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The '''SystemUpdater''' is a collection of SRL 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 mainly used for development consoles, and they do not work on retail units.
== Features ==
==Features==
The features for this cartridge are very simple. 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 devsigned TAD's will be installed. 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 features for this cartridge are very simple. 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. 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).
If 32MB of memory is found, it will be listed as '''IS_TWL_DEBUGGER'''.
If 32MB of memory is found, it will be listed as '''IS_TWL_DEBUGGER'''.
<gallery caption="SystemUpdater Images" widths="200px" heights="200px" mode=packed >
<gallery widths="200px" heights="200px" mode="packed" caption="SystemUpdater Images">
File:UpdaterScreenNoCash1.png|thumb|The main menu, showing a selection of regions.
File:UpdaterScreenNoCash1.png|The main menu, showing a selection of regions.
File:UpdaterScreenNoCash2.png|thumb|You can cancel the update by pressing B, freezing the menu, forcing you to restart.
File:UpdaterScreenNoCash2.png|You can cancel the update by pressing B, freezing the menu, forcing you to restart.
File:UpdaterScreenNoCash3.png|thumb|The menu asking you if you want to continue.
File:UpdaterScreenNoCash3.png|The menu asking you if you want to continue.
File:UpdaterScreenNoCash4.png|thumb|The menu testing if it can write to the NAND. It copies TWLCFG#.dat files afterwards.
File:UpdaterScreenNoCash4.png|The menu testing if it can write to the NAND. It copies TWLCFG#.dat files afterwards.
File:UpdaterScreenNoCash5.png|thumb|The updater failing to install, due to devsigned TAD files.
File:UpdaterScreenNoCash5.png|The updater failing to install, due to update-signed TAD files.
File:UpdaterScreenNoCash6.png|thumb|The updater completing the installation. You have to turn off the DSi yourself.
File:UpdaterScreenNoCash6.png|The updater completing the installation. You have to turn off the DSi yourself.
</gallery>
</gallery>
[[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==
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 "maketad.exe" like most TADs, these are signed with "maketad_updater.exe" which uses an unknown key. Because of this the TAD files cannot currently be decrypted back into SRLs.
== Available versions==
==Available versions==
With the updater comes a HTML file for instructions and troubleshooting. On the bottom of the page is a changelog listed.
With the updater comes a HTML file for instructions and troubleshooting. On the bottom of the page is a changelog<ref>[https://randommeaninglesscharacters.com/dsidev/man/twlsystemupdater.html Twl SystemUpdater README (rmc)]</ref> listed.
[[File:RevisionHistory.png|thumb|500px|center]]
[[File:twlsystemupdater history.png|center|thumb|464x464px|Twl SystemUpdater revision history from the TwlSDK.]]
==References==
<references />
==Notes==
*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 says v1.4E_dev, notifying you it has been updated using a SystemUpdater cartridge.
*The dev-version 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.