diff --git a/Android.bp b/Android.bp
index 8bbb817..fcea612 100644
--- a/Android.bp
+++ b/Android.bp
@@ -28762,6 +28762,34 @@ cc_prebuilt_library_shared {
     soc_specific: true,
 }
 
+cc_prebuilt_library_shared {
+    name: "libaudiotoolkit",
+    owner: "xiaomi",
+    strip: {
+        none: true,
+    },
+    target: {
+        android_arm64: {
+            srcs: [
+                "proprietary/system_ext/lib64/libaudiotoolkit.so",
+            ],
+            shared_libs: [
+                "liblog",
+                "libcutils",
+                "libutils",
+                "libaudioclient",
+                "libc++",
+                "libc",
+                "libm",
+                "libdl",
+            ],
+        },
+    },
+    compile_multilib: "64",
+    prefer: true,
+    system_ext_specific: true,
+}
+
 cc_prebuilt_library_shared {
     name: "libcomutils",
     owner: "xiaomi",
@@ -28793,6 +28821,155 @@ cc_prebuilt_library_shared {
     system_ext_specific: true,
 }
 
+cc_prebuilt_library_shared {
+    name: "libem_aoltest_jni",
+    owner: "xiaomi",
+    strip: {
+        none: true,
+    },
+    target: {
+        android_arm64: {
+            srcs: [
+                "proprietary/system_ext/lib64/libem_aoltest_jni.so",
+            ],
+            shared_libs: [
+                "libnativehelper",
+                "libandroid_runtime",
+                "libutils",
+                "libui",
+                "libcutils",
+                "liblog",
+                "libnl",
+                "libc++",
+                "libc",
+                "libm",
+                "libdl",
+            ],
+        },
+    },
+    compile_multilib: "64",
+    prefer: true,
+    system_ext_specific: true,
+}
+
+cc_prebuilt_library_shared {
+    name: "libem_audio_jni",
+    owner: "xiaomi",
+    strip: {
+        none: true,
+    },
+    target: {
+        android_arm64: {
+            srcs: [
+                "proprietary/system_ext/lib64/libem_audio_jni.so",
+            ],
+            shared_libs: [
+                "libnativehelper",
+                "libandroid_runtime",
+                "libutils",
+                "libui",
+                "libcutils",
+                "libaudioclient",
+                "liblog",
+                "libaudiotoolkit",
+                "libc++",
+                "libc",
+                "libm",
+                "libdl",
+            ],
+        },
+    },
+    compile_multilib: "64",
+    prefer: true,
+    system_ext_specific: true,
+}
+
+cc_prebuilt_library_shared {
+    name: "libem_bleoffload_jni",
+    owner: "xiaomi",
+    strip: {
+        none: true,
+    },
+    target: {
+        android_arm64: {
+            srcs: [
+                "proprietary/system_ext/lib64/libem_bleoffload_jni.so",
+            ],
+            shared_libs: [
+                "libnativehelper",
+                "libandroid_runtime",
+                "libutils",
+                "libui",
+                "libcutils",
+                "liblog",
+                "libnl",
+                "libc++",
+                "libc",
+                "libm",
+                "libdl",
+            ],
+        },
+    },
+    compile_multilib: "64",
+    prefer: true,
+    system_ext_specific: true,
+}
+
+cc_prebuilt_library_shared {
+    name: "libem_support_jni",
+    owner: "xiaomi",
+    strip: {
+        none: true,
+    },
+    target: {
+        android_arm64: {
+            srcs: [
+                "proprietary/system_ext/lib64/libem_support_jni.so",
+            ],
+            shared_libs: [
+                "libandroid_runtime",
+                "liblog",
+                "libutils",
+                "libgui",
+                "libc++",
+                "libc",
+                "libm",
+                "libdl",
+            ],
+        },
+    },
+    compile_multilib: "64",
+    prefer: true,
+    system_ext_specific: true,
+}
+
+cc_prebuilt_library_shared {
+    name: "libem_wifi_jni",
+    owner: "xiaomi",
+    strip: {
+        none: true,
+    },
+    target: {
+        android_arm64: {
+            srcs: [
+                "proprietary/system_ext/lib64/libem_wifi_jni.so",
+            ],
+            shared_libs: [
+                "libandroid_runtime",
+                "libui",
+                "liblog",
+                "libc++",
+                "libc",
+                "libm",
+                "libdl",
+            ],
+        },
+    },
+    compile_multilib: "64",
+    prefer: true,
+    system_ext_specific: true,
+}
+
 cc_prebuilt_library_shared {
     name: "libimsma",
     owner: "xiaomi",
@@ -29284,6 +29461,17 @@ android_app_import {
     soc_specific: true,
 }
 
