How to force only 4G or LTE network connection for Samsung Galaxy Note 4
Video TutorialThis is screen video record to show you how to do it. If you prefer screenshots, please skip this video and scroll after the video.
Screenshots TutorialIf you are clueless about the existing settings that enable you to switch network mode, goto “Settings > More networks > Mobile networks > Network mode”.
Steps:Step 1 : From the phone dialer, dial *#2263# and the smartphone will bring you into the “Service Mode” screen like below.
Step 2 : Select “ LTE BAND PART1 ” and the smartphone will bring you into a screen to select the types of LTE mode.
Step 3 : Select “ LTE ALL ” to force the smartphone to use only 4G(LTE) connection.
Note : The instructions above have been verified with my Samsung Galaxy Note 4 (SM-N910C, Android OS 4.4.4). If you have a tried this method on different smartphone, please leave me a comment whether it works for you or not.