcmp(md5bytes, taginfo->md5pending, 16) == 0) {
         wsLog("new image is the same as current or already pending image. not updating tag.");
         wsSendTaginfo(dst, SYNC_TAGSTATUS);
-        if (LittleFS.exists(*filename)) {
-            LittleFS.remove(*filename);
+        if (contentFS->exists(*filename)) {
+            contentFS->remove(*filename);
         }
         return true;
     }
@@ -182,10 +182,10 @@ bool prepareDataAvail(String* filename, uint8_t dataType, uint8_t* dst, uint16_t
     if (dataType != DATATYPE_FW_UPDATE) {
         char dst_path[64];
         sprintf(dst_path, "/current/%02X%02X%02X%02X%02X%02X%02X%02X.pending\0", dst[7], dst[6], dst[5], dst[4], dst[3], dst[2], dst[1], dst[0]);
-        if (LittleFS.exists(dst_path)) {
-            LittleFS.remove(dst_path);
+        if (contentFS->exists(dst_path)) {
+            contentFS->remove(dst_path);
         }
-        LittleFS.rename(*filename, dst_path);
+        contentFS->rename(*filename, dst_path);
         *filename = String(dst_path);
 
         wsLog("new image: " + String(dst_path));
@@ -241,7 +241,7 @@ void prepareExternalDataAvail(struct pendingData* pending, IPAddress remoteIP) {
             case DATATYPE_IMG_RAW_1BPP:
             case DATATYPE_IMG_RAW_2BPP:
             case DATATYPE_IMG_RAW_1BPP_DIRECT: {
-                LittleFS.begin();
+                Storage.begin();
 
                 char hexmac[17];
                 mac2hex(pending->targetMac, hexmac);
@@ -252,13 +252,13 @@ void prepareExternalDataAvail(struct pendingData* pending, IPAddress remoteIP) {
                 http.begin(imageUrl);
                 int httpCode = http.GET();
                 if (httpCode == 200) {
-                    File file = LittleFS.open(filename, "w");
+                    File file = contentFS->open(filename, "w");
                     http.writeToStream(&file);
                     file.close();
                 }
                 http.end();
 
-                fs::File file = LittleFS.open(filename);
+                fs::File file = contentFS->open(filename);
                 uint32_t filesize = file.size();
                 if (filesize == 0) {
                     file.close();
@@ -338,7 +338,7 @@ void processBlockRequest(struct espBlockRequest* br) {
 
     if (taginfo->data == nullptr) {
         // not cached. open file, cache the data
-        fs::File file = LittleFS.open(taginfo->filename);
+        fs::File file = contentFS->open(taginfo->filename);
         if (!file) {
             Serial.print("No current file. Canceling request\n");
             prepareCancelPending(br->src);
@@ -380,14 +380,14 @@ void processXferComplete(struct espXferComplete* xfc, bool local) {
     char dst_path[64];
     sprintf(src_path, "/current/%02X%02X%02X%02X%02X%02X%02X%02X.pending\0", xfc->src[7], xfc->src[6], xfc->src[5], xfc->src[4], xfc->src[3], xfc->src[2], xfc->src[1], xfc->src[0]);
     sprintf(dst_path, "/current/%02X%02X%02X%02X%02X%02X%02X%02X.raw\0", xfc->src[7], xfc->src[6], xfc->src[5], xfc->src[4], xfc->src[3], xfc->src[2], xfc->src[1], xfc->src[0]);
-    if (LittleFS.exists(dst_path) && LittleFS.exists(src_path)) {
-        LittleFS.remove(dst_path);
+    if (contentFS->exists(dst_path) && contentFS->exists(src_path)) {
+        contentFS->remove(dst_path);
     }
-    if (LittleFS.exists(src_path)) {
+    if (contentFS->exists(src_path)) {
         #ifndef REMOVE_RAW
-        LittleFS.rename(src_path, dst_path);
+        contentFS->rename(src_path, dst_path);
         #else 
-        LittleFS.remove(src_path);
+        contentFS->remove(src_path);
         #endif
     }
 
