B9 and 11.5 Questions

Discussion in '3DS - Flashcards & Custom Firmwares' started by Skeet1983, Jul 28, 2017.

  1. Skeet1983
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    Skeet1983 GBAtemp Addict

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    Hi guys. My N3DS has B9 and Luma 7.x installed. Is it safe to update to System Firmware 11.5? Is that still the latest FW? Also, will the following still work after update:

    - BootNTR
    - Freeshop/CIA games
    - JKSV/JKSM

    Thoughts and help appreciated on all of this :)
     
  2. KunoichiZ

    KunoichiZ GBAtemp Guru

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    Yes it is safe and yes all of those will still work after.
     
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  3. Skeet1983
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    Skeet1983 GBAtemp Addict

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    Is 11.5 still latest?
     
  4. KunoichiZ

    KunoichiZ GBAtemp Guru

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    Yes.
     
  5. Skeet1983
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    Skeet1983 GBAtemp Addict

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    Ok, thanks for the info. I am backing up SysNAND now, going to update FW next...

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

    Um, is there any reason I should update FW? I am on 11.3 or 11.4 right now. Latest game I have is Ever Oasis. Thoughts appreciated :)
     
  6. KunoichiZ

    KunoichiZ GBAtemp Guru

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    11.5 adds new to the table. I haven't updated yet because there's no reason for me to.
     
  7. Skeet1983
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    Skeet1983 GBAtemp Addict

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    Should I just stick to whatever I already have? I just don't want to miss out on new and upcoming games. Next game I plan to get is Metroid Samus Returns.
     
  8. KunoichiZ

    KunoichiZ GBAtemp Guru

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    Just wait and see if any new games require an updated firmware and if they do, update when it is safe to.
     
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  9. Skeet1983
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    Skeet1983 GBAtemp Addict

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    Ok, thanks :)
    I backed up my SysNAND using GodMode9. Size was 1.84GB. Does that size sound correct? Some of my previous SysNAND backups were smaller than that, but that was before I had B9 installed. Thoughts appreciated :)
     
  10. KunoichiZ

    KunoichiZ GBAtemp Guru

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    That sounds right. Someone can correct me if I'm wrong though.
     
  11. nl255

    nl255 GBAtemp Addict

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    No, it is because of how the different backup tools work as well as how the SysNAND is laid out. Essentially, your SysNAND is like a hard drive with multiple partitions on it (ctrnand, twlnand, and some other stuff) and the o3ds used a NAND chip of a certain size to hold it all. However newer systems often use a larger NAND chip (bigger hard drive) such as the 1.84GB one you have. However for backwards compatibility reasons, Nintendo doesn't use the extra space. Thus, your Sysnand consists of 1.21GB of space that has been allocated and is being used, and 0.63GB of space that is empty and will never be used (with one potential future exception, see below).

    So tools like hourglass9 (or d9wip when doing a nandmin backup) don't do a backup of the entire NAND chip, but just the parts that have been partitioned/allocated which is why your older backups are 1.21GB. However GM9 (and d9wip when doing a full nand backup) will dump everything on the NAND chip, including 0.63GB worth of empty space (typically consisting of either 0x00 or 0xff, aka all zeros or all ones).

    The catch is that while it is not finished/stable yet it is possible, thanks to cfw and other tools, to make the partition where dsiware is stored (twlnand) larger than what Nintendo gives you and have the extra space be usable. Thus, if you have a larger than stock twlnand partition, doing a "trimmed" NAND backup won't back up everything anymore. So backing up the entire NAND chip, empty space and all, is the easiest way to make it "future proof".
     
  12. Skeet1983
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    Skeet1983 GBAtemp Addict

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    I am confused... my sysnand size is wrong? Would I be able to restore that nand backup if need be?


    Sent from my iPhone using Tapatalk
     
  13. nl255

    nl255 GBAtemp Addict

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    Yes you would, unless you modified your twlnand/dsiware partition to be larger than normal (and you would know if you did as it is not a simple process). Basically, the size of the actual NAND chip in 3ds/2ds systems is not always the same and can vary between 1.21GB to 1.84GB. However Nintendo only ever uses the first 1.21GB of it regardless of how large it is. Everything past the 1.21GB is wasted/empty space. That is why your older backups are smaller, as there is no point in backing up empty space that will always be empty.

    However in the future it will be possible to use that extra/wasted space which is why in the future you should only do full sized backups with gm9.
     
    Last edited by nl255, Jul 28, 2017
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  14. Skeet1983
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    Skeet1983 GBAtemp Addict

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    Ok thanks for the help and info :)

    For future reference, how do I do a full SysNAND backup with GM9? In GM9 I pressed home button, then "More...", then "Backup NAND"...
     
  15. nl255

    nl255 GBAtemp Addict

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    You just did. I don't think there is a way to do a minimal/trimmed NAND backup in gm9.