diff --git a/self-extractors_cheetah/google_devices/staging/Android.mk b/self-extractors_cheetah/google_devices/staging/Android.mk
index 8982deb..0e329a3 100644
--- a/self-extractors_cheetah/google_devices/staging/Android.mk
+++ b/self-extractors_cheetah/google_devices/staging/Android.mk
@@ -48,7 +48,7 @@ LOCAL_PRIVILEGED_MODULE := true
 LOCAL_MODULE_OWNER := samsung
 LOCAL_MODULE_CLASS := APPS
 LOCAL_SRC_FILES := $(LOCAL_MODULE).apk
-LOCAL_CERTIFICATE := platform
+LOCAL_CERTIFICATE := PRESIGNED
 LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
 LOCAL_LICENSE_CONDITIONS := notice
 LOCAL_NOTICE_FILE := $(LOCAL_PATH)/../COPYRIGHT $(LOCAL_PATH)/../LICENSE
@@ -64,7 +64,7 @@ LOCAL_PRIVILEGED_MODULE := true
 LOCAL_MODULE_OWNER := samsung
 LOCAL_MODULE_CLASS := APPS
 LOCAL_SRC_FILES := $(LOCAL_MODULE).apk
-LOCAL_CERTIFICATE := platform
+LOCAL_CERTIFICATE := PRESIGNED
 LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
 LOCAL_LICENSE_CONDITIONS := notice
 LOCAL_NOTICE_FILE := $(LOCAL_PATH)/../COPYRIGHT $(LOCAL_PATH)/../LICENSE
@@ -80,7 +80,7 @@ LOCAL_PRIVILEGED_MODULE := true
 LOCAL_MODULE_OWNER := qorvo
 LOCAL_MODULE_CLASS := APPS
 LOCAL_SRC_FILES := $(LOCAL_MODULE).apk
-LOCAL_CERTIFICATE := platform
+LOCAL_CERTIFICATE := PRESIGNED
 LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
 LOCAL_LICENSE_CONDITIONS := notice
 LOCAL_NOTICE_FILE := $(LOCAL_PATH)/../COPYRIGHT $(LOCAL_PATH)/../LICENSE
diff --git a/self-extractors_panther/google_devices/staging/Android.mk b/self-extractors_panther/google_devices/staging/Android.mk
index 763f1fb..7e7906a 100644
--- a/self-extractors_panther/google_devices/staging/Android.mk
+++ b/self-extractors_panther/google_devices/staging/Android.mk
@@ -48,7 +48,7 @@ LOCAL_PRIVILEGED_MODULE := true
 LOCAL_MODULE_OWNER := samsung
 LOCAL_MODULE_CLASS := APPS
 LOCAL_SRC_FILES := $(LOCAL_MODULE).apk
-LOCAL_CERTIFICATE := platform
+LOCAL_CERTIFICATE := PRESIGNED
 LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
 LOCAL_LICENSE_CONDITIONS := notice
 LOCAL_NOTICE_FILE := $(LOCAL_PATH)/../COPYRIGHT $(LOCAL_PATH)/../LICENSE
@@ -64,7 +64,7 @@ LOCAL_PRIVILEGED_MODULE := true
 LOCAL_MODULE_OWNER := samsung
 LOCAL_MODULE_CLASS := APPS
 LOCAL_SRC_FILES := $(LOCAL_MODULE).apk
-LOCAL_CERTIFICATE := platform
+LOCAL_CERTIFICATE := PRESIGNED
 LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
 LOCAL_LICENSE_CONDITIONS := notice
 LOCAL_NOTICE_FILE := $(LOCAL_PATH)/../COPYRIGHT $(LOCAL_PATH)/../LICENSE