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Thank you, I will try that with the 2013 drive for sure. As far as the 2018 I got it to work completely. I had to reformat and reinstall windows 10 from scratch brand new. After all the latest drivers and updates, I decided to try the tool again, and it worked and now it downgraded successfully to 1...

I just got the new drive in today, its dated 2018 and SVC code NS50. Rom 1.03... So I opened your program again, and now it says NO error occured... It wont show the drive on either USB dongle or on the chipset motherboard. Both will show in the computer and I tossed in a blu ray disc just to make s...

I don't see any NS40 in the zip file you provided. Do you have a link to the NS40 firmware or can you tell me where I can get it? Thank you so much!

I don't see it on the label, however, when I downloaded the 1.03 firmware, it states it directly in the flasher program. It was flashed back to the 1.03 And still does not spin up when a disc is inserted. I am going to order a new one on amazon and it will be in tomorrow, hopefully I can hook it up ...

So I tried to downgrade my LG WH14NS40 that had 1.03 on it, down to 1.02 that was supplied in your zip file. It flashed successfully, then I restarted the PC. Now it only recognizes the drive in device manager and My Computer. NO spin up or anything. It gets power, as it can open and close the drive...