DESCRIPTION:
In order to access the Hidden Menu on the LG G3 (Android 5 Lollipop) smartphone call this number: 3845#*851#

*Where 851 is the model number of your own LG phone. Go to Settings, General tab, About phone, Hardware info, Model number.
Model number: LG-D851

For the hidden Menu on LG G3 using Android 6.0 Marshmallow try this ► https://www.youtube.com/watch?v=StDF_ugQAcw


AT&T model: 3845#*850#
T-Mobile model: 3845#*851#
International models: 3845#*855#
Sprint model: 5689#*990#