diff --git a/examples/companion_radio/DataStore.cpp b/examples/companion_radio/DataStore.cpp
index b5d70edc..7631b905 100644
--- a/examples/companion_radio/DataStore.cpp
+++ b/examples/companion_radio/DataStore.cpp
@@ -1,7 +1,13 @@
 #include <Arduino.h>
 #include "DataStore.h"
 
-DataStore::DataStore(FILESYSTEM& fs, mesh::RTCClock& clock) : _fs(&fs), _clock(&clock),
+#if defined(EXTRAFS) || defined(QSPIFLASH)
+  #define MAX_BLOBRECS 100
+#else
+  #define MAX_BLOBRECS 20
+#endif
+
+DataStore::DataStore(FILESYSTEM& fs, mesh::RTCClock& clock) : _fs(&fs), _fsExtra(nullptr), _clock(&clock),
 #if defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
     identity_store(fs, "")
 #elif defined(RP2040_PLATFORM)
@@ -12,14 +18,27 @@ DataStore::DataStore(FILESYSTEM& fs, mesh::RTCClock& clock) : _fs(&fs), _clock(&
 {
 }
 
-static File openWrite(FILESYSTEM* _fs, const char* filename) {
+#if defined(EXTRAFS) || defined(QSPIFLASH)
+DataStore::DataStore(FILESYSTEM& fs, FILESYSTEM& fsExtra, mesh::RTCClock& clock) : _fs(&fs), _fsExtra(&fsExtra), _clock(&clock),
 #if defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
-  _fs->remove(filename);
-  return _fs->open(filename, FILE_O_WRITE);
+    identity_store(fs, "")
 #elif defined(RP2040_PLATFORM)
-  return _fs->open(filename, "w");
+    identity_store(fs, "/identity")
 #else
-  return _fs->open(filename, "w", true);
+    identity_store(fs, "/identity")
+#endif
+{
+}
+#endif
+
+static File openWrite(FILESYSTEM* fs, const char* filename) {
+#if defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
+  fs->remove(filename);
+  return fs->open(filename, FILE_O_WRITE);
+#elif defined(RP2040_PLATFORM)
+  return fs->open(filename, "w");
+#else
+  return fs->open(filename, "w", true);
 #endif
 }
 
@@ -30,6 +49,9 @@ void DataStore::begin() {
 
 #if defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
   checkAdvBlobFile();
+  #if defined(EXTRAFS) || defined(QSPIFLASH)
+  migrateToSecondaryFS();
+  #endif
 #else
   // init 'blob store' support
   _fs->mkdir("/bl");
@@ -41,7 +63,13 @@ void DataStore::begin() {
 #elif defined(RP2040_PLATFORM)
   #include <LittleFS.h>
 #elif defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
-  #include <InternalFileSystem.h>
+  #if defined(QSPIFLASH)
+    #include <CustomLFS_QSPIFlash.h>
+  #elif defined(EXTRAFS)
+    #include <CustomLFS.h>
+  #else 
+    #include <InternalFileSystem.h>
+  #endif
 #endif
 
 #if defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
@@ -51,9 +79,9 @@ int _countLfsBlock(void *p, lfs_block_t block){
   return 0;
 }
 
-lfs_ssize_t _getLfsUsedBlockCount() {
+lfs_ssize_t _getLfsUsedBlockCount(FILESYSTEM* fs) {
   lfs_size_t size = 0;
-  lfs_traverse(InternalFS._getFS(), _countLfsBlock, &size);
+  lfs_traverse(fs->_getFS(), _countLfsBlock, &size);
   return size;
 }
 #endif
@@ -67,8 +95,8 @@ uint32_t DataStore::getStorageUsedKb() const {
   _fs->info(info);
   return info.usedBytes / 1024;
 #elif defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
-  const lfs_config* config = InternalFS._getFS()->cfg;
-  int usedBlockCount = _getLfsUsedBlockCount();
+  const lfs_config* config = _getContactsChannelsFS()->_getFS()->cfg;
+  int usedBlockCount = _getLfsUsedBlockCount(_getContactsChannelsFS());
   int usedBytes = config->block_size * usedBlockCount;
   return usedBytes / 1024;
 #else
@@ -85,7 +113,7 @@ uint32_t DataStore::getStorageTotalKb() const {
   _fs->info(info);
   return info.totalBytes / 1024;
 #elif defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
-  const lfs_config* config = InternalFS._getFS()->cfg;
+  const lfs_config* config = _getContactsChannelsFS()->_getFS()->cfg;
   int totalBytes = config->block_size * config->block_count;
   return totalBytes / 1024;
 #else
@@ -103,13 +131,31 @@ File DataStore::openRead(const char* filename) {
 #endif
 }
 
+File DataStore::openRead(FILESYSTEM* fs, const char* filename) {
+#if defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
+  return fs->open(filename, FILE_O_READ);
+#elif defined(RP2040_PLATFORM)
+  return fs->open(filename, "r");
+#else
+  return fs->open(filename, "r", false);
+#endif
+}
+
 bool DataStore::removeFile(const char* filename) {
   return _fs->remove(filename);
 }
 
