Need Help Restoring Backup / Help Unbricking Switch

Discussion in 'Switch - Exploits, Custom Firmwares & Soft Mods' started by DaikuroX, Nov 3, 2019.

  1. DaikuroX
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    DaikuroX Member

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    Jul 12, 2018
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    My switch is stuck on nintendo logo and no longer boots but charges. This happened while playing Megaman on Atmosphere 8.1.0, prior to being bricked, i made a backup using REINX on a lower firmware version. My question is, Can i used that lower firmware backup to RESTORE/UNBRICK my switch? What steps should i do and follow? Hope someone can help me out.
     
  2. Hayato213

    Hayato213 GBAtemp Guru

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    Did you backup both Boot0/Boot1 and the Rawnand?
     
  3. Lacius

    Lacius GBAtemp Legend

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    Yes, you can restore an old NAND backup, even if it's a lower system version. You also need to restore the BOOT0/1 backups that comport with the system version the NAND backup was on.
     
  4. DaikuroX
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    DaikuroX Member

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    I have boot1, boot0 and rawnand.bin.00 to 07
     
  5. Lacius

    Lacius GBAtemp Legend

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    Then yes, you can restore this backup. Your system will refuse to boot without a custom bootloader like fusee-primary or Hekate due to a fuse mismatch, but you can update your system after you restore the old backup.
     
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  6. Hayato213

    Hayato213 GBAtemp Guru

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    Check if it is ~29.1GB
     
    Last edited by Hayato213, Nov 3, 2019
  7. DaikuroX
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    DaikuroX Member

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    Damn, what a bummer. Can i still try to restore it?
     
  8. Kubas_inko

    Kubas_inko "Something funny goes here."

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    Yes, you can restore the backup, but you will need to boot through rcm untill you update back to your current fw.
    If you want to be extra safe, do another backup now.
     
    Last edited by Kubas_inko, Nov 3, 2019
  9. Hayato213

    Hayato213 GBAtemp Guru

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    I never done any backup with ReiNX method, but check your NAND size, if it under 29GB then it probably incomplete.
     
  10. DaikuroX
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    DaikuroX Member

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    My backup size is only 16GB including Boot0/Boot1 and all rawnand.bins
     
  11. Kubas_inko

    Kubas_inko "Something funny goes here."

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    Do a backup now and try it. Otherwise this is an incomplete backup.
     
  12. DaikuroX
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    DaikuroX Member

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    Jul 12, 2018
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    My switch is already bricked and not booting, can i still do a backup? btw its already in 8.1.0 while my backup file came from an earlier fw

    — Posts automatically merged - Please don't double post! —

    My switch is bricked, i can't get past the Nintendo Logo :(
     
  13. Kubas_inko

    Kubas_inko "Something funny goes here."

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    You can always boot payloads. So do a backup via hekate (idk how you did it on reinx, but always do a backup via hekate and never when in os).
    Save this backup somewhere safe and once you are done with it, restore the old backup and try if it boots (you have to boot through rcm). If it won't work, you can restore this nonfunctional backup, but at least you wont have a franken fw.
     
    Last edited by Kubas_inko, Nov 3, 2019
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  14. The Real Jdbye

    The Real Jdbye Always Remember 30/07/08

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    Did you change anything recently? Updating firmware, installing NSPs, running any homebrew that messes with NAND, that kind of thing?
     
    Last edited by The Real Jdbye, Nov 3, 2019
  15. DaikuroX
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    DaikuroX Member

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    No
    No, just playing Megaman on Atmosphere 8.1.0 then it hanged, flash the atmosphere error and then no longer boots
     
  16. The Real Jdbye

    The Real Jdbye Always Remember 30/07/08

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    Maybe run Check Disk to make sure the SD card is not corrupted (if one of the Atmosphere or Hekate files got corrupted it might be enough for it not to boot)
    To run a thorough scan run this in command prompt: chkdsk X: /F /R (where X: is your SD card) otherwise only a quick scan is performed.
    After that overwrite the Hekate and Atmosphere files with fresh ones from the release archives (and get the sig patches again too just for good measure)

    Have you tried booting OFW?
     
    Last edited by The Real Jdbye, Nov 3, 2019
  17. DaikuroX
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    DaikuroX Member

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    Yes, i tried booting to OFW, no dice, plainly stuck on logo :(
     
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