Convert TL-WR703N back to standard openwrt?

[dac_2020]

I have a number of units which were used for mining and now I want to convert them back to openwrt.

Units are identical to new, nothing unusual hardware wize.

TP-Link TL-WR703N
hardware version 1.6 (even confirmed on the Ethernet port sticker, 1.6)

However, everything I have tried from making my own build using the latest image builder to try both factory and sysupgrade failed, to using openwrt factory and even using original tp-link software.

Each time, the upgrade bricks the device.

More info in /etc

in a file called avalon_version
20131229
cgminer: 698d677
cgminer-openwrt-packages: aadd747+
luci: 346e3e7+

Wondering if anyone might have some insight.

Thanks.

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[servicelabs]

(1)Download firmware image:
https://drive.google.com/file/d/0BwO2wkjQpBFER1l1Si1WSDFraFU/view?usp=sharing

(2)System->Backup/Flash Firmware

(3)Flash new firmware image -->Browse->Select image ->Flash image...

(4)Default IP:http://192.168.1.1

[Kluge]

Are you sure the device is bricked, or can you still communicate via TFTP? If you have the right firmware for the device, I could only guess the issue would be from not waiting long enough for the firmware to flash before hard-booting it (I screw this part up A LOT: I'm impatient). Hard to say without being in front of it, though.

[dac_2020]

Here is my post on openwrt with LOTS of extra info

[dac_2020]

It no longer boots. One LED blink and nothing else. It doesn't look for a dhcp address nor does it set one once it goes into this mode.
I figure at this point, it's bricked. I'm saving all the bricked units and will try to serial recover them in the future.

[dac_2020]

Does anyone know what the cgminer-openwrt-packages does to the device that it cannot be returned back to a standard factory openwrt build?

[dac_2020]

How about this... does anyone know the steps needed to convert the device to a u-boot version so that I can then restore a standard openwrt image back on these devices.

[dac_2020]

Gone