How do I turn off the 4g on a Samsung Galaxy S5? Thank you

[AC Question]

trying to get better reception indoors

 

[B. Diddy]

Welcome to Android Central! The ability to force 3G only may depend on which carrier you got your phone from, because I think some carriers prevent the user from accessing that menu option. Look for a menu option as shown here: Choosing network mode for my mobile phone - Samsung Galaxy S5 ...