@@ -400,8 +400,8 @@ void processXferComplete(struct espXferComplete* xfc, bool local) {
         clearPending(taginfo);
         taginfo->wakeupReason = 0;
         if (taginfo->contentMode == 12 && local == false) {
-            if (LittleFS.exists(dst_path)) {
-                LittleFS.remove(dst_path);
+            if (contentFS->exists(dst_path)) {
+                contentFS->remove(dst_path);
             }
         }
     }
diff --git a/ESP32_AP-Flasher/src/ota.cpp b/ESP32_AP-Flasher/src/ota.cpp
index 9fa8cd0b..9815dd01 100644
--- a/ESP32_AP-Flasher/src/ota.cpp
+++ b/ESP32_AP-Flasher/src/ota.cpp
@@ -4,7 +4,7 @@
 #include <ArduinoJson.h>
 #include <FS.h>
 #include <HTTPClient.h>
-#include <LittleFS.h>
+#include "storage.h"
 #include <MD5Builder.h>
 #include <Update.h>
 
@@ -51,7 +51,7 @@ void handleCheckFile(AsyncWebServerRequest* request) {
     }
 
     String filePath = request->getParam("path")->value();
-    File file = LittleFS.open(filePath, "r");
+    File file = contentFS->open(filePath, "r");
     if (!file) {
         StaticJsonDocument<64> doc;
         doc["filesize"] = 0;
@@ -121,7 +121,7 @@ void handleLittleFSUpload(AsyncWebServerRequest* request, String filename, size_
         } else {
             path = request->getParam("path", true)->value();
             Serial.println("update " + path);
-            request->_tempFile = LittleFS.open(path, "w", true);
+            request->_tempFile = contentFS->open(path, "w", true);
         }
     }
     if (len) {
@@ -268,7 +268,7 @@ void handleRollback(AsyncWebServerRequest* request) {
 
 void handleUpdateActions(AsyncWebServerRequest* request) {
     wsSerial("Performing cleanup");
-    File file = LittleFS.open("/update_actions.json", "r");
+    File file = contentFS->open("/update_actions.json", "r");
     if (!file) {
         wsSerial("No update_actions.json present");
         request->send(200, "No update actions needed");
@@ -278,12 +278,12 @@ void handleUpdateActions(AsyncWebServerRequest* request) {
     DeserializationError error = deserializeJson(doc, file);
     JsonArray deleteFiles = doc["deletefile"].as<JsonArray>();
     for (const auto& filePath : deleteFiles) {
-        if (LittleFS.remove(filePath.as<const char*>())) {
+        if (contentFS->remove(filePath.as<const char*>())) {
             wsSerial("deleted file: " + filePath.as<String>());
         }
     }
     file.close();
     wsSerial("Cleanup finished");
     request->send(200, "Clean up finished");
-    LittleFS.remove("/update_actions.json");
+    contentFS->remove("/update_actions.json");
 }
\ No newline at end of file
diff --git a/ESP32_AP-Flasher/src/serialap.cpp b/ESP32_AP-Flasher/src/serialap.cpp
index 3cec6467..db249e6a 100644
--- a/ESP32_AP-Flasher/src/serialap.cpp
+++ b/ESP32_AP-Flasher/src/serialap.cpp
@@ -2,7 +2,6 @@
 
 #include <Arduino.h>
 #include <HardwareSerial.h>
-#include <LittleFS.h>
 
 #include "commstructs.h"
 #include "flasher.h"
@@ -10,6 +9,7 @@
 #include "newproto.h"
 #include "powermgt.h"
 #include "settings.h"
+#include "storage.h"
 #include "web.h"
 #include "zbs_interface.h"
 
