diff --git a/MicroDexed.ino b/MicroDexed.ino
index 01fd586..42a0c1d 100644
--- a/MicroDexed.ino
+++ b/MicroDexed.ino
@@ -303,6 +303,7 @@ elapsedMillis midi_bpm_timer;
 elapsedMillis long_button_pressed;
 elapsedMillis control_rate;
 elapsedMillis save_sys;
+bool save_sys_flag = false;
 uint8_t active_voices[NUM_DEXED];
 uint8_t midi_voices[NUM_DEXED];
 #ifdef SHOW_CPU_LOAD_MSEC
@@ -750,7 +751,7 @@ void loop()
     yield();
 
   // SAVE-SYS-EVENT-HANDLING
-  if (save_sys > SAVE_SYS_MS)
+  if (save_sys > SAVE_SYS_MS && save_sys_flag == true)
   {
 #ifdef DEBUG
     Serial.println(F("Check if we can save configuration.sys"));
@@ -1941,6 +1942,7 @@ void initial_values(bool init)
 
     check_configuration();
   }
+  configuration.sys.vol = EEPROM[EEPROM_START_ADDRESS + 3];
   set_volume(configuration.sys.vol, configuration.sys.mono);
 
 #ifdef DEBUG
@@ -1959,12 +1961,11 @@ void check_configuration(void)
 
 void check_configuration_sys(void)
 {
-  configuration.sys.instances = constrain(configuration.sys.instances, INSTANCES_MIN, INSTANCES_MAX);
   configuration.sys.vol = constrain(configuration.sys.vol, VOLUME_MIN, VOLUME_MAX);
   configuration.sys.mono = constrain(configuration.sys.mono, MONO_MIN, MONO_MAX);
   configuration.sys.soft_midi_thru = constrain(configuration.sys.soft_midi_thru, SOFT_MIDI_THRU_MIN, SOFT_MIDI_THRU_MAX);
-  configuration.sys.performance_number = constrain(configuration.sys.performance_number, PERFORMANCE_NUM_MIN, PERFORMANCE_NUM_MAX);
   configuration.sys.favorites = constrain(configuration.sys.favorites, FAVORITES_NUM_MIN, FAVORITES_NUM_MAX);
+  configuration.sys.performance_number = constrain(configuration.sys.performance_number, PERFORMANCE_NUM_MIN, PERFORMANCE_NUM_MAX);
 }
 
 void check_configuration_fx(void)
@@ -2056,7 +2057,6 @@ void init_configuration(void)
   Serial.println(F("INITIALIZING CONFIGURATION"));
 #endif
 
-  configuration.sys.instances = INSTANCES_DEFAULT;
   configuration.sys.vol = VOLUME_DEFAULT;
   configuration.sys.mono = MONO_DEFAULT;
   configuration.sys.soft_midi_thru = SOFT_MIDI_THRU_DEFAULT;
@@ -2142,6 +2142,7 @@ void eeprom_update(void)
   EEPROM.update(EEPROM_START_ADDRESS, (EEPROM_MARKER & 0xff00) >> 8);
   EEPROM.update(EEPROM_START_ADDRESS + 1, EEPROM_MARKER & 0xff);
   EEPROM.update(EEPROM_START_ADDRESS + 2, configuration.sys.performance_number);
+  EEPROM.update(EEPROM_START_ADDRESS + 3, configuration.sys.vol);
 }
 
 /******************************************************************************
@@ -2757,10 +2758,11 @@ void show_configuration(void)
   Serial.println();
   Serial.println(F("CONFIGURATION:"));
   Serial.println(F("System"));
-  Serial.print(F("  Instances           ")); Serial.println(configuration.sys.instances, DEC);
   Serial.print(F("  Volume              ")); Serial.println(configuration.sys.vol, DEC);
   Serial.print(F("  Mono                ")); Serial.println(configuration.sys.mono, DEC);
   Serial.print(F("  Soft MIDI Thru      ")); Serial.println(configuration.sys.soft_midi_thru, DEC);
+  Serial.print(F("  Favorites           ")); Serial.println(configuration.sys.favorites, DEC);
+  Serial.print(F("  Performance Number  ")); Serial.println(configuration.sys.performance_number, DEC);
   Serial.println(F("FX"));
   Serial.print(F("  Reverb Roomsize     ")); Serial.println(configuration.fx.reverb_roomsize, DEC);
   Serial.print(F("  Reverb Level        ")); Serial.println(configuration.fx.reverb_level, DEC);
diff --git a/UI.hpp b/UI.hpp
index 1a94be8..a4e185e 100644
--- a/UI.hpp
+++ b/UI.hpp
@@ -64,6 +64,7 @@ extern float midi_volume_transform(uint8_t midi_amp);
 extern float volume_transform(float amp);
 extern uint8_t selected_instance_id;
 extern char receive_bank_filename[FILENAME_LEN];
+extern void eeprom_update(void);
 
 #if NUM_DRUMS > 0
 #include "drums.h"
@@ -157,12 +158,14 @@ extern int perform_attack_mod[NUM_DEXED];
 extern int perform_release_mod[NUM_DEXED];
 extern float midi_ticks_factor[10];
 extern uint8_t midi_bpm;
+extern bool save_sys_flag;
+extern elapsedMillis save_sys;
+extern bool save_sys_flag;
 
