[Tutorial] How to Decrypt, Extract & Rebuild 3DS|CIA|CXI Files

This tutorial will try to help you decrypt and extract a 3DS|CIA|CXI file to change its content, and will also explain how to rebuild your game once edited.

Thanks a lot to Ericzander & BullyWiiPlaza for their help to translate this tutorial in english
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[Tutorial] How to Decrypt, Extract & Rebuild 3DS|CIA|CXI Files