[U-Boot] Use u-boot to recover bricked NVIDIA SHIELD TV.

[Matthew Gorski]

On Mon, Jun 19, 2017 at 11:53 AM, Stephen Warren <swarren at wwwdotorg.org>
wrote:

> On 06/18/2017 04:46 PM, Matthew Gorski wrote:
>
>> I am curious if there is a possibility to recover a wrongly flashed
>> NVIDIA SHIELD TV device by flashing u-boot instead of cboot and mounting
>> the emmc in uboot to do some repairs.
>>
>
> The NVIDIA SHIELD TV is a production Android device, and hence I'm pretty
> sure it has boot security enabled. This security also applies to the USB
> recovery mode protocol, so I don't believe you'll be able to communicate
> with the device unless you know the system's keys, which I assume you don't.


> There is some support for flashing generic upstream Linux onto the NVIDIA
> SHIELD tablet, but I believe that relies on  making (at least some of) the
> modifications from a running system, so if your system isn't booting, I
> don't expect this will work either. Just in case it's useful, see:
>
> https://github.com/linux-shield


Here is a thought I would gladly give anyone that has access to the needed
device keys access to my build system and they could shell in and wget the
private key to flash and then delete (my last ditch effort at a hail mary
recovery)