diff --git a/device-comet.mk b/device-comet.mk
index 280d917..90ec034 100644
--- a/device-comet.mk
+++ b/device-comet.mk
@@ -79,6 +79,25 @@ endif
 PRODUCT_VENDOR_PROPERTIES += \
     ro.vendor.build.svn=$(TARGET_SVN)
 
+# Set device family property for SMR
+PRODUCT_PROPERTY_OVERRIDES += \
+    ro.build.device_family=CT3
+
+# Set build properties for SMR builds
+ifeq ($(RELEASE_IS_SMR), true)
+    ifneq (,$(RELEASE_BASE_OS_COMET))
+        PRODUCT_BASE_OS := $(RELEASE_BASE_OS_COMET)
+    endif
+endif
+
+# Set build properties for EMR builds
+ifeq ($(RELEASE_IS_EMR), true)
+    ifneq (,$(RELEASE_BASE_OS_COMET))
+        PRODUCT_PROPERTY_OVERRIDES += \
+        ro.build.version.emergency_base_os=$(RELEASE_BASE_OS_COMET)
+    endif
+endif
+
 # go/lyric-soong-variables
 $(call soong_config_set,lyric,camera_hardware,comet)
 $(call soong_config_set,lyric,tuning_product,comet)