If you cfw an N3ds and have the otp file for another N3ds, is it possible to take the SD card from the cfw 3ds and put it in the 3ds without cfw?

It's a good way to confuse where the otp.bin came from and cause a brick.If you cfw an N3ds and have the otp file for another N3ds, is it possible to take the SD card from the cfw 3ds and put it in the 3ds without cfw?