SystemUpdater

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SystemUpdater
SystemUpdaterMenu.png
Picture of v1.4a, running on No$GBA
Cart IDNTRJ - 0SUA
Found versionsv1.3a, v1.4, v1.4a
ROM Build Date2010-04-15 (v1.4a)

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

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). If 32MB of memory is found, it will be listed as IS_TWL_DEBUGGER.

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[1]. Rather than being signed with "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 this script.

The debugger common key: A2FDDDF2E423574AE7ED8657B5AB19D3

The signing process for the updater TADs can be found in the gigaleaks at: TwlIPL/trunk/build/systemMenu_tools/SystemUpdater/data/Makefile

Twl SystemUpdater uses "maketad.updater.exe" to sign its TAD files.

Available versions

With the updater comes a HTML file for instructions and troubleshooting. On the bottom of the page is a changelog[2] listed.

Twl SystemUpdater revision history from the TwlSDK.

References

Notes

  • 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.
  • 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.