diff --git a/kazeia-android/app/build.gradle.kts b/kazeia-android/app/build.gradle.kts
index 1431844..907084d 100644
--- a/kazeia-android/app/build.gradle.kts
+++ b/kazeia-android/app/build.gradle.kts
@@ -44,8 +44,8 @@ android {
         applicationId = "com.kazeia"
         minSdk = 28
         targetSdk = 36
-        versionCode = 6
-        versionName = "0.1.5"
+        versionCode = 7
+        versionName = "0.1.6"
 
         // WebDAV de distribution — injecté depuis local.properties.
         buildConfigField("String", "WEBDAV_BASE", "\"${localProp("webdav.base")}\"")
diff --git a/kazeia-android/app/src/main/java/com/kazeia/config/ConfigStore.kt b/kazeia-android/app/src/main/java/com/kazeia/config/ConfigStore.kt
index 38fe411..5a1e665 100644
--- a/kazeia-android/app/src/main/java/com/kazeia/config/ConfigStore.kt
+++ b/kazeia-android/app/src/main/java/com/kazeia/config/ConfigStore.kt
@@ -40,10 +40,13 @@ class ConfigStore private constructor(private val file: File) {
          *  (Kazeia-Engine unifié, A/B identique sur set 6 audios mais à valider plus large).
          *  Pilotable depuis l'app admin / provider. Defaults safe = "prod". */
         val sttEngine: String = "prod",
-        /** Backend LLM : "prod" = ExecuTorchLlmEngine (.pte Qwen3 dense), "lib" =
-         *  EngineLlmAdapter (libkazeia_engine + GGUF Qwen3.5). Defaults safe = "prod".
-         *  Bascule "lib" nécessite libllama.so fork ql dans jniLibs. */
-        val llmEngine: String = "prod",
+        /** Backend LLM : "lib" = EngineLlmAdapter (libkazeia_engine + GGUF Qwen3.5,
+         *  q35-lmq4 par défaut) — défaut depuis 2026-06-15 : on n'utilise PLUS le
+         *  .pte avec kazeia-engine (directive). "prod" = ExecuTorchLlmEngine (.pte) —
+         *  conservé en repli d'urgence uniquement ; sur cette plateforme le runner QNN
+         *  du .pte échoue au load (« Failed to load llm runner [1] »), donc à éviter.
+         *  "lib" valide device : load q35-lmq4.gguf 2.6s + génération FR cohérente. */
+        val llmEngine: String = "lib",
         /** Backend TTS : "lib" = libkazeia_tts unifié (SEUL compatible avec le
          *  libllama.so fork ql embarqué depuis 2026-06-02), "prod" = Qwen3TtsEngine
          *  legacy — CRASHE (SIGSEGV nativeInit, dérive ABI llama_context_params) tant
diff --git a/kazeia-android/app/src/main/java/com/kazeia/config/ModelRegistry.kt b/kazeia-android/app/src/main/java/com/kazeia/config/ModelRegistry.kt
index 92c11d9..5850851 100644
--- a/kazeia-android/app/src/main/java/com/kazeia/config/ModelRegistry.kt
+++ b/kazeia-android/app/src/main/java/com/kazeia/config/ModelRegistry.kt
@@ -127,7 +127,9 @@ object ModelRegistry {
 
     fun byId(id: String): ModelInfo? = ALL.firstOrNull { it.id == id }
 
-    fun defaultSpeaker(): ModelInfo = byId("qwen3-4b-seq1024")
+    // Défaut = Speaker GGUF (moteur kazeia-engine lib) — on n'utilise plus de .pte
+    // (directive 2026-06-15). Repli : tout autre Speaker présent sur disque.
+    fun defaultSpeaker(): ModelInfo = byId("qwen3.5-4b")
         ?: ALL.first { it.role == Role.SPEAKER && it.fileExists() }
 
     fun defaultThinker(): ModelInfo = byId("guard06b")