diff --git a/src/js/Features.js b/src/js/Features.js
index dba4866e..06d00585 100644
--- a/src/js/Features.js
+++ b/src/js/Features.js
@@ -33,27 +33,27 @@ const Features = function (config) {
         );
     }
 
-    if (semver.gte(FC.CONFIG.apiVersion, "1.15.0") && !semver.gte(FC.CONFIG.apiVersion, API_VERSION_1_36)) {
+    if (semver.gte(config.apiVersion, "1.15.0") && !semver.gte(config.apiVersion, API_VERSION_1_36)) {
         features.push(
             {bit: 8, group: 'rxFailsafe', name: 'FAILSAFE', haveTip: true},
         );
     }
 
-    if (semver.gte(FC.CONFIG.apiVersion, "1.16.0")) {
+    if (semver.gte(config.apiVersion, "1.16.0")) {
         features.push(
             {bit: 21, group: 'other', name: 'TRANSPONDER', haveTip: true},
         );
     }
 
     if (config.flightControllerVersion !== '') {
-        if (semver.gte(FC.CONFIG.apiVersion, "1.16.0")) {
+        if (semver.gte(config.apiVersion, "1.16.0")) {
             features.push(
                 {bit: 22, group: 'other', name: 'AIRMODE'},
             );
         }
 
-        if (semver.gte(FC.CONFIG.apiVersion, "1.16.0")) {
-            if (semver.lt(FC.CONFIG.apiVersion, "1.20.0")) {
+        if (semver.gte(config.apiVersion, "1.16.0")) {
+            if (semver.lt(config.apiVersion, "1.20.0")) {
                 features.push(
                     {bit: 23, group: 'superexpoRates', name: 'SUPEREXPO_RATES'},
                 );
@@ -64,36 +64,36 @@ const Features = function (config) {
             }
         }
 
-        if (semver.gte(FC.CONFIG.apiVersion, "1.20.0")) {
+        if (semver.gte(config.apiVersion, "1.20.0")) {
             features.push(
                 {bit: 18, group: 'other', name: 'OSD'},
             );
-            if (!semver.gte(FC.CONFIG.apiVersion, API_VERSION_1_35)) {
+            if (!semver.gte(config.apiVersion, API_VERSION_1_35)) {
                 features.push(
                     {bit: 24, group: 'other', name: 'VTX'},
                 );
             }
         }
 
-        if (semver.gte(FC.CONFIG.apiVersion, API_VERSION_1_31)) {
+        if (semver.gte(config.apiVersion, API_VERSION_1_31)) {
             features.push(
                 {bit: 25, group: 'rxMode', mode: 'select', name: 'RX_SPI'},
                 {bit: 27, group: 'escSensor', name: 'ESC_SENSOR'},
             );
         }
 
-        if (semver.gte(FC.CONFIG.apiVersion, API_VERSION_1_36)) {
+        if (semver.gte(config.apiVersion, API_VERSION_1_36)) {
             features.push(
                 {bit: 28, group: 'antiGravity', name: 'ANTI_GRAVITY', haveTip: true, hideName: true},
             );
-            if (semver.lt(FC.CONFIG.apiVersion, API_VERSION_1_44)) { // DYNAMIC_FILTER got removed from FEATURES in BF 4.3 / API 1.44
+            if (semver.lt(config.apiVersion, API_VERSION_1_44)) { // DYNAMIC_FILTER got removed from FEATURES in BF 4.3 / API 1.44
                 features.push(
                     {bit: 29, group: 'other', name: 'DYNAMIC_FILTER'},
                 );
             }
         }
 
-        if (!semver.gte(FC.CONFIG.apiVersion, API_VERSION_1_36)) {
+        if (!semver.gte(config.apiVersion, API_VERSION_1_36)) {
             features.push(
                 {bit: 1, group: 'batteryVoltage', name: 'VBAT'},
                 {bit: 11, group: 'batteryCurrent', name: 'CURRENT_METER'},
@@ -125,14 +125,34 @@ Features.prototype.setMask = function (featureMask) {
 Features.prototype.isEnabled = function (featureName) {
     const self = this;
 
