Okay... start with a fresh template0418.txt file. Don't forget to DL the Setting.ini file and replace it if you are using Diskwriter v2.02b1.
Now go DL a copy of Super Mario Bros 2. Or make a copy of the one you already have.
Now you have added ONLY the Private Header to all of your games that use Macronix (C2) Chip ID.
Here is an example of what we are doing:
Then to apply individually, repeat process to make a header.bin file for specific Chip IDs only this time don't apply to all but select the .3DS file you're going to use and convert it.
Don't use the copy you made to export the header. You want a blank DL .3DS ROM. If you are using a DUMPed ROM with Private Headers you are risking it not working. This method is for DLed .3ds ROMs only.
You should ONLY be making changes to the template.txt file. Leave the ROMs alone. The only time you want to duplicate the ROMs is for savedata.
HOWEVER, doing this means you will lose you savedata because now the 3DS thinks it's a new game cart and the savedata from the 3DS won't match with the new private headers.
So you will have to start Pokemon all over again. Sorry...
Now go DL a copy of Super Mario Bros 2. Or make a copy of the one you already have.
Open up ROM-Patcher.
Open your SMB2.3ds ROM in ROM-Patcher.
Put your Private Header in and leave everything else alone.
APPLY CHANGES
Now EXPORT HEADER.
Save the header as "macronix_C2.bin".
Close ROM-Patcher.
Open NO BAN NO SKY.
Find your fresh template and double-click it.
Find your macronix_C2.bin file and double-click it.
Click PATCH ALL GAMES IN TEMPLATE.
Now you have added ONLY the Private Header to all of your games that use Macronix (C2) Chip ID.
Here is an example of what we are doing:
BEFORE:
** : CTR-P-XXXX
SHA1: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
00 00 00 00 C2 FF 00 90 C2 22 13 00 69 C2 96 3D <--- leave the Chip ID and EEPROM ID alone
43 54 52 49 4D 41 47 45 00 00 00 00 00 00 00 00
C4 FB 46 7B 5B E5 FA 64 C6 38 99 35 25 61 09 E4
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF <--- going to change this line only
FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
43 54 52 2D 50 2D 42 46 52 45 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 15 35
AFTER:
** : CTR-P-XXXX
SHA1: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
00 00 00 00 C2 FF 00 90 C2 22 13 00 69 C2 96 3D
43 54 52 49 4D 41 47 45 00 00 00 00 00 00 00 00
C4 FB 46 7B 5B E5 FA 64 C6 38 99 35 25 61 09 E4
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX <-- This line should now be your Private Header
FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
43 54 52 2D 50 2D 42 46 52 45 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 15 35
** : CTR-P-XXXX
SHA1: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
00 00 00 00 C2 FF 00 90 C2 22 13 00 69 C2 96 3D <--- leave the Chip ID and EEPROM ID alone
43 54 52 49 4D 41 47 45 00 00 00 00 00 00 00 00
C4 FB 46 7B 5B E5 FA 64 C6 38 99 35 25 61 09 E4
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF <--- going to change this line only
FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
43 54 52 2D 50 2D 42 46 52 45 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 15 35
AFTER:
** : CTR-P-XXXX
SHA1: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
00 00 00 00 C2 FF 00 90 C2 22 13 00 69 C2 96 3D
43 54 52 49 4D 41 47 45 00 00 00 00 00 00 00 00
C4 FB 46 7B 5B E5 FA 64 C6 38 99 35 25 61 09 E4
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX <-- This line should now be your Private Header
FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
43 54 52 2D 50 2D 42 46 52 45 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 15 35
Don't use the copy you made to export the header. You want a blank DL .3DS ROM. If you are using a DUMPed ROM with Private Headers you are risking it not working. This method is for DLed .3ds ROMs only.
You should ONLY be making changes to the template.txt file. Leave the ROMs alone. The only time you want to duplicate the ROMs is for savedata.
HOWEVER, doing this means you will lose you savedata because now the 3DS thinks it's a new game cart and the savedata from the 3DS won't match with the new private headers.
So you will have to start Pokemon all over again. Sorry...