+bool DataStore::removeFile(FILESYSTEM* fs, const char* filename) {
+  return fs->remove(filename);
+}
+
 bool DataStore::formatFileSystem() {
 #if defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
-  return _fs->format();
+  if (_fsExtra == nullptr) {
+    return _fs->format();
+  } else {
+    return _fs->format() && _fsExtra->format();
+  }
 #elif defined(RP2040_PLATFORM)
   return LittleFS.format();
 #elif defined(ESP32)
@@ -203,11 +249,15 @@ void DataStore::savePrefs(const NodePrefs& _prefs, double node_lat, double node_
 }
 
 void DataStore::loadContacts(DataStoreHost* host) {
-  if (_fs->exists("/contacts3")) {
-#if defined(RP2040_PLATFORM)
+#if defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
+  if (_getContactsChannelsFS()->exists("/contacts3")) {
+    File file = _getContactsChannelsFS()->open("/contacts3");
+#elif defined(RP2040_PLATFORM)
+    if (_fs->exists("/contacts3")) {
     File file = _fs->open("/contacts3", "r");
 #else
-    File file = _fs->open("/contacts3");
+    if (_fs->exists("/contacts3")) {
+      File file = _fs->open("/contacts3", "r", false);
 #endif
     if (file) {
       bool full = false;
@@ -240,7 +290,7 @@ void DataStore::loadContacts(DataStoreHost* host) {
 }
 
 void DataStore::saveContacts(DataStoreHost* host) {
-  File file = openWrite(_fs, "/contacts3");
+  File file = openWrite(_getContactsChannelsFS(), "/contacts3");
   if (file) {
     uint32_t idx = 0;
     ContactInfo c;
@@ -269,11 +319,15 @@ void DataStore::saveContacts(DataStoreHost* host) {
 }
 
 void DataStore::loadChannels(DataStoreHost* host) {
+#if defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
+  if (_getContactsChannelsFS()->exists("/channels2")) {
+    File file = _getContactsChannelsFS()->open("/channels2");
+#elif defined(RP2040_PLATFORM)
   if (_fs->exists("/channels2")) {
-#if defined(RP2040_PLATFORM)
     File file = _fs->open("/channels2", "r");
 #else
-    File file = _fs->open("/channels2");
+  if (_fs->exists("/channels2")) {
+    File file = _fs->open("/channels2", "r", false);
 #endif
     if (file) {
       bool full = false;
@@ -300,7 +354,7 @@ void DataStore::loadChannels(DataStoreHost* host) {
 }
 
 void DataStore::saveChannels(DataStoreHost* host) {
-  File file = openWrite(_fs, "/channels2");
+  File file = openWrite(_getContactsChannelsFS(), "/channels2");
   if (file) {
     uint8_t channel_idx = 0;
     ChannelDetails ch;
@@ -331,12 +385,12 @@ struct BlobRec {
 };
 
 void DataStore::checkAdvBlobFile() {
-  if (!_fs->exists("/adv_blobs")) {
-    File file = openWrite(_fs, "/adv_blobs");
+  if (!_getContactsChannelsFS()->exists("/adv_blobs")) {
+    File file = openWrite(_getContactsChannelsFS(), "/adv_blobs");
     if (file) {
       BlobRec zeroes;
       memset(&zeroes, 0, sizeof(zeroes));
-      for (int i = 0; i < 20; i++) {     // pre-allocate to fixed size
+      for (int i = 0; i < MAX_BLOBRECS; i++) {     // pre-allocate to fixed size
         file.write((uint8_t *) &zeroes, sizeof(zeroes));
       }
       file.close();
@@ -344,10 +398,117 @@ void DataStore::checkAdvBlobFile() {
   }
 }
 
-uint8_t DataStore::getBlobByKey(const uint8_t key[], int key_len, uint8_t dest_buf[]) {
-  File file = _fs->open("/adv_blobs");
-  uint8_t len = 0;  // 0 = not found
+void DataStore::migrateToSecondaryFS() {
+  // migrate old adv_blobs, contacts3 and channels2 files to secondary FS if they don't already exist
+  if (!_fsExtra->exists("/adv_blobs")) {
+    if (_fs->exists("/adv_blobs")) {
+    File oldAdvBlobs = openRead(_fs, "/adv_blobs");
+    File newAdvBlobs = openWrite(_fsExtra, "/adv_blobs");
 
