This application opens directly the settings app of mobile network settings to switch between "2G" and "allow 3G" networks (e.g. to save battery).
It places also a shortcut in home screen to reach the settings from everywhere.
9Apps 4.9
![국세청 홈택스 [손택스] on 9Apps](https://sg-res.9appsdownloading.com/sg/res/jpg/f7/df/69cc2f90120ec331db2630e0f5b6-6dh.jpg?x-oss-process=style/jmq200)
