diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 7b3c9f0..ab8071b 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -25,8 +25,8 @@ android {
         applicationId = "es.chiteroman.playintegrityfix"
         minSdk = 26
         targetSdk = 35
-        versionCode = 18300
-        versionName = "v18.3"
+        versionCode = 18201
+        versionName = "v18.2.1-EXPERIMENTAL"
         multiDexEnabled = false
 
         externalNativeBuild {
@@ -37,19 +37,8 @@ android {
                 )
 
                 arguments(
-                    "-DCMAKE_BUILD_TYPE=Release",
-                    "-DANDROID_STL=none",
-                    "-DANDROID_SUPPORT_FLEXIBLE_PAGE_SIZES=ON",
-                    "-DANDROID_ALLOW_UNDEFINED_SYMBOLS=ON",
-                    "-DCMAKE_CXX_STANDARD=23",
-                    "-DCMAKE_C_STANDARD=23",
-                    "-DCMAKE_INTERPROCEDURAL_OPTIMIZATION=ON",
-                    "-DCMAKE_VISIBILITY_INLINES_HIDDEN=ON",
-                    "-DCMAKE_CXX_VISIBILITY_PRESET=hidden",
-                    "-DCMAKE_C_VISIBILITY_PRESET=hidden",
-                    "-DCMAKE_ANDROID_EXCEPTIONS=OFF",
-                    "-DCMAKE_ANDROID_RTTI=OFF",
-                    "-DANDROID_CPP_FEATURES='no-rtti no-exceptions'"
+                    "-DCMAKE_BUILD_TYPE=MinSizeRel",
+                    "-DANDROID_STL=none"
                 )
 
                 cFlags(
diff --git a/app/src/main/cpp/inject.cpp b/app/src/main/cpp/inject.cpp
index 2a6ca87..fd29a63 100644
--- a/app/src/main/cpp/inject.cpp
+++ b/app/src/main/cpp/inject.cpp
@@ -241,7 +241,7 @@ void injectDex() {
 
 extern "C" {
 [[gnu::visibility("default"), maybe_unused]]
-void init(const char *dir, JavaVM *jvm, jint jni_version) {
+void init(const char *dir, JavaVM *jvm) {
 
     if (dir) {
         LOGD("[INJECT] GMS dir: %s", dir);
@@ -251,18 +251,18 @@ void init(const char *dir, JavaVM *jvm, jint jni_version) {
     }
 
     if (jvm) {
-        auto result = jvm->GetEnv(reinterpret_cast<void **>(&env), jni_version);
-        if (result != JNI_OK) {
-            LOGE("[INJECT] GetEnv error: %d", result);
-            return;
+        auto result = jvm->GetEnv(reinterpret_cast<void **>(&env), JNI_VERSION_1_6);
+        LOGD("[INJECT] JVM: %d", result);
+        if (result == JNI_EDETACHED) {
+            result = jvm->AttachCurrentThread(&env, nullptr);
+            LOGD("[INJECT] (JNI_EDETACHED) JVM: %d", result);
         }
     } else {
         LOGE("[INJECT] jvm is null!");
-        return;
     }
 
     if (env) {
-        LOGD("[INJECT] JNIEnv version: %x", env->GetVersion());
+        LOGD("[INJECT] JNIEnv: %d", env->GetVersion());
     } else {
         LOGE("[INJECT] env is null!");
         return;
diff --git a/app/src/main/cpp/main.cpp b/app/src/main/cpp/main.cpp
index c73a852..681d03f 100644
--- a/app/src/main/cpp/main.cpp
+++ b/app/src/main/cpp/main.cpp
@@ -263,7 +263,7 @@ public:
 
         dlerror();
 
-        typedef void (*init_t)(const char *, JavaVM *, jint);
+        typedef void (*init_t)(const char *, JavaVM *);
 
         auto init_func = reinterpret_cast<init_t>(dlsym(handle, "init"));
         const char *error = dlerror();
@@ -281,7 +281,7 @@ public:
             return;
         }
 
-        init_func(gmsDir.c_str(), jvm, env->GetVersion());
+        init_func(gmsDir.c_str(), jvm);
     }
 
     void preServerSpecialize(ServerSpecializeArgs *args) override {
diff --git a/module/module.prop b/module/module.prop
index 629d0e6..5bef5c5 100644
--- a/module/module.prop
+++ b/module/module.prop
@@ -1,7 +1,7 @@
 id=playintegrityfix
 name=Play Integrity Fix
-version=v18.3
-versionCode=18300
+version=v18.2.1-EXPERIMENTAL
+versionCode=18201
 author=chiteroman
 description=Universal modular fix for Play Integrity (and SafetyNet) on devices running Android 8-15
 updateJson=https://raw.githubusercontent.com/chiteroman/PlayIntegrityFix/main/update.json