 /***********************************************************************
    GLOBAL
 ************************************************************************/
 elapsedMillis back_from_volume;
-extern elapsedMillis save_sys;
 uint8_t instance_num[8][8];
 const char accepted_chars[] = " ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-abcdefghijklmnopqrstuvwxyz";
 const char noteNames[12][3] = { "C", "C#", "D", "D#", "E", "F", "F#", "G", "G#", "A", "A#", "B" };
@@ -2211,9 +2214,12 @@ void UI_func_panorama(uint8_t param)
 
 void UI_func_favorites(uint8_t param)
 {
+  static uint8_t old_favorites;
+
   if (LCDML.FUNC_setup())         // ****** SETUP *********
   {
     encoderDir[ENC_L].reset();
+    old_favorites = configuration.sys.favorites;
 
     lcd.setCursor(0, 0);
     lcd.print(F("Favorites"));
@@ -2261,15 +2267,26 @@ void UI_func_favorites(uint8_t param)
   }
 
   if (LCDML.FUNC_close())     // ****** STABLE END *********
+  {
+    lcd_special_chars(SCROLLBAR);
     encoderDir[ENC_L].reset();
+    if (old_favorites != configuration.sys.favorites)
+    {
+      save_sys_flag = true;
+      save_sys = 0;
+    }
+  }
 }
 
 
 void UI_func_stereo_mono(uint8_t param)
 {
+  static uint8_t old_mono;
+
   if (LCDML.FUNC_setup())         // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
+    old_mono = configuration.sys.mono;
 
     lcd.setCursor(0, 0);
     lcd.print(F("Stereo/Mono"));
@@ -2326,7 +2343,16 @@ void UI_func_stereo_mono(uint8_t param)
   }
 
   if (LCDML.FUNC_close())     // ****** STABLE END *********
-    encoderDir[ENC_R].reset();
+  {
+    lcd_special_chars(SCROLLBAR);
+    encoderDir[ENC_L].reset();
+
+    if (old_mono != configuration.sys.mono)
+    {
+      save_sys_flag = true;
+      save_sys = 0;
+    }
+  }
 }
 
 void UI_func_polyphony(uint8_t param)
@@ -6417,6 +6443,8 @@ void UI_func_information(uint8_t param)
 
 void UI_func_midi_soft_thru(uint8_t param)
 {
+  static uint8_t old_soft_midi_thru;
+
   if (LCDML.FUNC_setup())         // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -6448,7 +6476,15 @@ void UI_func_midi_soft_thru(uint8_t param)
   }
 
   if (LCDML.FUNC_close())     // ****** STABLE END *********
+  {
     encoderDir[ENC_R].reset();
+
+    if (old_soft_midi_thru != configuration.sys.soft_midi_thru)
+    {
+      save_sys_flag = true;
+      save_sys = 0;
+    }
+  }
 }
 
 void UI_func_smart_filter(uint8_t param)
@@ -6849,9 +6885,11 @@ void UI_func_voice_select(uint8_t param)
 void UI_func_volume(uint8_t param)
 {
   char tmp[6];
+  static uint8_t old_volume;
 
   if (LCDML.FUNC_setup())         // ****** SETUP *********
   {
+    old_volume = configuration.sys.vol;
 
     encoderDir[ENC_L].reset();
 
@@ -7015,8 +7053,12 @@ void UI_func_volume(uint8_t param)
     lcd_special_chars(SCROLLBAR);
     encoderDir[ENC_L].reset();
 
-    //EEPROM.update(EEPROM_START_ADDRESS + 3, configuration.sys.vol);
-    save_sys = 0;
+    if (old_volume != configuration.sys.vol)
+    {
+      eeprom_update();
+      save_sys_flag = true;
+      save_sys = 0;
+    }
   }
 }
 
diff --git a/config.h b/config.h
index f3715cc..963b354 100644
--- a/config.h
+++ b/config.h
@@ -748,7 +748,6 @@ typedef struct performance_s {
 } performance_t;
 
 typedef struct sys_s {
-  uint8_t instances;
   uint8_t vol;
   uint8_t mono;
   uint8_t soft_midi_thru;
diff --git a/dexed_sd.cpp b/dexed_sd.cpp
index d6f091d..9049fe6 100644
--- a/dexed_sd.cpp
+++ b/dexed_sd.cpp
@@ -90,6 +90,7 @@ extern float get_sample_vol_max(uint8_t sample);
 extern float get_sample_vol_min(uint8_t sample);
 extern float get_sample_reverb_send(uint8_t sample);
 extern uint8_t find_drum_number_from_note(uint8_t note);
+extern bool save_sys_flag;
 
 /******************************************************************************
    SD BANK/VOICE LOADING
@@ -979,7 +980,6 @@ bool load_sd_sys_json(void)
         Serial.println();
 #endif
 
-        configuration.sys.instances = data_json["instances"];
         configuration.sys.vol = data_json["vol"];
         configuration.sys.mono = data_json["mono"];
         configuration.sys.soft_midi_thru = data_json["soft_midi_thru"];
@@ -1033,7 +1033,6 @@ bool save_sd_sys_json(void)
     json = SD.open(filename, FILE_WRITE);
     if (json)
     {
-      data_json["instances"] = configuration.sys.instances;
       data_json["vol"] = configuration.sys.vol;
       data_json["mono"] = configuration.sys.mono;
       data_json["soft_midi_thru"] = configuration.sys.soft_midi_thru;
@@ -1048,6 +1047,7 @@ bool save_sd_sys_json(void)
       serializeJsonPretty(data_json, json);
       json.close();
       AudioInterrupts();
+      save_sys_flag = false;
       return (true);
     }
     json.close();