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FSIDs and Filenames
Flipnote Studio IDs are the primary method of user identification on Flipnote Studio. They consist of 16 hexadecimal (0-9, A-F) digits.
They are generated when the user first starts Flipnote Studio, then they remain constant unless the system is reset and/or the Flipnote Studio app is deleted.
Using 1440D700CEF78DA8 as an example Flipnote Studio ID:
| Value | Description |
|---|---|
| 1 | Region ID |
| 440D70 | Unknown -- possibly generated from a per-console seed |
| 0 | This is always 0 |
| CEF78DA8 | Last 8 digits of the DSi console's MAC address |
| Value | Description |
|---|---|
| 0 | Japan - These are from version 1, and carried over when updated to version 2 |
| 1 | Japan - Version 2 and above |
| 5 | Americas |
| 9 | Europe and Oceania |
Using F78DA8_14768882B56B8_030 as an example Flipnote Filename:
| Value | Description |
|---|---|
| F78DA8 | Last 6 digits of the DSi console's MAC address |
| _ | Constant |
| 14768882B56B8 | Unknown -- seemingly random |
| _ | Constant |
| 030 | Number of edits |
It's possible that the last six digits of a Flipnote filename may not be the same as the last six digits of the creator's Flipnote Studio ID.
While this is a rare occurrence, it can happen if the DSi console has been repaired after the Flipnote Studio ID was generated (the MAC address is stored on the WiFi card -- if that's replaced then the MAC address changes).
When writing a file, it uses the current MAC address in the filename, not the Flipnote Studio ID.
It's very possible that the "random" data is based on a timestamp.