A free program for Android
You are now at liberty to switch between various network modes on your mobile device in accordance with your whims and preferences at any time.
In most cases, the manufacturer will obscure a significant amount of information pertaining to the various network modes that are accessible.
Instances such as this include LTE as the only available network option (4G only), WCDMA as the only option, GSM as the only option, etc.
As a result of using this software, you will now have access to the aforementioned modes.
Launching the application is all that is required of you at this moment; there is no more action that can be taken.
