About swi-cha
It is a widget app that can toggle the state of the communication line 3G/4G.
Widgets that can be pasted to the home screen There are two types of
The first widget is performed on normal switching off.
The second widget, we disconnect the communication line by using a timer.
Second timer interval widgets can be set in the setting screen.
If the line is connected to a timer at the start I have to cut the line at a specified time also,
If disconnected automatically connects to the line, I make the connection automatically disconnects a specified amount of time.
If you are interested, please try it.