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_zulu_ Author

Level 1

2 points

iPhone 6 Motion Calibration Always Using Location Services

just received my iphone6 and is updated to ios8.

IVe noticed that the location services was constantly on so went through each item which was enabled for location sharing and disabled one by one. I discovered that under Privacy > Location Services > System Services > Motion calibration was purple. As soon as I disabled it location sharing icon switched off. As soon as i enabled it it came back on again and the purple icon showed up next to motion calibration meaning it was in use.

So my question....what is motion calibration and why is it constantly using location services??

thanks

iPhone 6, iOS 8

Posted on Sep 20, 2014 6:57 AM

Top-ranking reply

Lawrence Finch

Level 10

215,488 points

Posted on May 19, 2017 3:01 PM

CtownClowns wrote:

My SE has been doing this for the last day. Researching it led me here. What does he mean stop worrying about it? LoL. The arrow is purple meaning it's actively being used.

WRONG. It is explained very clearly what a purple arrow means, and it does not mean it is actively being used. Read what it says at the bottom of the Location Services setting:

"Recently Used" is NOT the same as "Actively being used."

Yes...that drains the battery.

Also wrong. There are anywhere from a dozen to hundreds of apps and functions on your phone (depending on how many apps you have installed) that consume battery. You are focusing on the least likely cause of your battery problem.

The Location Services arrow on my phone's status bar is always displayed, and going to location services I see a total of 24 arrows displayed, and 10 of them are purple (one is a geofence, which DOES continuously actively use Location Services). If Location Services was a major battery drain my battery life would be 15 minutes. Instead, I only really need to charge every 2 - 3 days; if I charge overnight by the end of the day my remaining battery is typically 70%. And I'm a heavy user, with over 250 apps installed.

By paying attention only to one arrow in Location Services you are essentially denying yourself the opportunity to fix your battery issue.

View in context

265 replies

Mar 13, 2015 11:18 AM in response to BeNaReS

As I've already posted, it needs to do it almost continuously, because your step size changes throughout the day, and varies with your walking or running speed and where you are walking. For example, you step size will usually be different walking in a mall than it will be walking from the mall to your car in the parking lot.

BeNaReS

Level 1

0 points

Mar 13, 2015 12:30 PM in response to Lawrence Finch

Almost continuously or ALWAYS?

Why CM counts my steps if i disable physical activity detection?

Why CM counts my steps if my iphone is on the table?

Why CM needs to be ALWAYS in use only on iphone 6 & 6+?

There are many questions about CM, but no one serious answer.

I asked for help to applesupport and I'm waiting for the response technic. Next week they should answer my questions, i hope.

Mar 14, 2015 5:22 AM in response to Acceler8ing

This method worked for me in the sense that now the icon disappeared from bottom!! But when I go in the settings show me that is alway on. However the icon appears when something else use position, but never for motion calibration!

Mar 14, 2015 5:23 AM in response to ardijanCH

1. Reset Network Settings

2. Reset Location & Privacy

3. Shutdown & Start the iPhone

this is the method that worked for me.

BeNaReS

Level 1

0 points

Mar 14, 2015 5:49 AM in response to ardijanCH

After a "reset location & privacy" icon status bar is disabled by the settings of the system services that use location. Make sure you have it enabled. And wait at least 2 battery cycles to confirm that this fix it.

Mar 14, 2015 7:19 AM in response to BeNaReS

OH no! You're right, it is only disabled 😟

BeNaReS

Level 1

0 points

Mar 15, 2015 5:28 AM in response to vamsi krishnafromsingapore

vamsi krishnafromsingapore wrote:

Hi,

I also have the same issue and below method fixed.

Turn off wifi

Restart phone

Only turn on wifi if you wanted to connect to wifi and turn off wifi if you are out of connected wifi range.

This issue comes if your phone wifi is on always.

This looks odd but by following this method fixes the issue for those who do not want to see location services icon always on due to motion calibration.

Also I see there is huge improvement in battery life by turning off wifi and turn on only when required.

I think there is some relation between this wifi on and motion calibration.

Thanks,

Vamsi

This method works.

If your MC is in infinite loop, disable it, turn off wifi and wait a bit (at least 30 sec). Turn on MC and it's unblocked.

Turn on wifi only when you need it.

Mar 15, 2015 11:33 AM in response to _zulu_

There is no correlation between anything! I had the same issue and at some point MC decided to work fine! For 2 months or so MC was only on occasionally. Up until 8.2. Now it is on constantly again, I haven't changed a thing! Really ******* me off now tbh

BeNaReS

Level 1

0 points

Mar 20, 2015 11:36 AM in response to _zulu_

Apple's engineering department told me that MC isn't affected by bug, and on its devices all works fine (MC no always on). the engineering department said they had never heard of problems with other devices. they claim that it is a problem with third-party application. I'm still investigating...

Mar 20, 2015 4:29 PM in response to _zulu_

For me, it was an app that was doing "Background app refresh".

Turned it off and solved the problem.

Mar 20, 2015 5:24 PM in response to _zulu_

Unfortunately, it was a false alarm... It's back...

BeNaReS

Level 1

0 points

Mar 21, 2015 4:58 AM in response to _zulu_

Observe MC locked is difficult for normal user because location status icon for system services is disabled by default. Experience teach me that MC stay always on only if wifi and frequent positions are both enabled. On new devices or recovered one MC initially works fine.

I dont think is a third-party application problem and is important to know if all iphone 6/6+ does it or only some devices.

Bezares_

Level 1

0 points

Mar 21, 2015 8:03 AM in response to BeNaReS

Hi, I can tell all of you that it is a bug, I'm completely sure. I wrote a couple of posts here but they were deleted by (I guess) the administrator or whoever controls this.

I don't know how to explain you that it's a bug and that they don't delete my post.

Mar 21, 2015 8:11 AM in response to Bezares_

Bezares_ wrote:

Hi, I can tell all of you that it is a bug, I'm completely sure.

Well, I'm completely sure that it is normal, and that it is not a bug. And I have as much evidence to support my view as you have to support yours. Which is none.

Bezares_

Level 1

0 points

Mar 21, 2015 8:22 AM in response to Lawrence Finch

Lawrence

You come here everytime and try to say the only one who has the reason is you, anyway, I don't give a...

Here's my evidence "wich is none": I'm a developer and it's simple, after number 1 there comes a number 2, after that there comes a 3, what you say it's normal is not present on my iPhone. You are now with 1 or 2, I'm with 3. If it were normal it would be present in my iPhone and it is not.

iPhone 6 Motion Calibration Always Using Location Services