+    if (oldAdvBlobs && newAdvBlobs) {
+      BlobRec rec;
+      size_t count = 0;
+
+      // Copy 20 BlobRecs from old to new
+      while (count < 20 && oldAdvBlobs.read((uint8_t *)&rec, sizeof(rec)) == sizeof(rec)) {
+        newAdvBlobs.seek(count * sizeof(BlobRec));
+        newAdvBlobs.write((uint8_t *)&rec, sizeof(rec));
+        count++;
+      }
+    }
+    if (oldAdvBlobs) oldAdvBlobs.close();
+    if (newAdvBlobs) newAdvBlobs.close();
+    _fs->remove("/adv_blobs");
+    }
+  }
+  if (!_fsExtra->exists("/contacts3")) {
+    if (_fs->exists("/contacts3")) {
+      File oldFile = openRead(_fs, "/contacts3");
+      File newFile = openWrite(_fsExtra, "/contacts3");
+
+      if (oldFile && newFile) {
+        uint8_t buf[64];
+        int n;
+        while ((n = oldFile.read(buf, sizeof(buf))) > 0) {
+          newFile.write(buf, n);
+        }
+      }
+      if (oldFile) oldFile.close();
+      if (newFile) newFile.close();
+      _fs->remove("/contacts3");
+    }
+  }
+  if (!_fsExtra->exists("/channels2")) {
+    if (_fs->exists("/channels2")) {
+      File oldFile = openRead(_fs, "/channels2");
+      File newFile = openWrite(_fsExtra, "/channels2");
+
+      if (oldFile && newFile) {
+        uint8_t buf[64];
+        int n;
+        while ((n = oldFile.read(buf, sizeof(buf))) > 0) {
+          newFile.write(buf, n);
+        }
+      }
+      if (oldFile) oldFile.close();
+      if (newFile) newFile.close();
+      _fs->remove("/channels2");
+    }
+  }
+  // cleanup nodes which have been testing the extra fs, copy _main.id and new_prefs back to primary
+  if (_fsExtra->exists("/_main.id")) {
+      if (_fs->exists("/_main.id")) {_fs->remove("/_main.id");}
+      File oldFile = openRead(_fsExtra, "/_main.id");
+      File newFile = openWrite(_fs, "/_main.id");
+
+      if (oldFile && newFile) {
+        uint8_t buf[64];
+        int n;
+        while ((n = oldFile.read(buf, sizeof(buf))) > 0) {
+          newFile.write(buf, n);
+        }
+      }
+      if (oldFile) oldFile.close();
+      if (newFile) newFile.close();
+      _fsExtra->remove("/_main.id");
+  }
+  if (_fsExtra->exists("/new_prefs")) {
+    if (_fs->exists("/new_prefs")) {_fs->remove("/new_prefs");}
+      File oldFile = openRead(_fsExtra, "/new_prefs");
+      File newFile = openWrite(_fs, "/new_prefs");
+
+      if (oldFile && newFile) {
+        uint8_t buf[64];
+        int n;
+        while ((n = oldFile.read(buf, sizeof(buf))) > 0) {
+          newFile.write(buf, n);
+        }
+      }
+      if (oldFile) oldFile.close();
+      if (newFile) newFile.close();
+      _fsExtra->remove("/new_prefs");
+  }
+  // remove files from where they should not be anymore
+  if (_fs->exists("/adv_blobs")) {
+    _fs->remove("/adv_blobs");
+  }
+  if (_fs->exists("/contacts3")) {
+    _fs->remove("/contacts3");
+  }
+  if (_fs->exists("/channels2")) {
+    _fs->remove("/channels2");
+  }
+  if (_fsExtra->exists("/_main.id")) {
+    _fsExtra->remove("/_main.id");
+  }
+  if (_fsExtra->exists("/new_prefs")) {
+    _fsExtra->remove("/new_prefs");
+  }
+}
+
+uint8_t DataStore::getBlobByKey(const uint8_t key[], int key_len, uint8_t dest_buf[]) {
+  File file = _getContactsChannelsFS()->open("/adv_blobs");
+  uint8_t len = 0;  // 0 = not found
   if (file) {
     BlobRec tmp;
     while (file.read((uint8_t *) &tmp, sizeof(tmp)) == sizeof(tmp)) {
@@ -364,10 +525,8 @@ uint8_t DataStore::getBlobByKey(const uint8_t key[], int key_len, uint8_t dest_b
 
 bool DataStore::putBlobByKey(const uint8_t key[], int key_len, const uint8_t src_buf[], uint8_t len) {
   if (len < PUB_KEY_SIZE+4+SIGNATURE_SIZE || len > MAX_ADVERT_PKT_LEN) return false;
-
   checkAdvBlobFile();
-
-  File file = _fs->open("/adv_blobs", FILE_O_WRITE);
+  File file = _getContactsChannelsFS()->open("/adv_blobs", FILE_O_WRITE);
   if (file) {
     uint32_t pos = 0, found_pos = 0;
     uint32_t min_timestamp = 0xFFFFFFFF;
diff --git a/examples/companion_radio/DataStore.h b/examples/companion_radio/DataStore.h
index 7bd33301..62580942 100644
--- a/examples/companion_radio/DataStore.h
+++ b/examples/companion_radio/DataStore.h
@@ -15,6 +15,7 @@ public:
 
 class DataStore {
   FILESYSTEM* _fs;
+  FILESYSTEM* _fsExtra;
   mesh::RTCClock* _clock;
   IdentityStore identity_store;
 
