diff --git a/GpsTracker/Config.h b/GpsTracker/Config.h
index d3e91b0..f4c689c 100644
--- a/GpsTracker/Config.h
+++ b/GpsTracker/Config.h
@@ -59,18 +59,18 @@ struct sleepTimings_t {
 };
 
 struct config_t {
-	uint8_t seed;
-	char version[5];
-	uint16_t firstEntry;
-	uint16_t lastEntry;
+	uint8_t seed;					//sizeof = 1
+	char version[5];				//sizeof = 5
+	uint16_t firstEntry;			//sizeof = 2
+	uint16_t lastEntry;				//sizeof = 2
 #if BACKUP_ENABLE_NETWORK
-	networkConfig_t network;
+	networkConfig_t network;		//sizeof = 73
 #endif
-	uint8_t alertBatteryLevel1;
-	uint8_t alertBatteryLevel2;
-	uint8_t alertBatteryLevelClear;
-	char contactPhone[15];
-};
+	uint8_t alertBatteryLevel1;		//sizeof = 1
+	uint8_t alertBatteryLevel2;		//sizeof = 1
+	uint8_t alertBatteryLevelClear; //sizeof = 1
+	char contactPhone[15];			//sizeof = 15
+};									//sizeof = 28 + 73 = 101
 
 namespace config {
 
diff --git a/GpsTracker/NetworkPositionsConfig.h b/GpsTracker/NetworkPositionsConfig.h
index 3313b16..a363b7f 100644
--- a/GpsTracker/NetworkPositionsConfig.h
+++ b/GpsTracker/NetworkPositionsConfig.h
@@ -9,8 +9,8 @@
 
 
 struct networkConfig_t {
-	uint8_t saveThreshold;
-	uint16_t lastSavedEntry;
-	char apn[20];
-	char url[50];
-};
\ No newline at end of file
+	uint8_t saveThreshold;		//sizeof = 1
+	uint16_t lastSavedEntry;	//sizeof = 2
+	char apn[20];				//sizeof = 20
+	char url[50];				//sizeof = 50
+};								//sizeof = 73
\ No newline at end of file