The FS for the system-version title(TID 0100000000000809) contains "/file" (and, with [5.0.0+], "/digest"):

Offset Size Description
0x0 0x1 Major
0x1 0x1 Minor
0x2 0x1 Micro
0x3 0x1 Padding
0x4 0x1 Revision Major
0x5 0x1 Revision Minor
0x6 0x2 Padding
0x8 0x20 Platform string ("NX" with zeros afterwards)
0x28 0x40 Version hash (Hex ASCII string). 0x28-bytes(not including NUL-terminator) normally with zeros afterwards.
0x68 0x18 Display version (System-version in string form with zeros afterwards, e.g. "2.1.0"). This is what is displayed in System settings.
0x80 0x80 Display title (System version in longform, e.g. "NintendoSDK Firmware for NX 2.0.0-15"). This is what is displayed in DevMenu.

Known Versions

Retail Firmware Updates

Firmware Version String Hex ASCII String "/digest" contents
1.0.0 NintendoSDK Firmware for NX 1.0.0-15 84b8da475a02261c456e6472b403b31416480165 N/A
2.0.0 NintendoSDK Firmware for NX 2.0.0-15 25233e518f580062b41f45fae7ce56bff261094a N/A
2.1.0 NintendoSDK Firmware for NX 2.1.0-0 e548f82b0aaff5fd18cfd80e7b9bd9808eeb7c99 N/A
2.2.0 NintendoSDK Firmware for NX 2.2.0-1 c83b637205048e61e73c870f21271cc3c6364396 N/A
2.3.0 NintendoSDK Firmware for NX 2.3.0-0 3ed3bbc8885b6362f4f244dcecd2b430fa27310e N/A
3.0.0 NintendoSDK Firmware for NX 3.0.0-10.0 7fbde2b0bba4d14107bf836e4643043d9f6c8e47 N/A
3.0.1 NintendoSDK Firmware for NX 3.0.1-0.0 a3363e086791370ed89dca69c697b4a8bc443d66 N/A
3.0.2 NintendoSDK Firmware for NX 3.0.2-0.0 56bc7f71d0e13179ccb6543bbb33d7f537859e49 N/A
4.0.0 NintendoSDK Firmware for NX 4.0.0-4.0 875be0f6edc29b23938b7aea50764421b9f217e5 N/A
4.0.1 NintendoSDK Firmware for NX 4.0.1-0.0 826588c45cecab1672c46f5de87d83ea6008d583 N/A
4.1.0 NintendoSDK Firmware for NX 4.1.0-0.0 314f9468b704e84e1ffed449dfa6108ba4be221d N/A
5.0.0 NintendoSDK Firmware for NX 5.0.0-3.0 66790aa646927601523df36a6750205cd944b3de gW93A#00050000#QRnTiv2kqQV-KO9DAn1Wzz4S2-SDH4Zd10y8Jx5KalI=
5.0.1 NintendoSDK Firmware for NX 5.0.1-0.0 4b51b56242cc388ef487e148048e2c80e25994ad gW93A#00050001#wBt05i54vmIPr7cs44Vvod3M9s5M2Yl2ZVd_pd036MY=
5.1.0 NintendoSDK Firmware for NX 5.1.0-3.0 23f9df53e25709d756e0c76effcb2473bd3447dd gW93A#00050100#29uVhARHOdeTZmfdPnP785egrfRbPUW5n3IAACuHoPw=
6.0.0 NintendoSDK Firmware for NX 6.0.0-5.0 ef435c4fcf83831d535424f6fc28e6c91f7669d1 gW93A#00060000#9k9lgdev3glK0ltQTdWmdK7jU1BL9oWNJRAFkQpHUYI=
6.0.1 NintendoSDK Firmware for NX 6.0.1-1.0 880a0ba230a9b9225a87abe1de6c8ab8d832551e gW93A#00060001#a4EXpeev_mWNw7Dk0vkOsCMIxlosx2JuXPiOa5hEMd0=
6.1.0 NintendoSDK Firmware for NX 6.1.0-4.0 3e478da6353b192c36490f4aa34df0d10d575146 gW93A#00060100#FziXCoELZt0C7o-t_rro9xWTcKkgPrsksov-OVrL00c=
6.2.0 NintendoSDK Firmware for NX 6.2.0-1.0 921f86701e69af7ac02712e24abf18a666c2b5fb CusHY#00060200#-uAUBEUSc-Se5mvfhJsj3Krr9ayN7IyTX60_XcLsZkQ=
7.0.0 NintendoSDK Firmware for NX 7.0.0-5.0 e4b38b15e880d251c182323894077508803abaaf CusHY#00070000#5PRVTLegTfFlaOw3kznosYec9d8BxGj8pN3wqGa80so=
7.0.1 NintendoSDK Firmware for NX 7.0.1-1.0 b9d2547128fa22760492cf09bffd0a3e43f2132c CusHY#00070001#rBuhja_901l8V8bKFqeiNBCY-fflYlZVa_iqvkpEGJI=
8.0.0 NintendoSDK Firmware for NX 8.0.0-4.99 e19a1c3067a96ec3028d53564704e4fb76ef7c59 CusHY#00080000#s7CpDsmxJh1kenRjC5cfTDfbrMFNHxBbzr6XvNTA5RI=
8.0.1 NintendoSDK Firmware for NX 8.0.1-1.0 c7b483d6d953f515b9b449489dcfd828cb50fd69 CusHY#00080001#fgCfbpEweqCg1S49PsWL_b9R-C1Vj_hJ6aTmSRxycSQ=
8.1.0 NintendoSDK Firmware for NX 8.1.0-1.0 250fc5984a776bf488cdbde04acfac2cd853978f CusHY#00080100#OvqIXdglAGfnEd_VQr28t7rUtxNE6LHjMQicnQ9o7zk=
9.0.0 NintendoSDK Firmware for NX 9.0.0-4.0 4de65c071fd0869695b7629f75eb97b2551dbf2f CusHY#00090000#-80vwBkUjWLb5Kpb_cnuTjBZ0rHwZHhN7R1-vg0Ti5c=
9.0.1 NintendoSDK Firmware for NX 9.0.1-1.0 2a6263de2d9f790a0df759d365a8a971a2be1101 CusHY#00090001#qVDSOCehwMDCHyDnkXiTSJ1wEJZHtpRV_CLMKgD-fSw=
9.1.0 NintendoSDK Firmware for NX 9.1.0-1.0 5914af412282e4b9c0ced8fc19b7d04f74490a48 CusHY#00090100#vIPNrRbf30SoU8ZJ6uGklMqKAkyjHfdE9m6yLFeChkE=
9.2.0 NintendoSDK Firmware for NX 9.2.0-1.0 f420eb7a1345c3d7067c1fc8b9b0989d030e1041 CusHY#00090200#Uxxmc8gYnfMqxzdZdygZ_OrKo98O7QA65s_EkZnGsDo=
10.0.0 NintendoSDK Firmware for NX 10.0.0-6.0 0fa58d66530d710027dfcd6ecfd78ae4940cd7ec CusHY#000a0000#EmdxOnZjZ9Ihf3Zskt_48pYgowAUeeJccU6tCBIweEc=