@@ -25,8 +26,11 @@ class DataStore {
 
 public:
   DataStore(FILESYSTEM& fs, mesh::RTCClock& clock);
+  DataStore(FILESYSTEM& fs, FILESYSTEM& fsExtra, mesh::RTCClock& clock);
   void begin();
   bool formatFileSystem();
+  FILESYSTEM* getPrimaryFS() const { return _fs; }
+  FILESYSTEM* getSecondaryFS() const { return _fsExtra; }
   bool loadMainIdentity(mesh::LocalIdentity &identity);
   bool saveMainIdentity(const mesh::LocalIdentity &identity);
   void loadPrefs(NodePrefs& prefs, double& node_lat, double& node_lon);
@@ -35,10 +39,16 @@ public:
   void saveContacts(DataStoreHost* host);
   void loadChannels(DataStoreHost* host);
   void saveChannels(DataStoreHost* host);
+  void migrateToSecondaryFS();
   uint8_t getBlobByKey(const uint8_t key[], int key_len, uint8_t dest_buf[]);
   bool putBlobByKey(const uint8_t key[], int key_len, const uint8_t src_buf[], uint8_t len);
   File openRead(const char* filename);
+  File openRead(FILESYSTEM* fs, const char* filename);
   bool removeFile(const char* filename);
+  bool removeFile(FILESYSTEM* fs, const char* filename);
   uint32_t getStorageUsedKb() const;
   uint32_t getStorageTotalKb() const;
+
+private:
+  FILESYSTEM* _getContactsChannelsFS() const { if (_fsExtra) return _fsExtra; return _fs;};
 };
diff --git a/examples/companion_radio/MyMesh.cpp b/examples/companion_radio/MyMesh.cpp
index 1fa5478b..7847d652 100644
--- a/examples/companion_radio/MyMesh.cpp
+++ b/examples/companion_radio/MyMesh.cpp
@@ -1524,33 +1524,72 @@ void MyMesh::checkCLIRescueCmd() {
 
       // get path from command e.g: "ls /adafruit"
       const char *path = &cli_command[3];
-      
+
+      bool is_fs2 = false;
+      if (memcmp(path, "UserData/", 9) == 0) {
+        path += 8; // skip "UserData"
+      } else if (memcmp(path, "ExtraFS/", 8) == 0) {
+        path += 7; // skip "ExtraFS"
+        is_fs2 = true;
+      }
+      Serial.printf("Listing files in %s\n", path);
+
       // log each file and directory
       File root = _store->openRead(path);
-      if(root){
-        File file = root.openNextFile();
-        while (file) {
-
-          if (file.isDirectory()) {
-            Serial.printf("[dir] %s\n", file.name());
-          } else {
-            Serial.printf("[file] %s (%d bytes)\n", file.name(), file.size());
+      if (is_fs2 == false) {
+        if (root) {
+          File file = root.openNextFile();
+          while (file) {
+            if (file.isDirectory()) {
+              Serial.printf("[dir]  UserData%s/%s\n", path, file.name());
+            } else {
+              Serial.printf("[file] UserData%s/%s (%d bytes)\n", path, file.name(), file.size());
+            }
+            // move to next file
+            file = root.openNextFile();
           }
-
-          // move to next file
-          file = root.openNextFile();
-
+          root.close();
         }
-        root.close();
       }
 
+      if (is_fs2 == true || strlen(path) == 0 || strcmp(path, "/") == 0) {
+        if (_store->getSecondaryFS() != nullptr) {
+          File root2 = _store->openRead(_store->getSecondaryFS(), path);
+          File file = root2.openNextFile();
+          while (file) {
+            if (file.isDirectory()) {
+              Serial.printf("[dir]  ExtraFS%s/%s\n", path, file.name());
+            } else {
+              Serial.printf("[file] ExtraFS%s/%s (%d bytes)\n", path, file.name(), file.size());
+            }
+            // move to next file
+            file = root2.openNextFile();
+          }
+          root2.close();
+        }
+      }
     } else if (memcmp(cli_command, "cat", 3) == 0) {
 
       // get path from command e.g: "cat /contacts3"
       const char *path = &cli_command[4];
       
+      bool is_fs2 = false;
+      if (memcmp(path, "UserData/", 9) == 0) {
+        path += 8; // skip "UserData"
+      } else if (memcmp(path, "ExtraFS/", 8) == 0) {
+        path += 7; // skip "ExtraFS"
+        is_fs2 = true;
+      } else {
+        Serial.println("Invalid path provided, must start with UserData/ or ExtraFS/");
+        cli_command[0] = 0;
+        return;
+      }
+
       // log file content as hex
       File file = _store->openRead(path);
+      if (is_fs2 == true) {
+        file = _store->openRead(_store->getSecondaryFS(), path);
+      }
       if(file){
 
         // get file content
@@ -1567,17 +1606,30 @@ void MyMesh::checkCLIRescueCmd() {
       }
 
     } else if (memcmp(cli_command, "rm ", 3) == 0) {
-
       // get path from command e.g: "rm /adv_blobs"
-      const char *path = &cli_command[4];
-
+      const char *path = &cli_command[3];
+      MESH_DEBUG_PRINTLN("Removing file: %s", path);
       // ensure path is not empty, or root dir
       if(!path || strlen(path) == 0 || strcmp(path, "/") == 0){
         Serial.println("Invalid path provided");
       } else {
+      bool is_fs2 = false;
+      if (memcmp(path, "UserData/", 9) == 0) {
+        path += 8; // skip "UserData"
+      } else if (memcmp(path, "ExtraFS/", 8) == 0) {
+        path += 7; // skip "ExtraFS"
+        is_fs2 = true;
+      }
 
