Hacking Restore A9LH Nand backup on B9S

raphamotta · May 23, 2017

So I have a Nand Backup that I did with Hourglass9 on 11.4 FW when I had A9LH. I'm now on B9S and want to restore this backup.

Can I do it without problem?
Can I use the hourglass9 firm version for it?

suzsuzuki · May 23, 2017

That's indeed a very good question.

sora10pls · May 23, 2017

For what reason do you want to go from B9S back to A9LH?

driverdis · May 23, 2017

Matt :^) said:
For what reason do you want to go from B9S back to A9LH?

Most likely, they want to restore the backup but keep B9S. I doubt anyone with it would remove it.

raphamotta · May 23, 2017

Matt :^) said:
For what reason do you want to go from B9S back to A9LH?

driverdis said:
Most likely, they want to restore the backup but keep B9S. I doubt anyone with it would remove it.

Yes just want to restore my backup. I don't know if I gonna lose B9S with this, or mess the system.

Oleboy555 · May 23, 2017

You could try it and post the results

driverdis · May 23, 2017

raphamotta said:
Yes just want to restore my backup. I don't know if I gonna lose B9S with this, or mess the system.

Hourglass9 is designed to restore backups without removing A9LH so restoring a NAND backup should not remove B9S either. also it was updated a few days ago for use with sighax so it now has a FIRM payload to use.

EDIT: Use Godmode9, this is listed under the features (B9S is sighax when it comes to NAND restoring so it will work)
https://github.com/d0k3/GodMode9/releases

Restore NAND dumps while keeping your A9LH / sighax installation intact: Select Restore SysNAND (safe) from inside the A button menu.

Deleted User · May 23, 2017

@raphamotta I wouldn't do what @Oleboy555 suggested unless you have a hardmod and a backup of your system with B9S.

Wait until somebody with a hardmod does this

raphamotta · May 23, 2017

blujay said:
@raphamotta I wouldn't do what @Oleboy555 suggested unless you have a hardmod and a backup of your system with B9S.

Wait until somebody with a hardmod does this

Yeah I don't want to turn my 3DS into a brick. That why I asked here. Maybe @Plailect can answer that, or @d0k3 .

Plailect · May 23, 2017

NAND Restores with Hourglass9 or GodMode9's Safe NAND Restore function do not overwrite the FIRM partitions (where B9S is stored). Yes, you could restore this backup.

https://3ds.guide/godmode9-usage#nand_restore

Deleted User · May 23, 2017

With Decrypt9WIP, you can. Pick NAND restore or forced, and not 'keep a9lh'.

Argentlan · May 23, 2017

I made it without problem
even by keep a9lh or not

StevenLexon · May 25, 2017

use godmode9 to restore

qwertoman · May 25, 2017

I installed b9strap, then restored my first a9hl nand backup and everything works as normal, I still have boot9strap installed

Hacking Restore A9LH Nand backup on B9S

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