It's similar to the flashcardtimewarp that people have been using for this purpose before 3.2.1 came out. It lets the Gateway run the blue card, which is a DS card. This is mainly needed for the N3DS, since you can downgrade an original 3DS.
If you install it, and you also install the mset .cia, which is an old version of system settings, you can use an exploit on the N3DS similar to the one on the 4.x original 3DS. This uses the blue card and is accessed through system settings. If you only install the mset .cia, you can use the exploit, but you need to use the NVRAM option on the Gateway menu instead of the blue card. This saves you from having to carry around Cubic Ninja or Ocarina of Time (as long as you don't play a DS game).
If you play a DS game, you sometimes may need to use the blue card or CN/OOT+NVRAM again.
On a N3DS, you always need to use Zelda or Cubic Ninja once to get to the Gateway menu, then you can install the blue card fix and mset so you don't need to use it again.
Gateway menu just installs the nvram that is part of the exploit."blue card fix" is not required for this. The Gatway menu itself installs the mset exploit.
The Gateway menu only installs the NVRAM profile, not the MSET.CIA file. MSET downgrades the System Settings app to open the hole that the NVRAM Profile uses to reboot into the launcher. Think of it more like MSET unlocks the fire escape door out back, and the NVRAM Profile is a brick used to keep it propped open. Running DS mode software sometimes causes that brick to get kicked out of the way, and so you need to put it back to use the door to get in again. You can use the Gateway launcher, but in order to do that, you have to get inside another way (like using Cubic Ninja), or you can use the blue card to do it. Bluecardfix.cia is a buddy who lets you inside the building so you can put the brick back in the doorway, since the blue card is normally blocked from running."blue card fix" is not required for this. The Gatway menu itself installs the mset exploit.
"blue card fix" is not required for this. The Gatway menu itself installs the mset exploit.
If you install mset from Gateway's menu and then play a DS game. Do you have to reinstall it?
mset.cia needs only to be installed once (using DevMenu). mset is not what's being installed by the Gateway menu. The NVRAM profile (installed through Gateway menu or through blue card) must be installed again each time you play a DS game. Some people have had theirs "stick", but it's not yet understood what allows it to stick and what doesn't, so you might get lucky, but expect to have to reinstall it.If you install mset from Gateway's menu and then play a DS game. Do you have to reinstall it?
the bluecardfix is v0 of the ds whitelist. it's legit. if you update the fw, you will lose it and you will need to install it again.
'flashcardtimewarp.cia' is spoofed to the max version so it is not legit, but it will not be removed if you update your fw.
you basically get the same results no matter what you install
Can this bluecardfix be used on a 9.2.0 o3DS XL to play flashcarts (such as my SuperCard DS One i, which was blocked when 4.5 came out) if I borrowed my friend's gateway to install it?
Can this bluecardfix be used on a 9.2.0 o3DS XL to play flashcarts (such as my SuperCard DS One i, which was blocked when 4.5 came out) if I borrowed my friend's gateway to install it?
I don't think the bluecardfix only would be enough, you'll may have to downgrade the twl_firm too.
Is that more risky? Isn't that essentially replacing the entire NDS/DSi emulation software? I've read reports of people bricking their DS Mode by replacing TWL_FIRM. I suppose, since my card is reported working on 4.4.0, I should download the latest pre-4.5 TWL_FIRM for the best chance of stability, then. Other topics I've read say that people should downgrade, then update everything except TWL_FIRM and whitelist manually using CIAs and DevMenu
It seems to me that the 4.4.0-10 TWL_FIRM would be 0004013800000102 v5681. Could someone knowledgeable about these files double check for me?
The first twl_firm available is the v1489. And you don't risk anything, the worst that can happen is that you completly break the ds compatibility, bu you can still repair it if you restore the nand backup you made before doing anything.
How do I Restore the NAND backup just in case? I don't see that option in Gateway's web exploit, and I don't think I saw any documentation on it on their website about restoring a NAND backup.
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Restoring SysNAND
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Skip this section if you do not specifically need to perform this operation
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It is very important that you do not attempt to restore the SysNAND from another console to your 3DS/2DS. You must only restore the SysNAND that was created from the console you are trying to restore it to. Failure to do this will cause your 3DS/2DS to no longer be usable.
Step 1:
Insert an SD card into your 3DS/2DS with the NAND.BIN you created earlier with the Backup System NAND feature.
Step 2:
From the Gateway Menu, use the Directional Pad to navigate to the “Downgrade Console” option. Press and hold the Up directional key and press A to enter the “Restore System NAND” mode.