         // remove file
-        bool removed = _store->removeFile(path);
+        bool removed;
+        if (is_fs2) {
+          MESH_DEBUG_PRINTLN("Removing file from ExtraFS: %s", path);
+          removed = _store->removeFile(_store->getSecondaryFS(), path);
+        } else {
+          MESH_DEBUG_PRINTLN("Removing file from UserData: %s", path);
+          removed = _store->removeFile(path);
+        }
         if(removed){
           Serial.println("File removed");
         } else {
diff --git a/examples/companion_radio/main.cpp b/examples/companion_radio/main.cpp
index 1d5ec564..89adca59 100644
--- a/examples/companion_radio/main.cpp
+++ b/examples/companion_radio/main.cpp
@@ -14,7 +14,18 @@ static uint32_t _atoi(const char* sp) {
 
 #if defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
   #include <InternalFileSystem.h>
-  DataStore store(InternalFS, rtc_clock);
+  #if defined(QSPIFLASH)
+    #include <CustomLFS_QSPIFlash.h>
+    DataStore store(InternalFS, QSPIFlash, rtc_clock);
+  #else
+  #if defined(EXTRAFS)
+    #include <CustomLFS.h>
+    CustomLFS ExtraFS(0xD4000, 0x19000, 128);
+    DataStore store(InternalFS, ExtraFS, rtc_clock);
+  #else
+    DataStore store(InternalFS, rtc_clock);
+  #endif
+  #endif
 #elif defined(RP2040_PLATFORM)
   #include <LittleFS.h>
   DataStore store(LittleFS, rtc_clock);
@@ -118,6 +129,18 @@ void setup() {
 
 #if defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
   InternalFS.begin();
+  #if defined(QSPIFLASH)
+    if (!QSPIFlash.begin()) {
+      // debug output might not be available at this point, might be too early. maybe should fall back to InternalFS here?
+      MESH_DEBUG_PRINTLN("CustomLFS_QSPIFlash: failed to initialize");
+    } else {
+      MESH_DEBUG_PRINTLN("CustomLFS_QSPIFlash: initialized successfully");
+    }
+  #else
+  #if defined(EXTRAFS)
+      ExtraFS.begin();
+  #endif
+  #endif
   store.begin();
   the_mesh.begin(
     #ifdef DISPLAY_CLASS
diff --git a/platformio.ini b/platformio.ini
index 1c89465f..c08cd853 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -78,6 +78,10 @@ platform = nordicnrf52
 build_flags = ${arduino_base.build_flags}
   -D NRF52_PLATFORM
   -D LFS_NO_ASSERT=1
+  -D EXTRAFS=1
+lib_deps =
+  ${arduino_base.lib_deps}
+  https://github.com/oltaco/CustomLFS @ 0.2
 
 ; ----------------- RP2040 ---------------------
 
diff --git a/src/helpers/IdentityStore.h b/src/helpers/IdentityStore.h
index e81290e7..d0d7ee45 100644
--- a/src/helpers/IdentityStore.h
+++ b/src/helpers/IdentityStore.h
@@ -9,7 +9,6 @@
 
   using namespace Adafruit_LittleFS_Namespace;
 #endif
-
 #include <Identity.h>
 
 class IdentityStore {
@@ -18,7 +17,8 @@ class IdentityStore {
 public:
   IdentityStore(FILESYSTEM& fs, const char* dir): _fs(&fs), _dir(dir) { }
 
