diff --git a/examples/Example19_DynamicModel/Example19_DynamicModel.ino b/examples/Example19_DynamicModel/Example19_DynamicModel.ino
index 0eb795b..980c2b6 100644
--- a/examples/Example19_DynamicModel/Example19_DynamicModel.ino
+++ b/examples/Example19_DynamicModel/Example19_DynamicModel.ino
@@ -1,7 +1,7 @@
 /*
   Set Dynamic Model
   By: Paul Clark (PaulZC)
-  Date: December 18th, 2019
+  Date: March 9th, 2020
   
   Based extensively on Example3_GetPosition
   By: Nathan Seidle
@@ -74,7 +74,7 @@ void setup()
     Serial.println("Dynamic platform model changed successfully!");
   }
 
-  //myGPS.saveConfiguration(); //Uncomment this line to save the current settings to flash and BBR
+  //myGPS.saveConfigSelective(VAL_CFG_SUBSEC_NAVCONF); //Uncomment this line to save only the NAV settings to flash and BBR
 }
 
 void loop()
diff --git a/keywords.txt b/keywords.txt
index b99387b..d6ce26b 100644
--- a/keywords.txt
+++ b/keywords.txt
@@ -37,6 +37,7 @@ getNavigationFrequency	KEYWORD2
 
 saveConfiguration	KEYWORD2
 factoryDefault	KEYWORD2
+saveConfigSelective	KEYWORD2
 
 waitForResponse	KEYWORD2
 
diff --git a/src/SparkFun_Ublox_Arduino_Library.cpp b/src/SparkFun_Ublox_Arduino_Library.cpp
index 844e45a..03f2400 100644
--- a/src/SparkFun_Ublox_Arduino_Library.cpp
+++ b/src/SparkFun_Ublox_Arduino_Library.cpp
@@ -164,6 +164,7 @@ const char *SFE_UBLOX_GPS::statusString(sfe_ublox_status_e stat)
 void SFE_UBLOX_GPS::factoryReset()
 {
   // Copy default settings to permanent
+  // Note: this does not load the permanent configuration into the current configuration. Calling factoryDefault() will do that.
   packetCfg.cls = UBX_CLASS_CFG;
   packetCfg.id = UBX_CFG_CFG;
   packetCfg.len = 13;
@@ -1205,6 +1206,31 @@ boolean SFE_UBLOX_GPS::saveConfiguration(uint16_t maxWait)
     packetCfg.payload[x] = 0;
 
   packetCfg.payload[4] = 0xFF; //Set any bit in the saveMask field to save current config to Flash and BBR
+  packetCfg.payload[5] = 0xFF;
+
+  if (sendCommand(packetCfg, maxWait) == false)
+    return (false); //If command send fails then bail
+
+  return (true);
+}
+
+//Save the selected configuration sub-sections to flash and BBR (battery backed RAM)
+//This still works but it is the old way of configuring ublox modules. See getVal and setVal for the new methods
+boolean SFE_UBLOX_GPS::saveConfigSelective(uint32_t configMask, uint16_t maxWait)
+{
+  packetCfg.cls = UBX_CLASS_CFG;
+  packetCfg.id = UBX_CFG_CFG;
+  packetCfg.len = 12;
+  packetCfg.startingSpot = 0;
+
+  //Clear packet payload
+  for (uint8_t x = 0; x < packetCfg.len; x++)
+    packetCfg.payload[x] = 0;
+
+  packetCfg.payload[4] = configMask & 0xFF; //Set the appropriate bits in the saveMask field to save current config to Flash and BBR
+  packetCfg.payload[5] = (configMask >> 8) & 0xFF;
+  packetCfg.payload[6] = (configMask >> 16) & 0xFF;
+  packetCfg.payload[7] = (configMask >> 24) & 0xFF;
 
