diff --git a/prop.mk b/prop.mk
index e3142187a82cea33cbc7a3184507b29602670622..26ad9e75a5cf019b01125fcd772c8c4a95bf0a2c 100644
--- a/prop.mk
+++ b/prop.mk
@@ -75,6 +75,7 @@ debug.gralloc.enable_fb_ubwc=1 \
 debug.mdpcomp.logs=0 \
 debug.sf.enable_hwc_vds=1 \
 debug.sf.hw=0 \
+debug.sf.latch_unsignaled=1 \
 debug.sf.recomputecrop=0 \
 dev.pm.dyn_samplingrate=1 \
 persist.debug.wfd.enable=1 \
@@ -192,6 +193,10 @@ persist.timed.enable=true
 PRODUCT_PROPERTY_OVERRIDES += \
 net.tcp.2g_init_rwnd=10
 
+# UI
+PRODUCT_PROPERTY_OVERRIDES += \
+sys.use_fifo_ui=1
+
 # Usb
 PRODUCT_PROPERTY_OVERRIDES += \
 persist.sys.usb.config.extra=none