Thanks thorasgar, yes I do have a backup of NAND but I would like to revert my emuNAND system settings to 9.0.0 while retaining my sysNAND settings as 4.5.0 for the DS profile hack. any suggestions on ways to achieve this?
Thank you Typhin, would like to thank the GBAtemp community as well, guess i'm getting more and more familiar with what I am doing. However, there is this problem, I can't download the MSET for 9.0.0. I tried 3DNUS which stuck halfway. waited for 10 minutes and nothing happened, the progress bar below of the program is not moving
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Downloading Firmware: 0004001000021000 9.0-9.5v8203
Downloading titlelist complete
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So I opted for the python method and managed to download it. Thank you everything is working now and I've already got back my 9.0.0 settings.
p/s Odd is that even after doing a ROM emuNAND update from 9.0.0 to 9.4.0 the menu still stays the same like MSET 4.5.
P/p/s why am I not able to download by using 3DNUS? for curiosity purposes