I have an iPhone 4S, and I see System Services near the bottom of the Location Services list. It isn't all the way at the bottom. On my phone, it's about three up from the bottom.

On 06/06/16 17:06, Gary Bowers wrote:
Hi Pinky - You're not alone.

I went to Privacy > location services, and looked all the way to the bottom. I 
have no button that says System Services.

I have an iPhone5 with the latest iOS update. I'm wondering if the settings in 
question are not included in the old 5 series.

Gary
-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of 
Pinky
Sent: Monday, June 06, 2016 12:25 PM
To: [email protected]
Subject: RE: Search for cell network under system services, what is it?

I went there and did not see it.
Ed

-----Original Message-----
From: 'Simon w' via VIPhone [mailto:[email protected]]
Sent: Monday, June 06, 2016 12:23 PM
To: [email protected]
Subject: Re: Search for cell network under system services, what is it?

Hi go into settings and check in cellular.

Sent from my iPhone

On Jun 6, 2016, at 1:19 PM, Pinky <[email protected]> wrote:

Hi Sieghard,
Where do you find these settings?
Ed

-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of 
Sieghard Weitzel
Sent: Sunday, June 05, 2016 11:22 PM
To: [email protected]
Subject: RE: Search for cell network under system services, what is it?

Hi Mary,

The Cell Network Search has nothing to do with how your phone connects to the 
cellular network or whether it connects at all. A Google search resulted in a 
bunch of results, here is one explanation which is easy to understand:

Cell network search: Apple keeps a database of cell towers and monitors 
reception in your area based on this option. It’s used to improve products in 
general and it’s not really a necessary function, so you can disable this 
feature if you wish not to share cellular tower information with Apple.

Wi-Fi Networking I am pretty sure does something equivalent for Wi-Fi Networks 
and hotspots.

Even Setting Time Zone is not required as your phone also receives this 
information from cell towers. I have turned this on in rare situations when I 
travelled to Asia and for some reason the date and time did not seem to set 
themselves. Turning it on would fix the issue and then I turned it off again 
since it anyways would only be important if you travel across time zones. Here 
in Canada or the US I have never found that the time was not displayed 
correctly even with this turned off.


Regards,
Sieghard

-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of 
Mary Otten
Sent: Sunday, June 5, 2016 2:20 PM
To: [email protected]
Subject: Search for cell network under system services, what is it?

I took the advice  about going into location services and checking the system 
services under there and turning off things that you don't need. One of those 
items is checking for cellular network services or something close to that. Now 
that sounds like something you would want to do when you are signing up and 
getting connected with your cellular network. And I think the advice in the 
original post was that it could be turned off. But I wonder about what might 
happen if you were on a road trip, say, and lost contact. Or even if you had to 
reboot your phone or turn it on to airplane mode and then off-again. Wouldn't 
it have to find the network? So, I turn this off but I'm wondering if that was 
a good idea.
Mary


Sent from my iPhone

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