How to Change Network mode to WCDMA 2G , 3G , 4G LTE in LG Mobiles

With this code you can easily change your network mode to 2g , 3g , 4g , wcdma , or LTE. Some lg mobiles do not have change network option in call settings.If you have not have this option you can just dial 5457#*320# . 

After select you network, your phone will restart .

check it out > Lg Mobile Phones