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06-09-2020

Chile

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Removing battery = boot loop

2020-06-09, 14:14 PM

 Hello 

 

    We have a set of E5 (XT1944-3) in a project that we want to setup so we can have them working without the battery. 

 

They are already configured for auto-on whenever they receive current from the power line, now, we tried removing the battery flex but the phone ends in a boot-loop. 

 

Is there a way to bypass / solve this loop ?    we appreciate any insight

 

(we initially thought about rooting the devices, but it looks like there is no more support for this by motorola) 

 

Cheers 

 

 

 

 

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132 Posts

09-11-2019

United States of America

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Re:Removing battery = boot loop

2020-06-09, 15:17 PM

Hi gtmar, 

 

Thanks for posting. Try to remove first your Sim Card and SD Card on the device. Does the issue persists after doing so? Have you tried to get into the recovery mode to perform an external reset? If in case that you can't get into recovery mode to perform an external reset, I recommend using the LMSA tool and see if it helps to reset the phone. Once you downloaded the tool, kindly perform the "Rescue" function. Please see the links for the instruction.

https://support.lenovo.com/us/en/downloads/ds101291

https://support.lenovo.com/us/en/solutions/ht102605

 

Best regards, 

Mike 

Motorola Support

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3 Posts

06-09-2020

Chile

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Re:Removing battery = boot loop

2020-06-09, 21:46 PM
Hello Mike Thanks for the quick response, but it looks like I did not explained myself clearly. The phone is fully functional. We need to be able to disconnect the flex cable that connects the battery to the phone and have the phone working only when it is connected via the power micro-usb connector. Is that possible ? We disconnected the mentioned flex cable and the phone when it boots it shows a text saying "bad key" at the top left corner of the screen and then reboots itself making it a loop. Thanks in advance for the help
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6777 Posts

02-11-2016

United States of America

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Re:Removing battery = boot loop

2020-06-18, 13:47 PM

@ gtmar wrote:
 

Hello Mike Thanks for the quick response, but it looks like I did not explained myself clearly. The phone is fully functional.We need to be able to disconnect the flex cable that connects the battery to the phone and have the phone working only when it is connected via the power micro-usb connector.Is that possible ? We disconnected the mentioned flex cable and the phone when it boots it shows a text saying "bad key" at the top left corner of the screen and then reboots itself making it a loop.Thanks in advance for the help

 

This is really outside of the spec/normal usage of the phone. This is not something we can really assist with. I have moved your post to the developer community in hopes another user can help assist.

 

Best of Luck on your project.

-Tom



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3 Posts

06-09-2020

Chile

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Re:Removing battery = boot loop

2020-06-21, 0:32 AM

I agree.

 

Thanks Tom ! 

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