A new Nintendo Switch firmware update is available to download. System software version 20.1.5 has been pushed out to systems, and you'll never believe what's in the patch notes. This new firmware adds--you guessed it--general system stability improvements to enhance the user's experience. For now, it's not exactly certain what this update really changed under the hood, so keep an eye on the usual sources before you update your Nintendo Switch.

Ver. 20.1.5 (Released June 18, 2025)​

General system stability improvements to enhance the user's experience.

Source

 

[Reploid]

switch 2 games forward compability

 

[OblivionReign]

Works fine for sys and emu

 

[ertaboy356b]

Looks like a compatibility updated for Carbon Engine games like Gex Trilogy.

 

[ertaboy356b]

--- double post ---

 

[drowzeehypno]

Can anyone test if this patched Migs

 

[ertaboy356b]

Can anyone test if this patched Migs

Dude, you're asking people to risk their stuff for you.

 

[xps2]

mig switch still work firmware 20.1.5 tested on all switch 1 models v1 v2 lite oled

mig switch still work firmware 20.1.5 tested on on switch 2

 

[drowzeehypno]

mig switch still work firmware 20.1.5 tested on switch lite

hmm interesting, does it still work on switch 2?

 

[Darth Meteos]

Can anyone test if this patched Migs

it doesn't
you should use yours to confirm my findings

 

[Flame]

hmm interesting, does it still work on switch 2?

Test it yourself.

 

[LeddaZ]

Works fine for sys and emuView attachment 511886

cat-approved cfw

 

[Sang Nguyen]

Works fine for sys and emuView attachment 511886

Bro stop posting false information and you have no proof that it works

 

[Jack_Bauer]

Does it break atmosphere?

 

[Sang Nguyen]

Does it break atmosphere?

Yes it break atomsphere

 

[mathew77]

Works fine for sys and emuView attachment 511886

Are you 100% sure? Thanks.

 

[OblivionReign]

Bro stop posting false information and you have no proof that it works

You feeling ok lil bro? Want me to run a go fund me for glasses for you? 2 videos now showing it works.

 

[UnderJinx]

No problem. Prod key will be uploaded in 2-3 weeks

 

[OblivionReign]

No problem. Prod key will be uploaded in 2-3 weeks

Master key revisions are only in major firms ie, 18.x.x, 19.x.x, 20.x.x // is fine.

 

[thekarter104]

The Switch 2 got an update too.