diff --git a/src/SerialConsole.cpp b/src/SerialConsole.cpp
index 485329ddc..e17c8f99e 100644
--- a/src/SerialConsole.cpp
+++ b/src/SerialConsole.cpp
@@ -72,7 +72,7 @@ bool SerialConsole::checkIsConnected()
 
 /**
  * we override this to notice when we've received a protobuf over the serial
- * stream.  Then we shunt off debug serial output.
+ * stream.  Then we shut off debug serial output.
  */
 bool SerialConsole::handleToRadio(const uint8_t *buf, size_t len)
 {
diff --git a/src/gps/GPS.cpp b/src/gps/GPS.cpp
index 2321ee246..18932e066 100644
--- a/src/gps/GPS.cpp
+++ b/src/gps/GPS.cpp
@@ -1209,6 +1209,11 @@ bool GPS::factoryReset()
         // byte _message_CFG_RST_COLDSTART[] = {0xB5, 0x62, 0x06, 0x04, 0x04, 0x00, 0xFF, 0xB9, 0x00, 0x00, 0xC6, 0x8B};
         // _serial_gps->write(_message_CFG_RST_COLDSTART, sizeof(_message_CFG_RST_COLDSTART));
         // delay(1000);
+    } else if (gnssModel == GNSS_MODEL_MTK) {
+        // send the CAS10 to perform a factory restart of the device (and other device that support PCAS statements)
+        LOG_INFO("GNSS Factory Reset via PCAS10,3\n");
+        _serial_gps->write("$PCAS10,3*1F\r\n");
+        delay(100);
     } else {
         // fire this for good measure, if we have an L76B - won't harm other devices.
         _serial_gps->write("$PMTK104*37\r\n");
diff --git a/src/mesh/PhoneAPI.cpp b/src/mesh/PhoneAPI.cpp
index 8e8d69156..e6b336d41 100644
--- a/src/mesh/PhoneAPI.cpp
+++ b/src/mesh/PhoneAPI.cpp
@@ -113,6 +113,9 @@ bool PhoneAPI::handleToRadio(const uint8_t *buf, size_t bufLength)
                          "not enabled\n");
             }
             break;
+        case meshtastic_ToRadio_heartbeat_tag:
+            LOG_DEBUG("Got client heartbeat\n");
+            break;
         default:
             // Ignore nop messages
             // LOG_DEBUG("Error: unexpected ToRadio variant\n");