Moving from SX OS SD-emunand to SD-hidden_emunand

josete2k · Feb 6, 2019

Hey...

massijay said:
Thank you

I wrote a small explaination of the first 1024 bytes' content:

View attachment 155080

So, and sorry if it's an stupid question, could we resize our emunand partition?

I'm missing with the ending sector and size of partition but as they are fixed values in the first 1024 I'd wish to resize my emunand to 15Gb...

Code:

00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01
01 00 07 FE 7F 9E 02 20 A4 03 FE DF 2B 1A 00 00

Here's my hex data (256Gb exfat)

massijay · Feb 8, 2019

josete2k said:
Hey...

So, and sorry if it's an stupid question, could we resize our emunand partition?

I'm missing with the ending sector and size of partition but as they are fixed values in the first 1024 I'd wish to resize my emunand to 15Gb...

Code:

00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 01 00 07 FE 7F 9E 02 20 A4 03 FE DF 2B 1A 00 00

Here's my hex data (256Gb exfat)

I don't know how sx os recognizes the emunand "partition" but I think that it always looks for the same sectors, so I assume we cannot resize the microsd emunand yet.
If you want to try, you should first make a backup of all your data and then resize the fat32 (or exfat) partition with GParted or similar software, but I think it wouldn't work

Alex0520 · Apr 11, 2019

Hello, I am trying to move from a 128gb microsd to a 256gb, I have a hide partition emunand and I want to migrate it, could someone explain me how to do that?

pcwizard7 · Apr 25, 2019

what tool is needed to do this?

GraFfiX420 · Apr 25, 2019

pcwizard7 said:
what tool is needed to do this?

dd, built into decent OS'

pcwizard7 · Apr 25, 2019

Guide
https://translate.google.com/transl...munand-de-sxos-de-en-particion-oculta_2317654

dd for Windows works too

Download dd from http://www.chrysocome.net/download

Ferras2 · May 31, 2019

It is absurdly simpler and easier to use the same method that was used in the early days of emunand in 3ds, use the HDD RAW Copy Tool to create an SD image and then inject into the other (or copy entirely from one to the other directly), after that use the Minitool Partition Wizard (or any other similar program) to resize the partition (if it is in fat32 you should give it to resize directly, if it is exfat you need to copy the visible files from the SD to PC, then "delete" the visible partition and recreate, taking care to create the partition just after where the emunand is) It sounds complicated, but it's quiet, there's a video (it's not mine, I found it on youtube):

MasterJ360 · Jun 2, 2019

comput3rus3r said:
All I did was backup my sd card. Created a new hidden emunand with sxos and then copied over the emutendo folder (not overwriting anything) it seems to be working with all my games/saves etc.

Thanks for the info this is very helpful to those who use xci often & keeps everything on the sd card

alexj9626 · Nov 5, 2019

Sorry wrong thread.

ThePeter · Jan 4, 2020

Hey, so I tried doing this on Windows. But after creating the combined emunand.bin file I tried to copy it back, but it always gives me access denied. What can I do about this?

lisko · Sep 2, 2020

Hi I successfully migrated from system partition emunand to sd files and then, following this tutorial, to hidden partition emunand and switched to atmosphere. The problem is that the emunand on system partition was of 20GB instead of 32 and now I have a 32GB hidden partition but a 20GB emummc. To not waste space is there something I can do for resizing the emummc? Thank you

EDIT: in case someone has this problem too I found a little python script (there's also a windows app) which resize the user partition from emunand.bin.

Code:

 https://gist.github.com/ckurtz22/5748f3f761e0a546675f2720a1e5e486

The default user partition size is 0x680000000 bytes and the tool accepts the size in decimal GiB so 26 GiB should be the correct default size. I still haven't tried this but I plan to do it later this day and report.

EDIT2: I successfully resized the emunand with the python script above. The emunand input file it takes is a concat of boot0, boot1 and all full.xx.bin so without first1024.bin. After resizing is done you can concat first1024.bin with resized emunand and burn to SD as OP.
Beware that while you will retain your profiles and play statistics all other things will be lost, including saves so make sure you have a verified backup of them first. After booting the new emunand you will notice that your saves seems to be there but you will receive an error trying to start your games. You'll have to remove the saves for the game manually from system settings and, if needed, restore them from a backup and your game will load fine.

TonyNESgri · Dec 14, 2022

[Original Post from :]

https://gbatemp.net/threads/emutool...on-sxos-and-more.550756/page-18#post-10024190

Excuse me, I didn't quite understand the part about converting emuNAND files into a partition. What exactly is the initial sector of the partition I'm about to create ? I took a look at this tutorial, but to be honest, I'm not sure whether I would need to input the same data as it is in the tutorial or is that data specific to each Switch user ? If the latter, how can I find it ?

Also, is it safe for my two SD cards ? Nothing's going to get deleted during the emuNAND conversion and transfer, is it ?

Thank you in advance

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