+android_app_import {
+    name: "EngineerMode",
+    owner: "xiaomi",
+    apk: "proprietary/system_ext/app/EngineerMode/EngineerMode.apk",
+    certificate: "platform",
+    dex_preopt: {
+        enabled: false,
+    },
+    system_ext_specific: true,
+}
+
 android_app_import {
     name: "ImsService",
     owner: "xiaomi",
diff --git a/proprietary/system_ext/app/EngineerMode/EngineerMode.apk b/proprietary/system_ext/app/EngineerMode/EngineerMode.apk
new file mode 100644
index 0000000..2d21b20
Binary files /dev/null and b/proprietary/system_ext/app/EngineerMode/EngineerMode.apk differ
diff --git a/proprietary/system_ext/lib64/libaudiotoolkit.so b/proprietary/system_ext/lib64/libaudiotoolkit.so
new file mode 100644
index 0000000..1502873
Binary files /dev/null and b/proprietary/system_ext/lib64/libaudiotoolkit.so differ
diff --git a/proprietary/system_ext/lib64/libem_aoltest_jni.so b/proprietary/system_ext/lib64/libem_aoltest_jni.so
new file mode 100644
index 0000000..aaf187c
Binary files /dev/null and b/proprietary/system_ext/lib64/libem_aoltest_jni.so differ
diff --git a/proprietary/system_ext/lib64/libem_audio_jni.so b/proprietary/system_ext/lib64/libem_audio_jni.so
new file mode 100644
index 0000000..a9df02a
Binary files /dev/null and b/proprietary/system_ext/lib64/libem_audio_jni.so differ
diff --git a/proprietary/system_ext/lib64/libem_bleoffload_jni.so b/proprietary/system_ext/lib64/libem_bleoffload_jni.so
new file mode 100644
index 0000000..8edc0ae
Binary files /dev/null and b/proprietary/system_ext/lib64/libem_bleoffload_jni.so differ
diff --git a/proprietary/system_ext/lib64/libem_support_jni.so b/proprietary/system_ext/lib64/libem_support_jni.so
new file mode 100644
index 0000000..8d8c533
Binary files /dev/null and b/proprietary/system_ext/lib64/libem_support_jni.so differ
diff --git a/proprietary/system_ext/lib64/libem_wifi_jni.so b/proprietary/system_ext/lib64/libem_wifi_jni.so
new file mode 100644
index 0000000..a487af7
Binary files /dev/null and b/proprietary/system_ext/lib64/libem_wifi_jni.so differ
diff --git a/tanzanite-vendor.mk b/tanzanite-vendor.mk
index e72dd2a..3d7bd59 100644
--- a/tanzanite-vendor.mk
+++ b/tanzanite-vendor.mk
@@ -1698,7 +1698,13 @@ PRODUCT_PACKAGES += \
     vendor.mediatek.hardware.videotelephony@1.0_vendor \
     vendor.xiaomi.sensor.citsensorservice@1.1 \
     vendor.xiaomi.sensor.citsensorservice@2.0 \
+    libaudiotoolkit \
     libcomutils \
+    libem_aoltest_jni \
+    libem_audio_jni \
+    libem_bleoffload_jni \
+    libem_support_jni \
+    libem_wifi_jni \
     libimsma \
     libimsma_adapt \
     libimsma_rtp \
@@ -1715,6 +1721,7 @@ PRODUCT_PACKAGES += \
     vendor.mediatek.hardware.videotelephony@1.0 \
     JVFactoryTest_O7 \
     goodix_sz_miui \
+    EngineerMode \
     ImsService \
     mediatek-common \
     mediatek-framework \