@@ -205,6 +205,7 @@ bool sendDataAvail(struct pendingData* pending) {
         }
         if (waitCmdReply()) goto sdasend;
         Serial.printf("SDA send failed in try %d\n", attempt);
+        delay(200);
     }
     Serial.print("SDA failed to send...\n");
     txEnd();
diff --git a/ESP32_AP-Flasher/src/storage.cpp b/ESP32_AP-Flasher/src/storage.cpp
new file mode 100644
index 00000000..f923ac0e
--- /dev/null
+++ b/ESP32_AP-Flasher/src/storage.cpp
@@ -0,0 +1,189 @@
+#include "storage.h"
+
+#ifdef HAS_SDCARD
+#include "FS.h"
+#include "SD.h"
+#include "SPI.h"
+#endif
+
+#include "LittleFS.h"
+
+DynStorage::DynStorage() : isInited(0) {}
+
+static void initLittleFS() {
+    LittleFS.begin();
+    contentFS = &LittleFS;
+}
+
+#ifdef HAS_SDCARD
+static SPIClass* spi;
+
+static void initSDCard() {
+    uint8_t spi_bus = VSPI;
+
+    // SD.begin and spi.begin are allocating memory so we dont want to do that
+    if(!spi) { 
+        spi = new SPIClass(spi_bus);
+        spi->begin(SD_CARD_CLK, SD_CARD_MISO, SD_CARD_MOSI, SD_CARD_SS);
+
+        bool res = SD.begin(SD_CARD_SS, *spi, 40000000);
+        if (!res) {
+            Serial.println("Card Mount Failed");
+            return;
+        }
+    }
+
+    uint8_t cardType = SD.cardType();
+
+    if (cardType == CARD_NONE) {
+        Serial.println("No SD card attached");
+        return;
+    }
+
+    contentFS = &SD;
+}
+#endif
+
+void copyToSD(FS &sourceFS, const char* source_path){
+    File root = sourceFS.open(source_path);
+
+void copyFile(File in, File out) {
+    Serial.print("Copying ");
+    Serial.print(in.path());
+    Serial.print(" to ");
+    Serial.println(out.path());
+
+    size_t n;
+    uint8_t buf[64];
+    while ((n = in.read(buf, sizeof(buf))) > 0) {
+        out.write(buf, n);
+    }
+}
+
+void copyBetweenFS(FS& sourceFS, const char* source_path, FS& targetFS) {
+    File root = sourceFS.open(source_path);
+    char next_path[128];
+
+    if (root.isDirectory()) {
+        if (!contentFS->exists(root.path())) {
+            if (!contentFS->mkdir(root.path())) {
+                Serial.print("Failed to create directory ");
+                Serial.println(root.path());
+                return;
+            }
+        }
+        File file = root.openNextFile();
+        while (file) {
+            if (file.isDirectory()) {
+                sprintf(next_path, "%s/%s\0", root.path(), file.path());
+
+                copyBetweenFS(sourceFS, file.path(), targetFS);
+            } else {
+                File target = contentFS->open(file.path(), "w");
+                if (target) {
+                    copyFile(file, target);
+                    target.close();
+                    file.close();
+                } else {
+                    Serial.print("Couldn't create high target file");
+                    Serial.println(file.path());
+                    return;
+                }
+            }
+            file = root.openNextFile();
+        }
+    } else {
+        File target = contentFS->open(root.path(), "w");
+        if (target) {
+            copyFile(root, target);
+        } else {
+            Serial.print("Couldn't create target file ");
+            Serial.println(root.path());
+            return;
+        }
+    }
+}
+
+#ifdef HAS_SDCARD
+void copyIfNeeded(const char* path) {
+    if (!contentFS->exists(path) && LittleFS.exists(path)) {
+        Serial.printf("SDCard does not contain %s, littleFS does, copying\n", path);
+        copyBetweenFS(LittleFS, path, *contentFS);
+    }
+}
+#endif
+
+void DynStorage::begin() {
+    initLittleFS();
+
+#ifdef HAS_SDCARD
+    initSDCard();
+
+    copyIfNeeded("/index.html");
+    copyIfNeeded("/fonts");
+    copyIfNeeded("/www");
+    copyIfNeeded("/AP_FW_Pack.bin");
+    copyIfNeeded("/tag_md5_db.json");
+    copyIfNeeded("/update_actions.json");
+    copyIfNeeded("/content_template.json");
+#endif
+
+    if (!contentFS->exists("/current")) {
+        contentFS->mkdir("/current");
+    }
+    if (!contentFS->exists("/temp")) {
+        contentFS->mkdir("/temp");
+    }
+}
+
+
+void listDir(fs::FS& fs, const char* dirname, uint8_t levels) {
+    Storage.begin();
+    // Print blank line on screen
+    Serial.printf(" \n  ");
+
+    Serial.printf("Listing directory: %s\n", dirname);
+
+    File root = fs.open(dirname);
+    if (!root) {
+        Serial.println("Failed to open directory");
+        return;
+    }
+    if (!root.isDirectory()) {
+        Serial.println("Not a directory");
+        return;
+    }
+
+    File file = root.openNextFile();
+    while (file) {
+        if (!strcmp("System Volume Information", file.name())) {
+            file = root.openNextFile();
+            continue;
+        }
+
+        if (file.isDirectory()) {
+            Serial.print("  DIR : ");
+            Serial.println(file.name());
+            if (levels) {
+                listDir(fs, file.path(), levels - 1);
+            }
+            Serial.println();
+        } else {
+            Serial.print("  FILE: ");
+            Serial.print(file.name());
+            Serial.print("  SIZE: ");
+            Serial.println(file.size());
+        }
+        file = root.openNextFile();
+    }
+}
+
+void DynStorage::listFiles() {
+    listDir(LittleFS, "/", 1);
+#ifdef HAS_SDCARD
+    listDir(*contentFS, "/", 1);
+#endif
+}
+
+fs::FS* contentFS;
+DynStorage Storage;
diff --git a/ESP32_AP-Flasher/src/system.cpp b/ESP32_AP-Flasher/src/system.cpp
index 07d2bc65..83879d08 100644
--- a/ESP32_AP-Flasher/src/system.cpp
+++ b/ESP32_AP-Flasher/src/system.cpp
@@ -3,7 +3,7 @@
 #include <Arduino.h>
 #include <FS.h>
 
