Not able to install OpenWRT on Linksys EA8500

[tmomas]

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EA8500 Install Advice

I was able to use TFTP but over the serial connection, as I needed to access the bootloader to trigger it. I can confirm that version check is not enforced by bootloader, so you can flash from there. If you are willing to open your device, the serial pins are clearly visible. The pins are not marked, but you can find the right connectors order in: Openwrt device page.