It doesn't use up much battery at all, so I leave it on all the time.
I turn off "ask to join networks" though, just because it drives me mental.
Thanks for the tip, had no idea you could turn off "ask to join". It was driving me crazy too, that's why I just turn off wifi all together when not in use.
It doesn't use up much battery at all, so I leave it on all the time.
I turn off "ask to join networks" though, just because it drives me mental.