diff --git a/.gitignore b/.gitignore
index c05a75c7..69e1790d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -97,3 +97,6 @@ lint/tmp/
 
 # Android Profiling
 *.hprof
+
+android/key.propierties
+*.so
\ No newline at end of file
diff --git a/app/build.gradle b/app/build.gradle
index 04f9a231..496d1c14 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -11,11 +11,27 @@ plugins {
     id("org.spdx.sbom") version "0.7.0"
 }
 
+def keystoreProperties = new Properties()
+def keystorePropertiesFile = rootProject.file('android/key.properties')
+if (keystorePropertiesFile.exists()) {
+    keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
+} else {
+    project.logger.warn("File not found: ${keystorePropertiesFile}")
+    project.logger.warn("Using default values for signing config.")
+    keystoreProperties['keyAlias'] = "omnt_default"
+    keystoreProperties['keyPassword'] = "omnt2024"
+    keystoreProperties['storeFile'] = file("omnt_default.jks")
+    keystoreProperties['storePassword'] = "omnt2024"
+}
+
+
 android {
     signingConfigs {
         debug {
-            storeFile file('OpenMobileNetworkToolkit-key.jks')
-            keyAlias 'key0'
+            keyAlias keystoreProperties['keyAlias']
+            keyPassword keystoreProperties['keyPassword']
+            storeFile keystoreProperties['storeFile'] ? file(keystoreProperties['storeFile']) : null
+            storePassword keystoreProperties['storePassword']
         }
     }
     compileSdk 34
diff --git a/app/omnt_default.jks b/app/omnt_default.jks
new file mode 100644
index 00000000..5b996bc8
Binary files /dev/null and b/app/omnt_default.jks differ
diff --git a/app/src/main/java/de/fraunhofer/fokus/OpenMobileNetworkToolkit/Iperf3/Iperf3LibLoader.java b/app/src/main/java/de/fraunhofer/fokus/OpenMobileNetworkToolkit/Iperf3/Iperf3LibLoader.java
index ad808dbe..c8d20e25 100644
--- a/app/src/main/java/de/fraunhofer/fokus/OpenMobileNetworkToolkit/Iperf3/Iperf3LibLoader.java
+++ b/app/src/main/java/de/fraunhofer/fokus/OpenMobileNetworkToolkit/Iperf3/Iperf3LibLoader.java
@@ -23,7 +23,8 @@ public class Iperf3LibLoader {
         "iperf3.11",
         "iperf3.12",
         "iperf3.15",
-        "iperf3.16"
+        "iperf3.16",
+        "iperf3.17.1"
     );
 
     protected static synchronized void load() {