diff --git a/app/src/main/java/com/emanuelef/remote_capture/activities/AboutActivity.java b/app/src/main/java/com/emanuelef/remote_capture/activities/AboutActivity.java
index 6638ae62..68b33053 100644
--- a/app/src/main/java/com/emanuelef/remote_capture/activities/AboutActivity.java
+++ b/app/src/main/java/com/emanuelef/remote_capture/activities/AboutActivity.java
@@ -104,9 +104,16 @@ public class AboutActivity extends BaseActivity {
 
         content.findViewById(R.id.copy_id).setOnClickListener(v -> Utils.copyToClipboard(this, systemId));
 
+        boolean was_valid = billing.isPurchased(Billing.SUPPORTER_SKU);
+
         AlertDialog myDialog = new AlertDialog.Builder(this)
                 .setView(content)
-                .setPositiveButton(R.string.ok, (dialog, whichButton) -> billing.setLicense(unlockCode.getText().toString()))
+                .setPositiveButton(R.string.ok, (dialog, whichButton) -> {
+                    billing.setLicense(unlockCode.getText().toString());
+
+                    if(!was_valid && billing.isPurchased(Billing.SUPPORTER_SKU))
+                        Utils.showToastLong(this, R.string.paid_features_unlocked);
+                })
                 .setNeutralButton(R.string.validate, (dialog, which) -> {}) // see below
                 .create();
 
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 0cde54e8..3427e2f4 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -388,4 +388,5 @@
     <string name="remote_collector_notice">You have configured PCAPdroid to send traffic to a remote server. The server will be able to access your sensitive information.\n\nIf someone asked you to do this, it is probably a scam attempt</string>
     <string name="remote_server_warning">For security reasons, sending traffic to the remote server \"%1$s\" is not allowed"</string>
     <string name="warning">Warning</string>
+    <string name="paid_features_unlocked">Paid features unlocked. Restart the capture if running</string>
 </resources>