Settings icon has disappeared

Settings icon has disappeared

Hi everyone

 

I've noticed the settings icon disappears from the app menu on a few, not all, Zebra TC56 devices running M/N GMS, anytime after enrolling it into MobiControl. It is not possible to access settings from the pulldown menu either. Has anyone else seen this issue?

 

Devices: Zebra TC56

OS: Marshmallow and Nougat with GMS

MobiControl: 13.4

Agent: 13.5.0.1496

13 Answers

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Benedict Lumabi | posted this 07 January 2019

1. What type of enrollment they have been using? 

2. Have you configured  " Application Run Control " which blacklist or whitelist android applications?

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Marius Iversen | posted this 07 January 2019

Android+ enrollment using Zebra StageNOW on Nougat, and MobiControl Stage on Marshmallow. 

 

No, there is no "Application Run Control" profile on the devices, never have been either.

 

It's very strange. Only some devices experience this issue, even though all devices are identical in setup, and in use. Unfortunately the only way to remedy the issue, is to factory reset the device. After this, and a new staging, the settings icon is back, and we can access settings again. I've been googling around a bit and see that other are having similar issues on their private Samsungs and what not. Haven't found a good solution to the issue though. Therefore I was hoping someone else had seen the same issue, fixed it, and would share what they did.

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Matt Dermody | posted this 07 January 2019

What are you using for Lockdown? Zebra's Enterprise Home Screen lockdown utility automatically hides the Settings app by default with an MX setting and does not automatically re-enable it if uninstalled. If EHS was installed at any point then you'd need to re-enable Settings via another MX profile or Factory Reset the device as you have discovered. 

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Jason Klotz | posted this 09 January 2019

Have you tried sending a script incase the system app was suppressed?

 

Example:   

enable_system_app com.android.settings

 

Might not work but worth a shot to try before wiping more phones.

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MartinsKl | posted this 10 January 2019

I have also noticed this on our TC51.  

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Marius Iversen | posted this 10 January 2019

We're using SOTI Lockdown. EHS has never been installed on any devices.

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Marius Iversen | posted this 10 January 2019

I've tried the enable_system_app command, but unfortunately, nothing happens.

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MiKe | posted this 10 January 2019

Hi,

 

Unfortunatelly I will not help you but I've also noticed this kind of behaviour on TC75x AOSP Soti 13.3 but it happens very rarely and Enterprise or Factory Resets is able to solve it so I did not investigate any further. We plan to upgrade to 14.2 (or what will be available in near future) so I'll update if it still persist or not.

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Marius Iversen | posted this 11 January 2019

At least now I know other are experiencing the same issue. I'll update this post if I find a solution. Please share if anyone else have solved the issue.

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Wayne Wang | posted this 14 January 2019

I had the same experience before on Zebra devices either.

I tried to fix it by using StageNow and the following scripts.

enable_system_app com.android.settings

None of them worked.

We end up factory reset the device and re-enroll it.

It's very rare to see it, but it's good to know that i'm not the only one who experience this.

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Marius Iversen | posted this 21 January 2019

UPDATE:

 

I have now seen the same issue not only on Zebra TC56, but also Zebra TC51, on both Marshmallow/Nougat and AOSP and GMS. No solution yet...

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Eddie | posted this 25 January 2019

Have you added Settings to the Lockdown screen?

By doing so you whitelist it by default (no application run control - although adding it there doesn't hurt)

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Marius Iversen | posted this 25 January 2019

Hi Eddie

I have not added Settings to the lockdown. I don't want the users to be able to access Settings. I have enabled "Disable Status Bar Expansion", but not "Disable Settings Changes". 

 

I've tried adding Settings to a whitelist, but nothing happens. 

 

Just to be clear. I'm talking about the actual Settings icon in Android :-) 

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