-    for (let i = 0; i < self._features.length; i++) {
-        if (self._features[i].name === featureName && bit_check(self._featureMask, self._features[i].bit)) {
+    for (const element of self._features) {
+        if (element.name === featureName && bit_check(self._featureMask, element.bit)) {
             return true;
         }
     }
     return false;
 };
 
+Features.prototype.enable = function (featureName) {
+    const self = this;
+
+    for (const element of self._features) {
+        if (element.name === featureName) {
+            self._featureMask = bit_set(self._featureMask, element.bit);
+        }
+    }
+};
+
+Features.prototype.disable = function (featureName) {
+    const self = this;
+
+    for (const element of self._features) {
+        if (element.name === featureName) {
+            self._featureMask = bit_clear(self._featureMask, element.bit);
+        }
+    }
+};
+
 Features.prototype.generateElements = function (featuresElements) {
     const self = this;
 
diff --git a/src/js/tabs/ports.js b/src/js/tabs/ports.js
index a4a40588..f270dd8a 100644
--- a/src/js/tabs/ports.js
+++ b/src/js/tabs/ports.js
@@ -124,6 +124,7 @@ ports.initialize = function (callback) {
         } else {
             promise = Promise.resolve();
         }
+
         promise.then(function() {
             mspHelper.loadSerialConfig(on_configuration_loaded_handler);
         });
@@ -385,7 +386,7 @@ ports.initialize = function (callback) {
         // update configuration based on current ui state
         FC.SERIAL_CONFIG.ports = [];
 
-        $('.tab-ports .portConfiguration').each(function (port, portConfig) {
+        $('.tab-ports .portConfiguration').each(function (_port, portConfig) {
 
             const serialPort = $(portConfig).data('serialPort');
 
@@ -426,10 +427,55 @@ ports.initialize = function (callback) {
                 blackbox_baudrate: blackboxBaudrate,
                 identifier: serialPort.identifier,
             };
+
             FC.SERIAL_CONFIG.ports.push(serialPortConfig);
         });
 
-        mspHelper.sendSerialConfig(save_to_eeprom);
+        // enable / disable features based on port configuration
+        const func = serialPortConfig.functions;
+        const featureConfig = FC.FEATURE_CONFIG.features;
+
+        const enableRxSerial = func.includes('RX_SERIAL');
+        const enableTelemetry = func.some(e => e.startsWith("TELEMETRY"));
+        const enableBlackbox = func.includes('BLACKBOX');
+        const enableEsc = func.includes('ESC_SENSOR');
+        const enableGps = func.includes('GPS');
+
+        if (enableRxSerial) {
+            featureConfig.enable('RX_SERIAL');
+        } else {
+            featureConfig.disable('RX_SERIAL');
+        }
+
+        if (enableTelemetry) {
+            featureConfig.enable('TELEMETRY');
+        } else {
+            featureConfig.disable('TELEMETRY');
+        }
+
+        if (enableBlackbox) {
+            featureConfig.enable('BLACKBOX');
+        } else {
+            featureConfig.disable('BLACKBOX');
+        }
+
+        if (enableEsc) {
+            featureConfig.enable('ESC_SENSOR');
+        } else {
+            featureConfig.disable('ESC_SENSOR');
+        }
+
+        if (enableGps) {
+            featureConfig.enable('GPS');
+        } else {
+            featureConfig.disable('GPS');
+        }
+
+        mspHelper.sendSerialConfig(save_features);
+
+        function save_features() {
+            MSP.send_message(MSPCodes.MSP_SET_FEATURE_CONFIG, mspHelper.crunch(MSPCodes.MSP_SET_FEATURE_CONFIG), false, save_to_eeprom);
+        }
 
         function save_to_eeprom() {
             MSP.send_message(MSPCodes.MSP_EEPROM_WRITE, false, false, on_saved_handler);