if there is no proper 4G coverage available, your device fluctuates among 2G/3G/4G signals. to avoid this situation, and to stay only on your preferred network, this app is very useful.
Once you set to get 4G or LTE mode, no other 2G/3G signals will be catch by the device, so your device will always remain on 4G/LTE Network!
Bug fixes
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)
