Restoring Stock Firmware without TFTP

Obtain the boot files for your device
see Extract Boot Files from Stock Firmware

Prepare the hard drive

 * 1) create a partition table, mbr seems to work for all devices most newer ones also accept gpt
 * 2) create partition1
 * 3) format partition1 ext3
 * 4) mount it and copy initrd.buffalo and uImage.buffalo to it

Boot the device
connect the drive to the device and boot it up, after a few minutes it should be in em mode.

Enable Debug Options in firmware updater
see LSUpdater/TSUpdater

Install the Firmware
It should find the device in EM mode. go to the debug menu and check the boxes as described in (I typically just check them all if starting with a blank drive) :

https://herzig-net.de/?page=unbrick_ls-wxl

6. With any luck the firmware install will succeed and the device will boot up after about 10 minutes.