diff --git a/rootdir/etc/init.qcom.post_boot.sh b/rootdir/etc/init.qcom.post_boot.sh
index 38ae11bc..4cad00dd 100755
--- a/rootdir/etc/init.qcom.post_boot.sh
+++ b/rootdir/etc/init.qcom.post_boot.sh
@@ -733,6 +733,15 @@ case "$target" in
 	;;
 esac
 
+case "$target" in
+    "msm8992")
+        echo 0 > /sys/module/lpm_levels/parameters/sleep_disabled
+        # online A57 cores
+        echo 1 > /sys/devices/system/cpu/cpu4/online
+        echo 1 > /sys/devices/system/cpu/cpu5/online
+    ;;
+esac
+
 case "$target" in
     "msm8994")
         # disable thermal bcl hotplug to switch governor