-#include "LittleFS.h"
+#include "storage.h"
 
 void init_time() {
     struct tm timeinfo;
@@ -28,7 +28,7 @@ void logLine(String text) {
     char timeStr[24];
     strftime(timeStr, sizeof(timeStr), "%Y-%m-%d %H:%M:%S ", localtime(&now));
 
-    File logFile = LittleFS.open("/log.txt", "a");
+    File logFile = contentFS->open("/log.txt", "a");
     if (logFile) {
         logFile.print(timeStr);
         logFile.println(text);
diff --git a/ESP32_AP-Flasher/src/tag_db.cpp b/ESP32_AP-Flasher/src/tag_db.cpp
index e0bdf4e6..aea3ee19 100644
--- a/ESP32_AP-Flasher/src/tag_db.cpp
+++ b/ESP32_AP-Flasher/src/tag_db.cpp
@@ -5,7 +5,7 @@
 #include <FS.h>
 #include <vector>
 
-#include "LittleFS.h"
+#include "storage.h"
 #include "language.h"
 
 std::vector<tagRecord*> tagDB;
@@ -126,8 +126,8 @@ void saveDB(String filename) {
 
     long t = millis();
 
-    LittleFS.begin();
-    fs::File file = LittleFS.open(filename, "w");
+    Storage.begin();
+    fs::File file = contentFS->open(filename, "w");
     if (!file) {
         Serial.println("saveDB: Failed to open file");
         return;
@@ -161,8 +161,8 @@ void loadDB(String filename) {
     Serial.println("reading DB from file");
     long t = millis();
 
-    LittleFS.begin();
-    fs::File readfile = LittleFS.open(filename, "r");
+    Storage.begin();
+    fs::File readfile = contentFS->open(filename, "r");
     if (!readfile) {
         Serial.println("loadDB: Failed to open file");
         return;
@@ -264,9 +264,9 @@ void clearPending(tagRecord* taginfo) {
 }
 
 void initAPconfig() {
-    LittleFS.begin(true);
+    Storage.begin();
     DynamicJsonDocument APconfig(500);
-    File configFile = LittleFS.open("/current/apconfig.json", "r");
+    File configFile = contentFS->open("/current/apconfig.json", "r");
     if (configFile) {
         DeserializationError error = deserializeJson(APconfig, configFile);
         if (error) {
@@ -285,7 +285,7 @@ void initAPconfig() {
 }
 
