diff --git a/src/main.cpp b/src/main.cpp
index 1ceb0b3..6e60faa 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -350,6 +350,39 @@ void generalTask(void *pvParameters) {
     while (true) {
         checkBattery();
 
+        // Accept Serial input for keyconfig.json
+        if (Serial.available() > 0) {
+            String jsonString = Serial.readString();
+            Serial.println("Received JSON:");
+            Serial.println(jsonString);
+
+            // Parse JSON
+            DynamicJsonDocument doc(jsonDocSize);
+            deserializeJson(doc, jsonString);
+
+            // Check if JSON overflowed
+            if (doc.overflowed() || doc.isNull()) {
+                Serial.println("JSON overflowed or empty");
+            } else {
+                // Save JSON to SPIFFS as keyconfig.json
+                File configFile = SPIFFS.open("/keyconfig.json", "w");
+                if (!configFile) {
+                    Serial.println("Failed to open config file for writing");
+                }
+                if (!serializeJson(doc, configFile)) {
+                    Serial.println("Failed to write to config file");
+                }
+                configFile.close();
+
+                // Reload keymaps
+                keymapsNeedsUpdate = true;
+
+                // Show config updated message
+                configUpdated = true;
+                Serial.println("Config updated!");
+            }
+        }
+
         // if (isDetectingLastConnectedDevice && bleKeyboard.isConnected() &&
         //     bleKeyboard.getCounnectedCount() > 1) {
         // isDetectingLastConnectedDevice = false;