Changes

| 0x4E800 || ? || Unused (all 00)

| 0x4E800 || ? || Unused (all 00)

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| 0xffa00 || 0x400 || Factory test area (often contains build date of device in plaintext)

| 0xffa00 || 0x400 || Diagnostic area. (often contains build date of device in plaintext) Blank in never-before-booted DSi. Might be written to during firmware updates.

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| 0x10ee00 || ? || start of per-console unique encrypted data

| 0x10ee00 || ? || First sector of main FAT32 partition

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