 void saveAPconfig() {
-    fs::File configFile = LittleFS.open("/current/apconfig.json", "w");
+    fs::File configFile = contentFS->open("/current/apconfig.json", "w");
     DynamicJsonDocument APconfig(500);
     APconfig["channel"] = config.channel;
     APconfig["alias"] = config.alias;
diff --git a/ESP32_AP-Flasher/src/web.cpp b/ESP32_AP-Flasher/src/web.cpp
index 6eec2bfb..5432cb5e 100644
--- a/ESP32_AP-Flasher/src/web.cpp
+++ b/ESP32_AP-Flasher/src/web.cpp
@@ -6,7 +6,8 @@
 #include <ESPAsyncWebServer.h>
 #include <ESPmDNS.h>
 #include <FS.h>
-#include <LittleFS.h>
+#include "storage.h"
+#include "LittleFS.h"
 #include <SPIFFSEditor.h>
 #include <WiFi.h>
 #include <WiFiManager.h>  // https://github.com/tzapu/WiFiManager/tree/feature_asyncwebserver
@@ -215,15 +216,7 @@ uint8_t wsClientCount() {
 }
 
 void init_web() {
-    LittleFS.begin(true);
-
-    if (!LittleFS.exists("/current")) {
-        LittleFS.mkdir("/current");
-    }
-    if (!LittleFS.exists("/temp")) {
-        LittleFS.mkdir("/temp");
-    }
-
+    Storage.begin();
     WiFi.mode(WIFI_STA);
 
     WiFiManager wm;
@@ -243,8 +236,8 @@ void init_web() {
     Serial.print("Connected! IP address: ");
     Serial.println(WiFi.localIP());
 
-    // server.addHandler(new SPIFFSEditor(LittleFS, http_username, http_password));
-    server.addHandler(new SPIFFSEditor(LittleFS));
+    // server.addHandler(new SPIFFSEditor(*contentFS, http_username, http_password));
+    server.addHandler(new SPIFFSEditor(*contentFS));
 
     ws.onEvent(onEvent);
     server.addHandler(&ws);
@@ -260,8 +253,8 @@ void init_web() {
         ESP.restart();
     });
 
-    server.serveStatic("/current", LittleFS, "/current/");
-    server.serveStatic("/", LittleFS, "/www/").setDefaultFile("index.html");
+    server.serveStatic("/current", *contentFS, "/current/");
+    server.serveStatic("/", *contentFS, "/www/").setDefaultFile("index.html");
 
     server.on(
         "/imgupload", HTTP_POST, [](AsyncWebServerRequest *request) {
@@ -371,7 +364,7 @@ void init_web() {
     server.on("/get_ap_config", HTTP_GET, [](AsyncWebServerRequest *request) {
         UDPcomm udpsync;
         udpsync.getAPList();
-        File configFile = LittleFS.open("/current/apconfig.json", "r");
+        File configFile = contentFS->open("/current/apconfig.json", "r");
         if (!configFile) {
             request->send(500, "text/plain", "Error opening apconfig.json file");
             return;
@@ -411,7 +404,7 @@ void init_web() {
 
     server.on("/backup_db", HTTP_GET, [](AsyncWebServerRequest *request) {
         saveDB("/current/tagDB.json");
-        File file = LittleFS.open("/current/tagDB.json", "r");
+        File file = contentFS->open("/current/tagDB.json", "r");
         AsyncWebServerResponse *response = request->beginResponse(file, "tagDB.json", String(), true);
         request->send(response);
         file.close();
@@ -449,7 +442,7 @@ void doImageUpload(AsyncWebServerRequest *request, String filename, size_t index
         } else {
             filename = "unknown.jpg";
         }
-        request->_tempFile = LittleFS.open("/" + filename, "w");
+        request->_tempFile = contentFS->open("/" + filename, "w");
     }
     if (len) {
         // stream the incoming chunk to the opened file