This app requires Samsung Galaxy smartphones running Android 8.0 Oreo with Samsung's stock Operating System (Samsung Experience).

This app does not require root access.


You can manually choose network mode for :

GSM ALL -> 2G GSM only (GPRS/EDGE)

WCDMA ALL -> 3G WCDMA only (UMTS/HSDPA/HSUPA/HSPA/HSPA+)

LTE ALL -> 4G LTE only

GSM/WCDMA -> 2G / 3G only

WCDMA/LTE -> 3G / 4G LTE only

Band Selection Mode -> Manually choose 2G/3G/4G Bands



At Band Selection tab you can manually choose your preferrend or fixed frequencies.



* This app works only on Samsung Galaxy smartphones running Android 8.0 Oreo.

* This app does not work on some devices which does not have Network Setting app.

Operation on all devices is not guaranteed.
I'm not responsible for any problems by using this app. Please install and use this app only when you agree these. Thanks.