It doesn't work in samsung devices
You need to install a app from playstore known as samsung band selection
If helpful accept as solution by clicking on 3 dots of my comment
You need to install a app from playstore known as samsung band selection
If helpful accept as solution by clicking on 3 dots of my comment
Yes unfortunately samsung has disabled this setting on our dial pad. For this if u r using jio. Then there is an option under network
Where we select 2g/3g/lte over there tap, and u will see only lte. But this will only work on jio
Where we select 2g/3g/lte over there tap, and u will see only lte. But this will only work on jio
Do this 
