Damn it, I update to 4.5 firmware with Luigi's Mansion Dark Moon, but it gives me 4.5.0-0U, not 4.5.0-7U...
Read the PBT-CFW OP: https://gbatemp.net/threads/release-pbt-cfw-import-cias-on-your-sysnand.383242/
But my main purpose for doing this mod is to install a version of the browser to be used with ninjhax (I'm blocked to .6E).