diff --git a/device.mk b/device.mk
index 2b015d1..148b580 100644
--- a/device.mk
+++ b/device.mk
@@ -389,6 +389,8 @@
 PRODUCT_PROPERTY_OVERRIDES += \
 	persist.vendor.data.profile_update=true
 
+PRODUCT_PROPERTY_OVERRIDES += ro.telephony.iwlan_operation_mode=legacy
+
 
 # Display
 PRODUCT_PACKAGES += \
@@ -422,6 +424,9 @@
 PRODUCT_PROPERTY_OVERRIDES += \
 	vendor.display.disable_skip_validate=1
 
+PRODUCT_PROPERTY_OVERRIDES += ro.hardware.vulkan=adreno
+PRODUCT_PROPERTY_OVERRIDES += ro.hardware.egl=adreno
+
 
 # Display Properties
 PRODUCT_AAPT_CONFIG := normal
@@ -671,6 +676,10 @@
 	synaptics_rmi4_i2c.kl
 
 
+# Keystore
+PRODUCT_PROPERTY_OVERRIDES += ro.hardware.keystore_desede=true
+
+
 # LED packages
 PRODUCT_PACKAGES += \
 	android.hardware.light@2.0-impl \