-  void begin() { if (_dir && _dir[0] == '/') { _fs->mkdir(_dir); } }
+  void begin() {
+     if (_dir && _dir[0] == '/') { _fs->mkdir(_dir); } }
   bool load(const char *name, mesh::LocalIdentity& id);
   bool load(const char *name, mesh::LocalIdentity& id, char display_name[], int max_name_sz);
   bool save(const char *name, const mesh::LocalIdentity& id);
diff --git a/variants/heltec_mesh_solar/platformio.ini b/variants/heltec_mesh_solar/platformio.ini
index 9fd3edd5..18c4ac73 100644
--- a/variants/heltec_mesh_solar/platformio.ini
+++ b/variants/heltec_mesh_solar/platformio.ini
@@ -59,8 +59,8 @@ build_flags =
 extends = Heltec_mesh_solar
 build_flags =
   ${Heltec_mesh_solar.build_flags}
-  -D MAX_CONTACTS=100
-  -D MAX_GROUP_CHANNELS=8
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
   -D BLE_PIN_CODE=123456
 ;  -D BLE_DEBUG_LOGGING=1
   -D OFFLINE_QUEUE_SIZE=256
@@ -77,8 +77,8 @@ lib_deps =
 extends = Heltec_mesh_solar
 build_flags =
   ${Heltec_mesh_solar.build_flags}
-  -D MAX_CONTACTS=100
-  -D MAX_GROUP_CHANNELS=8
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
 ;  -D BLE_PIN_CODE=123456
 ;  -D BLE_DEBUG_LOGGING=1
 ;  -D MESH_PACKET_LOGGING=1
diff --git a/variants/heltec_t114/platformio.ini b/variants/heltec_t114/platformio.ini
index 2cac2eae..7222bb11 100644
--- a/variants/heltec_t114/platformio.ini
+++ b/variants/heltec_t114/platformio.ini
@@ -74,8 +74,8 @@ extends = Heltec_t114
 build_flags =
   ${Heltec_t114.build_flags}
   -I examples/companion_radio/ui-new
-  -D MAX_CONTACTS=100
-  -D MAX_GROUP_CHANNELS=8
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
   -D BLE_PIN_CODE=123456
 ;  -D BLE_DEBUG_LOGGING=1
   -D OFFLINE_QUEUE_SIZE=256
@@ -94,8 +94,8 @@ extends = Heltec_t114
 build_flags =
   ${Heltec_t114.build_flags}
   -I examples/companion_radio/ui-new
-  -D MAX_CONTACTS=100
-  -D MAX_GROUP_CHANNELS=8
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
 ;  -D BLE_PIN_CODE=123456
 ;  -D BLE_DEBUG_LOGGING=1
 ;  -D MESH_PACKET_LOGGING=1
diff --git a/variants/ikoka_stick_nrf/platformio.ini b/variants/ikoka_stick_nrf/platformio.ini
index 6e6ae101..1f2bbfe9 100644
--- a/variants/ikoka_stick_nrf/platformio.ini
+++ b/variants/ikoka_stick_nrf/platformio.ini
@@ -103,8 +103,8 @@ build_src_filter = ${nrf52840_xiao.build_src_filter}
 extends = ikoka_stick_nrf_baseboard
 build_flags =
   ${ikoka_stick_nrf_baseboard.build_flags}
-  -D MAX_CONTACTS=100
-  -D MAX_GROUP_CHANNELS=8
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
   -D BLE_PIN_CODE=123456
   -D OFFLINE_QUEUE_SIZE=256
   -I examples/companion_radio/ui-new
@@ -123,8 +123,8 @@ lib_deps =
 extends = ikoka_stick_nrf_baseboard
 build_flags =
   ${ikoka_stick_nrf_baseboard.build_flags}
-  -D MAX_CONTACTS=100
-  -D MAX_GROUP_CHANNELS=8
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
   -I examples/companion_radio/ui-new
 ;  -D MESH_PACKET_LOGGING=1
 ;  -D MESH_DEBUG=1
diff --git a/variants/lilygo_techo/platformio.ini b/variants/lilygo_techo/platformio.ini
index 8a090a4d..91223205 100644
--- a/variants/lilygo_techo/platformio.ini
+++ b/variants/lilygo_techo/platformio.ini
@@ -82,8 +82,9 @@ build_flags =
   ${LilyGo_T-Echo.build_flags}
   -I src/helpers/ui
   -I examples/companion_radio/ui-new
-  -D MAX_CONTACTS=100
-  -D MAX_GROUP_CHANNELS=8
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
+  -D QSPIFLASH=1
   -D BLE_PIN_CODE=123456
 ;  -D BLE_DEBUG_LOGGING=1
   -D OFFLINE_QUEUE_SIZE=256
diff --git a/variants/minewsemi_me25ls01/platformio.ini b/variants/minewsemi_me25ls01/platformio.ini
index 3436062f..71887002 100644
--- a/variants/minewsemi_me25ls01/platformio.ini
+++ b/variants/minewsemi_me25ls01/platformio.ini
@@ -52,8 +52,8 @@ lib_deps = ${nrf52840_me25ls01.lib_deps}
 extends = me25ls01
 build_flags = ${me25ls01.build_flags}
   -I examples/companion_radio/ui-orig
-  -D MAX_CONTACTS=100
-  -D MAX_GROUP_CHANNELS=8
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
   -D BLE_PIN_CODE=123456
 ;  -D BLE_DEBUG_LOGGING=1
   -D MESH_PACKET_LOGGING=1
@@ -149,8 +149,8 @@ lib_deps = ${me25ls01.lib_deps}
 extends = me25ls01
 build_flags = ${me25ls01.build_flags}
   -I examples/companion_radio/ui-orig
-  -D MAX_CONTACTS=100
-  -D MAX_GROUP_CHANNELS=8
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
   ;-D BLE_PIN_CODE=123456
 ;  -D BLE_DEBUG_LOGGING=1
   -D MESH_PACKET_LOGGING=1
diff --git a/variants/nano_g2_ultra/platformio.ini b/variants/nano_g2_ultra/platformio.ini
index 7fb2de28..163f4311 100644
--- a/variants/nano_g2_ultra/platformio.ini
+++ b/variants/nano_g2_ultra/platformio.ini
@@ -35,13 +35,14 @@ build_flags =
   ${Nano_G2_Ultra.build_flags}
   -I src/helpers/ui
   -I examples/companion_radio/ui-new
-  -D MAX_CONTACTS=100
-  -D MAX_GROUP_CHANNELS=8
