Am in the the same shoes... got a bricked NT 8GB... looking forward to restoring 1.4.2...
attempts to restore the firmware to factory:
Cyanoboot + altboot + B&N 1.4.2
Followed guide here http://forum.xda-developers.com/show....php?t=1562130
, using (a) the img from dropbox and (b) nooktablet_1_4_2_update.zip from B&N. No luck. The process stops on the initial screen on cyanoboot, where it shows 'Loading (sd)...'. I don't even get to enter the menu that shows the boot options.
flashing_boot + B&N 1.4.2 update in ext3 partition
Next I downloaded the img link above, http://forum.xda-developers.com/show...63&postcount=5
, no luck also, the tick appeared on the flash 'Installing new software' screen after 4 minutes. After I removed the mSD card, the NT did a data cleanse, and got an error message about 40% into the factory restore prompting me to contact B&N. It then goes into the reboot loop (this is where I am now).
No luck. NT don't even boot up to mSD with the mSD card slotted in.
I've tried the above multiple times, downloading the files few times as well. Am still stuck in the reboot loop.
Would like to seek help from gurus here for pointers... Am stuck at this point.