How To: Turn 4G On-Off/Access Hidden Menus

[Gman9831]

Excuse me i tried to turn my 4g on with this method but i still get 1x does my root interfear with it?

4G is on by default
Did you just get this phone? Have you ever seen it say 4G?

 

[manojvjalpy]

Dear Experts, I want change the network mode of my LG OPTIMUS F5 AS870 cdma phone. Kindly help me.