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From Rare Gaming Dump
Fixed calling encryption signing.
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The '''SystemUpdater''' is a collection of TAD files that allow you to update an IS-TWL-DEBUGGER or DSi Panda. These were mainly used for development consoles, and they do not work on retail units.
The '''SystemUpdater''' is a collection of TAD files that allow you to update an IS-TWL-DEBUGGER or DSi Panda. These were only used for development consoles, and they do not work on retail units.
==Features==
==Features==
The cartridge contains updates for all regions (including China and Korea since v1.4) and they will be installed when selected. When a region has been selected, all the data will be deleted from the NAND and update-signed TAD's will be installed. The stage2 bootloader will also be installed if needed. Unlike regular TWL carts and exploits that do not have NAND access, this one does. If done correctly, the tickets, TWLCFG0.dat, TWLCFG1.dat and the system menu, with the bundled DSi applications have been installed. [[TwlNmenu]] and [[NandFiler]] are optional.
The cartridge can also detect if you're on a Panda or Debugger. If 16MB of memory is found, it will be listed as '''TWL CONSOLE''' (Panda, IS-TWL-CAPTURE).
The cartridge can also detect if you're on a Panda or Debugger. If 16MB of memory is found, it will be listed as '''TWL CONSOLE''' (Panda, IS-TWL-CAPTURE).
[[File:TWLCartNonWatermark.jpg|thumb|150px|left|Confirmed image of the cartridge. The same cartridge is used for TWL prototypes and other development applications.]]
[[File:TWLCartNonWatermark.jpg|thumb|150px|left|Confirmed image of the cartridge. The same cartridge is used for TWL prototypes and other development applications.]]
==Uniquely signed TADs==
==Uniquely signed TADs==
The TAD files in NitroFS are not development signed<ref>[https://randommeaninglesscharacters.com/dsidev/twlsystemupdater.html Twl SystemUpdater (rmc)]</ref>. Rather than being signed with "[https://randommeaninglesscharacters.com/dsidev/man/maketad.html maketad.exe]" like most TADs, these are signed with "maketad.updater.exe" from TwlIPL. This tool uses the debugger common key, found in the ARM7 bootrom right after the dev/prod common key. TwlNmenu does not work with debugger key, so you'll need to decrypt the TADs with [https://gist.github.com/rvtr/f1069530129b7a57967e3fc4b30866b4/ this script].
The TAD files in NitroFS are not development encryped<ref>[https://randommeaninglesscharacters.com/dsidev/twlsystemupdater.html Twl SystemUpdater (rmc)]</ref>. Rather than being created with "[https://randommeaninglesscharacters.com/dsidev/man/maketad.html maketad.exe]" like most TADs, these are created with "maketad.updater.exe" from TwlIPL. This tool encrypts the TAD contents with the debugger common key, found in the ARM7 bootrom right after the dev/prod common key. TwlNmenu does not work with debugger key, so you'll need to decrypt the TADs with [https://github.com/rvtr/remaketad.pl/ this script].
The debugger common key: <code>A2FDDDF2E423574AE7ED8657B5AB19D3</code>
The debugger common key: <code>A2FDDDF2E423574AE7ED8657B5AB19D3</code>
*Holding SELECT and A at the same time when continuing an update skips the installation for TwlNmenu and NandFiler.
*Holding SELECT and A at the same time when continuing an update skips the installation for TwlNmenu and NandFiler.
*Instead of the version number being (eg.) v1.4E, it says v1.4E_dev, notifying you it has been updated using a SystemUpdater cartridge.
*Instead of the version number being (eg.) v1.4E, it will be appended with "_dev", notifying you it has been updated using a SystemUpdater cartridge.
*The development DSi firmware cannot import or export .bin files from the system settings like a retail unit. It can only delete applications, therefore, TwlNmenu must be used.
*The development DSi firmware cannot import or export .bin files from the system settings like a retail unit. It can only delete applications, therefore, TwlNmenu must be used.