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
   -D BLE_PIN_CODE=123456
 ;  -D BLE_DEBUG_LOGGING=0
   -D OFFLINE_QUEUE_SIZE=256
   -D DISPLAY_CLASS=SH1106Display
   -D PIN_BUZZER=4
+  -D QSPIFLASH=1
 ;  -D MESH_PACKET_LOGGING=1
 ;  -D MESH_DEBUG=1
 build_src_filter = ${Nano_G2_Ultra.build_src_filter}
@@ -65,8 +66,8 @@ build_flags =
   ${Nano_G2_Ultra.build_flags}
   -I src/helpers/ui
   -I examples/companion_radio/ui-new
-  -D MAX_CONTACTS=100
-  -D MAX_GROUP_CHANNELS=8
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
   -D OFFLINE_QUEUE_SIZE=256
   -D DISPLAY_CLASS=SH1106Display
   -D PIN_BUZZER=4
diff --git a/variants/promicro/platformio.ini b/variants/promicro/platformio.ini
index 6b77bdcf..5a70f7ba 100644
--- a/variants/promicro/platformio.ini
+++ b/variants/promicro/platformio.ini
@@ -88,8 +88,8 @@ lib_deps = ${Faketec.lib_deps}
 extends = Faketec
 build_flags = ${Faketec.build_flags}
   -I examples/companion_radio/ui-new
-  -D MAX_CONTACTS=100
-  -D MAX_GROUP_CHANNELS=8
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
   -D DISPLAY_CLASS=SSD1306Display
 ; NOTE: DO NOT ENABLE -->  -D MESH_PACKET_LOGGING=1
 ; NOTE: DO NOT ENABLE -->  -D MESH_DEBUG=1
@@ -106,8 +106,8 @@ lib_deps = ${Faketec.lib_deps}
 extends = Faketec
 build_flags = ${Faketec.build_flags}
   -I examples/companion_radio/ui-new
-  -D MAX_CONTACTS=100
-  -D MAX_GROUP_CHANNELS=8
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
   -D BLE_PIN_CODE=123456
   -D BLE_DEBUG_LOGGING=1
   -D OFFLINE_QUEUE_SIZE=256
diff --git a/variants/rak4631/platformio.ini b/variants/rak4631/platformio.ini
index c9091878..7e7d2234 100644
--- a/variants/rak4631/platformio.ini
+++ b/variants/rak4631/platformio.ini
@@ -70,8 +70,8 @@ build_flags =
   -D PIN_USER_BTN=9
   -D PIN_USER_BTN_ANA=31
   -D DISPLAY_CLASS=SSD1306Display
-  -D MAX_CONTACTS=100
-  -D MAX_GROUP_CHANNELS=8
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
 ; NOTE: DO NOT ENABLE -->  -D MESH_PACKET_LOGGING=1
 ; NOTE: DO NOT ENABLE -->  -D MESH_DEBUG=1
 build_src_filter = ${rak4631.build_src_filter}
@@ -89,8 +89,8 @@ build_flags =
   -D PIN_USER_BTN=9
   -D PIN_USER_BTN_ANA=31
   -D DISPLAY_CLASS=SSD1306Display
-  -D MAX_CONTACTS=100
-  -D MAX_GROUP_CHANNELS=8
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
   -D BLE_PIN_CODE=123456
   -D BLE_DEBUG_LOGGING=1
   -D OFFLINE_QUEUE_SIZE=256
diff --git a/variants/sensecap_solar/platformio.ini b/variants/sensecap_solar/platformio.ini
index bbac5d99..649ace84 100644
--- a/variants/sensecap_solar/platformio.ini
+++ b/variants/sensecap_solar/platformio.ini
@@ -76,8 +76,8 @@ build_src_filter = ${SenseCap_Solar.build_src_filter}
 extends = SenseCap_Solar
 build_flags =
   ${SenseCap_Solar.build_flags}
-  -D MAX_CONTACTS=100
-  -D MAX_GROUP_CHANNELS=8
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
   -D BLE_PIN_CODE=123456
   -D OFFLINE_QUEUE_SIZE=256
 ;  -D BLE_DEBUG_LOGGING=1
@@ -94,8 +94,8 @@ lib_deps =
 extends = SenseCap_Solar
 build_flags =
   ${SenseCap_Solar.build_flags}
-  -D MAX_CONTACTS=100
-  -D MAX_GROUP_CHANNELS=8
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
 ;  -D MESH_PACKET_LOGGING=1
 ;  -D MESH_DEBUG=1
 build_src_filter = ${SenseCap_Solar.build_src_filter}
diff --git a/variants/t1000-e/platformio.ini b/variants/t1000-e/platformio.ini
index 044fffd8..d7b43cce 100644
--- a/variants/t1000-e/platformio.ini
+++ b/variants/t1000-e/platformio.ini
@@ -91,8 +91,8 @@ lib_deps = ${t1000-e.lib_deps}
 extends = t1000-e
 build_flags = ${t1000-e.build_flags}
   -I examples/companion_radio/ui-orig
-  -D MAX_CONTACTS=100
-  -D MAX_GROUP_CHANNELS=8
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
   -D BLE_PIN_CODE=123456
 ;  -D BLE_DEBUG_LOGGING=1
 ;  -D MESH_PACKET_LOGGING=1
diff --git a/variants/thinknode_m1/platformio.ini b/variants/thinknode_m1/platformio.ini
index e29e1471..a530d259 100644
--- a/variants/thinknode_m1/platformio.ini
+++ b/variants/thinknode_m1/platformio.ini
@@ -71,8 +71,8 @@ build_flags =
   ${ThinkNode_M1.build_flags}
   -I src/helpers/ui
   -I examples/companion_radio/ui-new
-  -D MAX_CONTACTS=100
-  -D MAX_GROUP_CHANNELS=8
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
   -D BLE_PIN_CODE=123456
   -D BLE_DEBUG_LOGGING=1
   -D DISPLAY_ROTATION=4
@@ -80,6 +80,7 @@ build_flags =
   -D OFFLINE_QUEUE_SIZE=256
   -D PIN_BUZZER=6
   -D AUTO_SHUTDOWN_MILLIVOLTS=3300
+  -D QSPIFLASH=1
 ;  -D MESH_PACKET_LOGGING=1
 ;  -D MESH_DEBUG=1
 build_src_filter = ${ThinkNode_M1.build_src_filter}
diff --git a/variants/thinknode_m1/variant.h b/variants/thinknode_m1/variant.h
index 2b58e341..f7f52a6a 100644
--- a/variants/thinknode_m1/variant.h
+++ b/variants/thinknode_m1/variant.h
@@ -110,6 +110,15 @@ extern const int MISO;
 extern const int MOSI;
 extern const int SCK;
 
