So up on examining the different reports from people that bought Zelda Breath of the Wild and Mario Kart on their Switch that did never connect to the interwebs (whew... what a sentence!) they stumbled upon the update to 3.0.1 message.
I found out how and why!
Explanation:
Nintendo is making revisions of the game cartridges! This means that it is the same game, but with updated firmware! This is sh*t because everyone that is stuck on 3.0.0 is not able to play all the games whenever they like. At least, not when buying a new cartridge with an old game.
If you want to see what games need what firmware check the other post I made: click here!
How and what to look for:
The box is identical. The serial on the box has no way of indicating that you are dealing with a revision of the old game.
The game cartridge however has a serial number just above the metal contacts. And under the text HAC-008
000 = safe to play and probably playable on firmwares 3.0.0 and lower (of course not the newest games
)
001 and up = you are dealing with an updated version! Also known as a revision. Chances are you can not play the game and will be prompted with an upgrade.
What to do when you have a newer cartridge but don't want to update?
Best bet is to return the game and hope they have an old one laying around. DO NOT UPDATE OR YOU WILL LOOSE YOU'RE PRECIOUS 3.0.0!
I found out how and why!
Explanation:
Nintendo is making revisions of the game cartridges! This means that it is the same game, but with updated firmware! This is sh*t because everyone that is stuck on 3.0.0 is not able to play all the games whenever they like. At least, not when buying a new cartridge with an old game.
If you want to see what games need what firmware check the other post I made: click here!
How and what to look for:
The box is identical. The serial on the box has no way of indicating that you are dealing with a revision of the old game.
The game cartridge however has a serial number just above the metal contacts. And under the text HAC-008
000 = safe to play and probably playable on firmwares 3.0.0 and lower (of course not the newest games

001 and up = you are dealing with an updated version! Also known as a revision. Chances are you can not play the game and will be prompted with an upgrade.
What to do when you have a newer cartridge but don't want to update?
Best bet is to return the game and hope they have an old one laying around. DO NOT UPDATE OR YOU WILL LOOSE YOU'RE PRECIOUS 3.0.0!
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Last edited by BvanBart,