that explains then while I was out and about yesterday it said 3g instead of
WYFi
----- Original Message -----
From: Tom Lange
To: [email protected]
Sent: Monday, March 11, 2013 12:33 AM
Subject: Re: how to switch between cellular data and WY FI?
Hi,
Neil writes:
Hi, is there any truth to the reports I have read that sometimes an iPhone
when in a WiFi location sometimes switches over to cellular data? I can see
that this would happen if the WiFi network is down, but some have said that
there is leakage of cellular data even when on WiFi.
I have no idea whether that's true or not but my guess is that it might
switch on the fly if the network is unstable, hence the impression that there
is leakage.
One other question, how do I tell which it is using? Since I have had my
phone, I have always been in range of WiFI, so I don't know if there is a
different message at the top of the screen when it's using cellular data.
In the status line at the top of the screen, to the left of the time,
there's an icon that will tell you whether you're using 3g or , how many bars
you have if you're using wi-fi. Right now I'm sitting in my living room next
to my router and have a wi-fi signal that's 3 bars, as expected. Just to test
this, I walked out of my apartment, went down the hall and turned into the
intersecting hallway. As I did this, I could look at that icon and see that
the wi-fi signal was weaker. Then when I lost it altogether, it switched over
to 3g. Interestingly enough, even though the phone was back in range as I
returned to my hallway, my phone waited to reconnect to wi-fi until I
re-entered my apartment.
Hope that answers your question.
Tom
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