diff --git a/rw-system.sh b/rw-system.sh
index db4efb2..18dfbf8 100644
--- a/rw-system.sh
+++ b/rw-system.sh
@@ -277,6 +277,11 @@ for f in /vendor/lib/mtk-ril.so /vendor/lib64/mtk-ril.so /vendor/lib/libmtk-ril.
     setprop persist.sys.radio.ussd.fix true
 done
 
+if getprop ro.vendor.build.fingerprint | grep -iq -e iaomi/cactus -e iaomi/cereus; then
+    setprop debug.stagefright.omx_default_rank.sw-audio 1
+    setprop debug.stagefright.omx_default_rank 0
+fi
+
 mount -o bind /system/phh/empty /vendor/overlay/SysuiDarkTheme/SysuiDarkTheme.apk || true
 mount -o bind /system/phh/empty /vendor/overlay/SysuiDarkTheme/SysuiDarkThemeOverlay.apk || true