Question Can I downgrade from 9.0.1?

Discussion in 'Switch - Exploits, Custom Firmwares & Soft Mods' started by Americanista, Oct 4, 2019.

  1. Americanista
    OP

    Americanista Member

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    Dec 21, 2009
    Mexico
    Just like the title says. I haven't modded my switch in any way.

    What's the best way to do it? Downgrade? Or install a patch directly?

    Thanks for your answers.
     
  2. Hayato213

    Hayato213 GBAtemp Guru

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    Dec 26, 2015
    United States
    No, just stay on 9.0.1, CFW works on 9.0.1 firmware.
     
    Americanista likes this.
  3. Americanista
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    Americanista Member

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    Dec 21, 2009
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    That's great news. What cfw or exploit works?
     
  4. Hayato213

    Hayato213 GBAtemp Guru

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    Dec 26, 2015
    United States
    You can use Atmosphere 0.9.4 for firmware 9.0.1, not sure if the latest SX OS work on 9.0.1, but don't waste your time downgrading high chance you would get an unbootable state.
     
    Americanista likes this.
  5. Americanista
    OP

    Americanista Member

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    Dec 21, 2009
    Mexico
    Thank you for your quick replies.

    I'll try atmosphere later today and I'll let you know.

    Thanks again guys
     
  6. BaamAlex

    BaamAlex (*(vu64 *)0x1FF81100)

    Member
    6
    Jul 23, 2018
    Germany
    CFW - Kosmos
    Exploit - If your unit is unpatched fusée gelée. If it's ipatched keep it on 4.1.0 to use a warmboot exploit called "caffeine". But this doesn't work on the mariko revision.
     
  7. zxr750j

    zxr750j GBAtemp Regular

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    Sep 29, 2003
    Netherlands
    Uuuuu
    First check if your unit is patched (check serial number)!
     
  8. Americanista
    OP

    Americanista Member

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    Dec 21, 2009
    Mexico
    Thanks. Yes, I just got a switch v2 so I can soft mod my old one. The old one is a day one switch.
     
    zxr750j likes this.
  9. Americanista
    OP

    Americanista Member

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    Dec 21, 2009
    Mexico
    Finally, after a few mishaps, I was able to install Atmosphere on my switch. Thanks guys for your help.

    I have two questions.

    - I read (and experienced) that the CFW is "temporary". That means I can reboot my switch, load the OFW and play online like nothing happened or there's a risk of getting banned?
    - Can I keep the switch online? Or should I keep it disconnected at all times?

    Again, thanks for your help. :toot:
     
    Last edited by Americanista, Oct 6, 2019
  10. seany1990

    seany1990 GBAtemp Regular

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    Aug 3, 2015
    If your sysnand is clean then you can go online on it AS LONG as its the stock option and not with cfw. You need an emunand for this though. You need to keep it offline at all times on a cfw nand, even when not using any of the uncertified software.
     
  11. Americanista
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    Americanista Member

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    Dec 21, 2009
    Mexico
    Ok, how do I know if my sysnand is clean?
     
  12. OneAngryGamer

    OneAngryGamer Advanced Member

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    Aug 19, 2019
    United States
    Various people from this place confirmed that the latest SXOS runs fine on 9.0.1
     
  13. seany1990

    seany1990 GBAtemp Regular

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    Aug 3, 2015
    Its in the exact same state it was before you first put the switch into rcm and added atmosphere.
     
  14. Okaris

    Okaris Newbie

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    Jul 10, 2015
    Senegal
    The only real way to know is if you created a NAND backup prior to installing cfw.
    Otherwise, you can try going to eshop on what you think is the clean sysnand and see if you get an error code. This is very risky however as if you have a 'dirty' nand it could lead to a ban later.
     
  15. The Real Jdbye

    The Real Jdbye Always Remember 30/07/08

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    Norway
    Alola
    High chance of getting flagged for a ban if you have any nsps installed. If you want to play online safely you should make an emuNAND/emuMMC and use that for CFW keeping your sysNAND for legit, OFW use only.
     
  16. Americanista
    OP

    Americanista Member

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    Dec 21, 2009
    Mexico
    Guys, Thank you very much for all your help.

    I was able to install Atmosphere, I had problems installing NSPs directly, so I tried via USB and after a few tries, I was able to do this.
     
  17. RedRose30

    RedRose30 GBAtemp Fan

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    Jul 14, 2016
    United States
    I don't want to hack my switch until the end of it's life cycle (don't want to get banned). Hopefully the last update ever released will be exploitable.
     
  18. Americanista
    OP

    Americanista Member

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    Dec 21, 2009
    Mexico
    I agree. But I had some money saved and got a Switch V2, I hacked the old one, and will only use it as a repository/emulation station
     
    RedRose30 likes this.
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