diff --git a/device-tegu.mk b/device-tegu.mk
index cd687ad..1918762 100644
--- a/device-tegu.mk
+++ b/device-tegu.mk
@@ -452,5 +452,21 @@ endif
 PRODUCT_VENDOR_PROPERTIES += \
     ro.vendor.build.svn=$(TARGET_SVN)
 
+# Set device family property for SMR
+PRODUCT_PROPERTY_OVERRIDES += \
+    ro.build.device_family=CM4KM4TK4TG4
 
+# Set build properties for SMR builds
+ifeq ($(RELEASE_IS_SMR), true)
+    ifneq (,$(RELEASE_BASE_OS_TEGU))
+        PRODUCT_BASE_OS := $(RELEASE_BASE_OS_TEGU)
+    endif
+endif
 
+# Set build properties for EMR builds
+ifeq ($(RELEASE_IS_EMR), true)
+    ifneq (,$(RELEASE_BASE_OS_TEGU))
+        PRODUCT_PROPERTY_OVERRIDES += \
+        ro.build.version.emergency_base_os=$(RELEASE_BASE_OS_TEGU)
+    endif
+endif