How to editing online header template file

you cannot play online game you will get this Error Code 002-0123 some of the old or new template sky3ds team forgot to patch the online header

that why a lot of people get Error Code 002-0123 yes i know you can play online but sky3ds team need to patch the header in the template file to let you play online

just patch the online header you will be fine i patch my own online header in template file save it then burn the game

** : CTR-P-XXXX
SHA1:...

How to editing online header template file