>>29551524The guide and its tools are as retard-proof as possible, there's security checks everywhere. Remember the main target of it are GBAtemp and reddit kids, who are known for their retardation. They even made a knock-off of Decrypt9 without the "dangerous" options because people were still picking the wrong option on D9 and losing A9LH despite the correct one being in BOLD LETTERS.
At this point, the only way to brick is if your 3DS or your SD dies during a NAND write.
>>29551621What
>>29551645 said, but you'll also need basic homebrew to even access it when the time comes. See
https://ianburgwin.net/ez3ds/ for your options. With basic homebrew you can also spoof your firmware version to use online features. If you get it and want to be extra safe, use the spoofer to enter eShop then buy Fieldrunners ($5 bucks), which has a mostly guaranteed downgrade way in late december if the other hax doesn't happen.
