Android disconnects from AP.

why the wifi connected to my android phone, always disconnect itself after sometime, and reconnect itself again? my laptop connected to it has no problem, and if i change to anther router system, the wifi connected to my android phone never disconects itself, whats the problem? could you please check it, thanks!

I think it may be some kind of power saving feature on the android device.

Also you could disable network auto switch on the device and it should stay connected.

I had some strange issues with android devices disconnecting when the ssid contained a _ or - , It could have been the ROS version when it happend