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Lumia 520 - Unable to find a bootable option

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+InsaneNutter    1,348

A friend has asked me to look at this Nokia Lumia 520, apparently it turned on one day and displayed this error message "unable to find a bootable option. Press any key to shutdown"

 

1zvc2ef.jpg

 

Nokia Software Update for Retial recognises the phone and says software can be installed:

 

2njc64o.jpg

 

This downloads fine and starts the install process, however always fails with the message "phone not supported by nokia software updater retail"

 

I have also tried using NaviFirm+, searching for the product code 059S3T5 which lets me download the RM914_3058.50000.1425.0006_RETAIL_eu_euro1_327_06_452364_prd_signed firmware.

 

However i'm unable to flash this with the Nokia Care Suite, it states: 0xFA001106: Signature check of FFU file fails. Reason(s): The FFU file is not correctly signed or not signed for this device.

 
15xny53.jpg
 
Has anyone got any suggestions on what else i can try to flash this firmware? or to try fix the phone?
 
Cheers :)

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vcfan    2,338

stage bootloaders failing sig checks, firmware images failing sig checks. looks like the public key/oem cert got corrupted. it may need a jtag reflash(if its stored in the flash). if not, and its in something like nvram, you may need to replace the motherboard :/

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123456789A    4,710

Have you tried connecting a keyboard to it and pressing a key?

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neo158    281

Have you tried connecting a keyboard to it and pressing a key?

Huh :s  :huh:, you do realise this is a phone and not a tablet or PC don't you?

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+Human.Online    8,449
you do realise this is a phone and not a tablet or PC don't you?

 

With a fully functioning micro USB port ;)

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+InsaneNutter    1,348

stage bootloaders failing sig checks, firmware images failing sig checks. looks like the public key/oem cert got corrupted. it may need a jtag reflash(if its stored in the flash). if not, and its in something like nvram, you may need to replace the motherboard :/

 

Sadly that appears to be the case from everything else i have since read online, their was a Nokia service center around 30mins from here, if it's still about ill suggest my friend takes it there if he thinks it worth fixing. Cheers for the reply anyway.

 

Have you tried connecting a keyboard to it and pressing a key?

 

 

Don't need to! the phone has physical buttons and it switches off.

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vcfan    2,338

With a fully functioning micro USB port ;)

 

actually nokia removed the mouse and keyboard drivers from the uefi image

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siah1214    1,510

Huh :s  :huh:, you do realise this is a phone and not a tablet or PC don't you?

It's Enron, I'm sure he did and he was just making a joke.

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+Human.Online    8,449
actually nokia removed the mouse and keyboard drivers from the uefi image

 

You're joking, right?  WHY???

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vcfan    2,338

You're joking, right?  WHY???

 

I don't know if those drivers include otg functionality in them, or if those are supposed to be provided by a separate module that isn't available. they could have been removed because of that lack of support.

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