+////////////////////////////////////////////////////////////////////////////////
+// QSPI
+#define PIN_QSPI_SCK (46)
+#define PIN_QSPI_CS  (47)
+#define PIN_QSPI_IO0 (44)  // MOSI if using two bit interface
+#define PIN_QSPI_IO1 (45)  // MISO if using two bit interface
+#define PIN_QSPI_IO2 (7)   // WP if using two bit interface (i.e. not used)
+#define PIN_QSPI_IO3 (5)   // HOLD if using two bit interface (i.e. not used)
+
 ////////////////////////////////////////////////////////////////////////////////
 // Display
 
diff --git a/variants/wio-tracker-l1/platformio.ini b/variants/wio-tracker-l1/platformio.ini
index be0086c4..87670bd0 100644
--- a/variants/wio-tracker-l1/platformio.ini
+++ b/variants/wio-tracker-l1/platformio.ini
@@ -79,13 +79,14 @@ lib_deps = ${WioTrackerL1.lib_deps}
 extends = WioTrackerL1
 build_flags = ${WioTrackerL1.build_flags}
   -I examples/companion_radio/ui-new
-  -D MAX_CONTACTS=100
-  -D MAX_GROUP_CHANNELS=8
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
   -D BLE_PIN_CODE=123456
   -D BLE_DEBUG_LOGGING=1
   -D OFFLINE_QUEUE_SIZE=256
   -D DISPLAY_CLASS=SH1106Display
   -D PIN_BUZZER=12
+  -D QSPIFLASH=1
   ; -D MESH_PACKET_LOGGING=1
   ; -D MESH_DEBUG=1
 build_src_filter = ${WioTrackerL1.build_src_filter}
diff --git a/variants/xiao_nrf52/platformio.ini b/variants/xiao_nrf52/platformio.ini
index fd4c362b..10807476 100644
--- a/variants/xiao_nrf52/platformio.ini
+++ b/variants/xiao_nrf52/platformio.ini
@@ -59,13 +59,14 @@ upload_protocol = nrfutil
 extends = Xiao_nrf52
 build_flags =
   ${Xiao_nrf52.build_flags}
-  -D MAX_CONTACTS=100
-  -D MAX_GROUP_CHANNELS=8
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
   -D BLE_PIN_CODE=123456
   -D OFFLINE_QUEUE_SIZE=256
 ;  -D BLE_DEBUG_LOGGING=1
 ;  -D MESH_PACKET_LOGGING=1
-;  -D MESH_DEBUG=1
+  -D MESH_DEBUG=1
+  -D QSPIFLASH=1
 build_src_filter = ${Xiao_nrf52.build_src_filter}
   +<helpers/nrf52/SerialBLEInterface.cpp>
   +<../examples/companion_radio/*.cpp>
@@ -77,8 +78,8 @@ lib_deps =
 extends = Xiao_nrf52
 build_flags =
   ${Xiao_nrf52.build_flags}
-  -D MAX_CONTACTS=100
-  -D MAX_GROUP_CHANNELS=8
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
 ;  -D MESH_PACKET_LOGGING=1
 ;  -D MESH_DEBUG=1
 build_src_filter = ${Xiao_nrf52.build_src_filter}