   if (sendCommand(packetCfg, maxWait) == false)
     return (false); //If command send fails then bail
@@ -1226,7 +1252,9 @@ boolean SFE_UBLOX_GPS::factoryDefault(uint16_t maxWait)
     packetCfg.payload[x] = 0;
 
   packetCfg.payload[0] = 0xFF; //Set any bit in the clearMask field to clear saved config
+  packetCfg.payload[1] = 0xFF;
   packetCfg.payload[8] = 0xFF; //Set any bit in the loadMask field to discard current config and rebuild from lower non-volatile memory layers
+  packetCfg.payload[9] = 0xFF;
 
   if (sendCommand(packetCfg, maxWait) == false)
     return (false); //If command send fails then bail
diff --git a/src/SparkFun_Ublox_Arduino_Library.h b/src/SparkFun_Ublox_Arduino_Library.h
index f831ab8..30f28d5 100644
--- a/src/SparkFun_Ublox_Arduino_Library.h
+++ b/src/SparkFun_Ublox_Arduino_Library.h
@@ -350,6 +350,18 @@ const uint8_t VAL_GROUP_I2C_SIZE = VAL_SIZE_8; //All fields in I2C group are cur
 
 const uint8_t VAL_ID_I2C_ADDRESS = 0x01;
 
+// Configuration Sub-Section mask definitions for saveConfigSelective (UBX-CFG-CFG)
+const uint32_t VAL_CFG_SUBSEC_IOPORT = 0x00000001; // ioPort - communications port settings (causes IO system reset!)
+const uint32_t VAL_CFG_SUBSEC_MSGCONF = 0x00000002; // msgConf - message configuration
+const uint32_t VAL_CFG_SUBSEC_INFMSG = 0x00000004; // infMsg - INF message configuration
+const uint32_t VAL_CFG_SUBSEC_NAVCONF = 0x00000008; // navConf - navigation configuration
+const uint32_t VAL_CFG_SUBSEC_RXMCONF = 0x00000010; // rxmConf - receiver manager configuration
+const uint32_t VAL_CFG_SUBSEC_SENCONF = 0x00000100; // senConf - sensor interface configuration (requires protocol 19+)
+const uint32_t VAL_CFG_SUBSEC_RINVCONF = 0x00000200; // rinvConf - remove inventory configuration
+const uint32_t VAL_CFG_SUBSEC_ANTCONF = 0x00000400; // antConf - antenna configuration
+const uint32_t VAL_CFG_SUBSEC_LOGCONF = 0x00000800; // logConf - logging configuration
+const uint32_t VAL_CFG_SUBSEC_FTSCONF = 0x00001000; // ftsConf - FTS configuration (FTS products only)
+
 enum dynModel // Possible values for the dynamic platform model, which provide more accuract position output for the situation. Description extracted from ZED-F9P Integration Manual
 {
 	DYN_MODEL_PORTABLE = 0, //Applications with low acceleration, e.g. portable devices. Suitable for most situations.
@@ -446,6 +458,7 @@ class SFE_UBLOX_GPS
 	uint8_t getNavigationFrequency(uint16_t maxWait = 250);					 //Get the number of nav solutions sent per second currently being output by module
 	boolean saveConfiguration(uint16_t maxWait = 250);						 //Save current configuration to flash and BBR (battery backed RAM)
 	boolean factoryDefault(uint16_t maxWait = 250);							 //Reset module to factory defaults
+  boolean saveConfigSelective(uint32_t configMask, uint16_t maxWait = 250);						 //Save the selected configuration sub-sections to flash and BBR (battery backed RAM)
 
 	sfe_ublox_status_e waitForACKResponse(uint8_t requestedClass, uint8_t requestedID, uint16_t maxTime = 250);   //Poll the module until a config packet and an ACK is received
 	sfe_ublox_status_e waitForNoACKResponse(uint8_t requestedClass, uint8_t requestedID, uint16_t maxTime = 250); //Poll the module until a config packet is received