diff --git a/system.prop b/system.prop
index 6a9d50b..06c4a73 100644
--- a/system.prop
+++ b/system.prop
@@ -41,6 +41,11 @@ persist.dpm.feature=1
 persist.vendor.cp.taper_term_mv=6500
 persist.vendor.cp.fcc_main_ua=400000
 
+# IMS
+persist.dbg.volte_avail_ovr=1
+persist.dbg.vt_avail_ovr=1
+persist.dbg.wfc_avail_ovr=1
+
 # Media
 debug.stagefright.ccodec=1
 media.settings.xml=/vendor/etc/media_profiles_vendor.xml