Other

Firmware Version String Hex ASCII String "/digest" contents Note
2.0.0-2 NintendoSDK Firmware for NX 2.0.0-2 665fafc03935d12eebba8060a135516b021ccbaa Revision of factory firmware.
2.0.0-13 NintendoSDK Firmware for NX 2.0.0-13 60b5fa391b0055f50fec362d29ac18395f387412 Revision of factory firmware.
3.0.0 NintendoSDK Firmware for NX 3.0.0-10.0 83480e96a810a6c7cd3a8fb58dfb5b53961ac781 Revision of factory firmware.
3.0.1 NintendoSDK Firmware for NX 3.0.1-0.0 1fc07046046a3677a08b7cf9d49b4de0c957fb25 Revision of factory firmware.
6.0.0-4.0 NintendoSDK Firmware for NX 6.0.0-4.0 5dc1909aea612d7a444884faca584fa8ae895b5c Pre-release version of firmware 6.0.0.
8.1.1 NintendoSDK Firmware for NX 8.1.1-12.0 0d124bb8ddfe1065087d6837957357b369878ba3 CusHY#00080101#PNfaWb4Y5K1aH-JaerDQijXvq460tJdVp5kwe8HlGbA= Present on certain Chinese game cards
8.1.1 NintendoSDK Firmware for NX 8.1.1-100.0 16593da95879534f7d67af8edef0be017c8fcc32 CusHY#00080101#PNfaWb4Y5K1aH-JaerDQijXvq460tJdVp5kwe8HlGbA= Pre-installed on certain Lite devices

Development Firmwares

Firmware Version String Hex ASCII String Note
0.8.5-0 NintendoSDK Firmware for NX 0.8.5-0 3dd94e3e75a61a7a828756919dba98c42ed7069a Pre-release firmware.