lgg4: added all unified models

Change-Id: Ibfa0daf8cf80a1b88a9fad7229ab75eec546c4da
diff --git a/_lg/lgg4.markdown b/_lg/lgg4.markdown
index 0e83223..0543a00 100644
--- a/_lg/lgg4.markdown
+++ b/_lg/lgg4.markdown
@@ -1,7 +1,7 @@
 ---
 layout: device
 title:  "LG G4"
-codename: H811, H815
+codename: G4, F500, LS991, H810, H811, H812, H815, H819, US991, VS986
 downloadfolder: g4
 supportstatus: Current
 maintainer: steadfasterX