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Problems with Feature Control with Devices with Hotswappable Battery / SuperCapacitor

JD
John Doe
Eisen Karl GmbH

I have currently the strange Problem that when i enable feature control on our TC8300, and someone pulls out the battery or it gets empty the device gets somehow stuck and wont boot again for another 10-15 minutes until all energy from the circuits depleted.

I think its a power management issue correlated to the hibernation possibilitys (supercapacitor) to change the battery without shutting the device down.

If i remove feature control and reboot the device i can not reproduce the issue at all.

Has anyone run into the same issue or not , and if so what featurecontrol settings have you enabled?

Running on:

Agent:  

14.5.3.1017

MC:

15.3.1

battery feature-control hibernation
4 years ago
Android
ANSWERS
MD
Matt Dermody Diamond Contributor
4 years ago

We have thousands of TC8300s deployed with Feature Control and have never seen something like this. That is a relatively new Agent version so maybe it was a bug introduced with that? Did this start happening after an Agent upgrade?

The one feature I could think could maybe be involved in this behavior is Doze mode. Do you have Doze Mode disabled in Feature Control? It should be by default when creating a Feature Control Profile. 

JD
John Doe
4 years ago

Hi Matt,

i will test withouth dozemode shortly but we rely on having it deactivated.

We also first encountered the issue when updating the devices to Android 10.

JD
John Doe
4 years ago

Just to give an update on this matter.

I narrowed it down to airplane mode not being allowed via feature control.

After allowing it the issue is gone.

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