The Switch 21.0.1 system update was released on November 25, 2025 (UTC). This Switch update was released for the following regions: ALL.

Security flaws fixed: <fill this in manually later, see the updatedetails page from the ninupdates-report page(s) once available for now>.

Change-log

Official ALL change-log:

  • Fixed an issue where Error Code: 2011-0301 or Error Code: 2168-0002 would repeatedly occur on a Nintendo Switch when attempting a system transfer using local communication from a Nintendo Switch system to a Nintendo Switch 2 system.
  • General system stability improvements to enhance the user's experience.

System Titles

  • The following titles were updated:
    • Sysmodules: pctl, migration.

RomFs changes:

IPC Interface Changes

  • Unknown Interface prev-version: 0x7100127590 [ID = 0x29d8801c]
  • Unknown Interface cur-version: 0x71001274E0 [ID = 0x29d8801c]
  • Interface Changed: nn::migration::user::IService
    • Changed: 2250 - outinterfaces: ['0x7100127590 [ID = 0x29d8801c]'] -> ['0x71001274E0 [ID = 0x29d8801c]'] (final state: inbytes: 0x18, inhandles: [1], outbytes: 0x0, outinterfaces: ['0x71001274E0 [ID = 0x29d8801c]'])
    • Changed: 2260 - outinterfaces: ['0x7100127590 [ID = 0x29d8801c]'] -> ['0x71001274E0 [ID = 0x29d8801c]'] (final state: inbytes: 0x4, inhandles: [1], outbytes: 0x0, outinterfaces: ['0x71001274E0 [ID = 0x29d8801c]'])

migration

  • Updated L_110d90, prev ver @ L_110d90.
    • This is the async task created by nn::migration::device::IServer cmd300.
    • The params passed to L_111570 were updated.
  • Updated L_111570, prev ver @ L_111580.
    • This is only called by L_110d90.
  • Updated L_112d90, prev ver @ L_112df0.
    • Validation was updated.
    • ...
  • Updated L_112fc0, prev ver @ L_113070.
    • The "if (inx3<0x8) <return error>" check now uses value 0x10.
    • ...
  • Updated L_12b3e0, prev ver @ L_12b490.
    • The validation at the end now checks for >0x150000 instead of 0x140000.
  • L_183d60 new func?
  • L_18f7f0 new func?

See Also

System update report(s):


Nintendo Switch System Versions
1.0.0
2.0.02.1.02.2.02.3.0
3.0.03.0.13.0.2
4.0.04.0.14.1.0
5.0.05.0.15.0.25.1.0
6.0.06.0.16.1.06.2.0
7.0.07.0.1
8.0.08.0.18.1.08.1.1
9.0.09.0.19.1.09.2.0
10.0.010.0.110.0.210.0.310.0.410.1.010.1.110.2.0
11.0.011.0.1
12.0.012.0.112.0.212.0.312.1.0
13.0.013.1.013.2.013.2.1
14.0.014.1.014.1.114.1.2
15.0.015.0.1
16.0.016.0.116.0.216.0.316.1.0
17.0.017.0.1
18.0.018.0.118.1.0
19.0.019.0.1
20.0.020.0.120.1.020.1.120.1.520.2.020.3.020.4.020.5.0
21.0.021.0.1