There was a bug in a recent version of IOS (maybe 6.0) where iPhone 5's
would lose there wifi connection and switch to cellular data. This drove
up data costs. Apple fixed this bug in a version of IOS that was just
released for the iPhone 5 and maybe the iPad Mini. I forget the version
numbers, but the latest version of IOS for all devices (6.1.2) has this
bug fix in it. So yes there was truth to what you've read, but it should
be fixed by now.
On 03/10/2013 11:33 PM, Tom Lange wrote:
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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