ROM Hack Accessing eShop on Previous Firmware

[SSJ2 Dark]

I'm just getting into the 3DS custom software scene, so I don't know a lot yet. I read about the Spider web browser method to dump New Leaf RAM for editing and injection, and that's pretty cool. I have an original 3DS with 9.2 (updated via Smash Bros 3DS), so I tried it and it works great.

But now I think about how I'd like to get some Fire Emblem and Smash Bros. DLC, and that if I connect to the eShop, it will require/force an update, and then I can't use the Spider exploit. So given that my 3DS has no mods besides outdated firmware (which I'm open to, depending on cost), is there a way for me to purchase off the eShop and still use Spider tools?

 

[The Real Jdbye]

Yes.
If you set up a CFW like rxTools/Pasta CFW, you can use this: https://gbatemp.net/threads/release-free-multi-patcher.391945/
Alternatively, you can scan this QR code: https://chart.googleapis.com/chart?cht=qr&chs=220x220&chl=http://dukesrg.no-ip.org/3ds/rop?spoof.dat which when opened in the browser will appear to do nothing, but when you exit the browser it shows an error, and you'll be able to access the eShop until you turn the 3DS off.

 

[SSJ2 Dark]

Awesome, thanks for the reply, TRJ! I'll try the QR code method tonight after work, and read about the multi patcher method.

Out of curiosity, can you tell me the gist of what the QR code is doing? I'd guess it's blocking the firmware check or sending a dummy response, but I'd like to learn a bit about it.

 

[The Real Jdbye]

Awesome, thanks for the reply, TRJ! I'll try the QR code method tonight after work, and read about the multi patcher method.

Out of curiosity, can you tell me the gist of what the QR code is doing? I'd guess it's blocking the firmware check or sending a dummy response, but I'd like to learn a bit about it.

I believe it patches out the CheckSysUpdateAvailable function to always return 0 (no update available), making the system think it is up to date.

 

[SSJ2 Dark]

I couldn't get the QR code method to work, but I found something similar that worked after resetting the system a few times:

https://gbatemp.net/threads/how-to-spoof-firmware-to-access-eshop-and-more-on-new-3ds-and-old-3ds.386591/

One more related question: is it possible to install a game update without updating the 3DS firmware? Smash Bros keeps telling me to update it (I think I have to in order to DL Mewtwo), but I'm worried that updating the game will force update the 3DS firmware.

 

[pikatsu]

This QR code works for fw above 9.2 too?