Nvidia Tegra2 250 (T20) Acer Iconia A200 ARX Mode NVFlash Recovery

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1

I have a tablet Acer iconia Tab A200 stitched with the latest firmware
the message on the screen was a red msc error bootloader.blob
and all the tablet does not respond Black Diode LED is on and the dispatcher is writing USB translated ARX
How to recover files if I do not have flash.bct files flash.cfg bootloader.bin

the driver is Nvflash, nvsbktool, wheelie

Tema, Ukraine 2018

2

SBK key found, the tablet went to restore procedure further writes

failed executing command 26 NvError 0x120002
command failure: sync failed (bad data)
bootloader status: Bct Write Failed (code: 22) message: nverror:0x42008 (0x6042008) flags: 0

Flash 32GB seems to have died?