[W5SFA] Iphone DB readings

Roger Klein rwklein at katyweb.net
Wed Aug 19 18:00:06 CDT 2015


Thanks Dan!  For those who are Android users (specifically the Samsung
Galaxy S4 with Verizon), look under Settings -> Connections -> More Networks
-> Mobile Networks, and you will see a Signal Strength entry in dBm.  It
might be a bit different for other phones/providers.  Roger N5RWK

 

From: w5sfa [mailto:w5sfa-bounces at w5sfa.org] On Behalf Of Dan White
Sent: Tuesday, August 18, 2015 10:40 PM
To: W5SFA Reflector
Subject: [W5SFA] Iphone DB readings

 

For Iphone users..  Dan W5AOV

 

Ever find yourself questioning how accurate those little signal strength
dots are on your iPhone?

Luckily, there's a trick to reveal your iPhone's true signal strength, and
it takes less than a minute to enable.

First, you'll need to access a hidden app on your phone called Field Test
Mode. To do this, you'll need to open up your Phone app and dial the
following number, *3001#12345#* , including the asterisks and hashtag, and
tap "Call."

This opens up Field Test Mode, which is mostly filled with menus of cell
signal jargon that you don't need to worry about. What you're interested in
is the tiny number in the upper left-hand corner of your iPhone, which
should have replaced those cell signal dots.

 Field Test app
<http://static5.businessinsider.com/image/5474e6cdeab8ea153e222db7-1200-1091
/thapicture.jpg> Business Insider 

 

Here, for example, my iPhone is showing my cell signal to be -59.

While that number can vary anywhere from -40 to -130, it will always be
negative, and the closer that number is to zero, the better your cell
signal, according to OSX Daily. The best signal you can get would be -40,
and no signal at all would be -130.

To exit Field Test Mode, you can simply tap the home button and you'll be
brought back to your iPhone's home screen, no harm done.

Now, you can always repeat this process to enter Field Test Mode and see
your true cellular signal, but if you'd like the ability to always check
that number without going through that hassle, you can set things up so your
iPhone will display both numbers if you just tap the signal dots in the
future.

To be able to peek at your true signal strength number you need to get back
into Field Test Mode by redialing *3001#12345#* and tapping "Call."

You'll be brought to the Field Test App, but instead of using the home
button to exit, hold down your iPhone's power/sleep button until it shows
the "Slide to power off" screen and then hold the down your iPhone's home
button, which will force quit Field Test App.

You'll be back to your iPhone's homescreen, but this time you should notice
that your signal strength number has replaced your signal strength dots.



Read more:
<http://www.businessinsider.com/how-to-see-your-iphones-true-cell-signal-str
ength-2014-11#ixzz3jEF1FA9x>
http://www.businessinsider.com/how-to-see-your-iphones-true-cell-signal-stre
ngth-2014-11#ixzz3jEF1FA9x

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