boot2 installation

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So people can do a complete update entirely through homebrew, pretty much.

Original issue reported on code.google.com by Flamesha...@gmail.com on 15 Jan 2010 at 9:30

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This would be an enhancement request, however.

Original comment by Flamesha...@gmail.com on 15 Jan 2010 at 9:30

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So question is, why would you want to update to boot2 v4? From my understanding 
there
is no added benefit to going to v4 and once you have v4 install it prevents 
running
some older IOSes. Also once you upgrade to the latest boot2 you cannot 
downgrade. So
if you really want this then we will consider it but I really don't think you 
will
have any added benefit on upgrading.

Original comment by Lunatik.CN@gmail.com on 16 Jan 2010 at 1:27

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there is one reason i can think of to add this feature.

if you upgraded to 4.2, and did it manually through wads off of NUS Downloader, 
or any 
other method, and leaving boot2(cuz bootmii in there makes it unbrickable) new 
games 
still update (like NSMB) to the new boot2. and from my understanding when you 
install 
bootmii over the new boot2 it doesn't ask to update.

Original comment by hatred...@gmail.com on 17 Jan 2010 at 9:03

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@Lunatik: boot2v4 is functionally no different from any other version of boot2. 
You
still could run ancient crap like IOS12 v6 if you wanted to.

This is for people who:
1. Try to update entirely through Dop-IOS MOD and get confused and scared when 
they
see NSMBWii or other new games ask for an update.
2. Want to reinstall BootMii before they do the 4.2 update and not have the 4.2
update erase it, pretty much what hatredg0d said.

Original comment by Flamesha...@gmail.com on 19 Jan 2010 at 12:40

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I would like this feature too.
Couldn´t we use the ´proper´ boo2-update code by the Twizzlers?

Original comment by User8...@googlemail.com on 19 Jan 2010 at 4:42

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Sounds like a few people want it so I'll add it to the list.

Original comment by Lunatik.CN@gmail.com on 19 Jan 2010 at 5:41

• Changed state: Accepted

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We can't actually use the Twiizers code, as it isn't open.

Maybe the first implementation could use ES_ImportBoot and later versions could 
use
custom code first and then ES_ImportBoot as a fallback.

Original comment by Flamesha...@gmail.com on 20 Jan 2010 at 2:56

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Even then I still need to do some thorough research. One thing I don't want to 
do is
potentially mess up the boot install process and completely brick the wii. I 
also
want to do some checks and balances to make sure not only that I'm doing it 
properly
but also I don't want to wipe out those who have bootmii installed. Like I said 
I
have it on the list but it may take some time.

Original comment by Lunatik.CN@gmail.com on 20 Jan 2010 at 3:57

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This is just an FYI Only. I talked with Team Twiizers and just some notes on 
this
matter. 

1. Whenever I run ES_ImportBoot to upgrade the boot2, It WILL wipe out BootMii. 
There
is no way around this. You will have to rerun banner bomb and have to reinstall
BootMii. I will of course have a note about this in the screen prompts.
2. Once you update your Boot2 you cannot offically downgrade unless you have a 
backup
copy of your nand with an older boot2.

Original comment by Lunatik.CN@gmail.com on 25 Jan 2010 at 1:41

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Maybe have it as a separate app?  I would feel that DOP-IOS is no longer as 
safe if
this feature is added.

Original comment by lpq...@gmail.com on 26 Jan 2010 at 10:59

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Why would a separate app matter? The upgrade of boot2 would be done exactly the 
same
way no matter which app it is ran from. The comments I made above applies no 
matter
what per Team Twiizers.

Original comment by Lunatik.CN@gmail.com on 27 Jan 2010 at 12:41

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@11: I knew the first one, I did not know the second.

By that, do you mean that it will refuse to boot older IOSes or system menus? 
As in,
I couldn't go back to 2.0U if I wanted to?

Original comment by Flamesha...@gmail.com on 27 Jan 2010 at 2:22

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The reason you cannot downgrade the boot2 easily is because ES_ImportBoot will 
block
it due to the version numbers. It'll allow you to upgrade but not downgrade. So 
that
only way to get an older version back onto the Wii is by directly flashing the 
NAND.
And the only "safe" way to do that is via BootMii Backup/Restore.

You can run some older sysmenu versions. I'm not sure if it blocks them all but 
I
have tested down to v3.2 so far and it seems to be working. I also tried 
downgrading
to 2.0 just a little while ago, but I'm having problems with the content 
hashes. I
think nintendo may have modified the TMD, but not 100% just yet. I'll keep 
testing
though.

Original comment by Lunatik.CN@gmail.com on 27 Jan 2010 at 1:58

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I know :P
But being the paranoid, pessimistic person I am, I want 
some security that nothing will go horribly, horribly 
wrong, so I'm a little touchy when it comes to boot2 :P

Original comment by lpq...@gmail.com on 28 Jan 2010 at 5:56

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I hear ya. Well to put your mind at ease. I'm working directly with Members of 
Team
Twiizers on the boot2 stuff and they know the boot2 stuff better than anyone 
else ;)

Original comment by Lunatik.CN@gmail.com on 28 Jan 2010 at 6:18

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@flameshadow: Good news. Boot2v4 does not block the 2.X. 

Original comment by Lunatik.CN@gmail.com on 30 Jan 2010 at 5:16

Attachments:

• [1-30-2010 11-12-55 AM.png](https://storage.googleapis.com/google-code-attachments/dop-iosmod/issue-19/comment-18/1-30-2010 11-12-55 AM.png)

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Available in v12 Beta. http://code.google.com/p/dop-iosmod/downloads/list.

I have tested this on my own Wii multiple times and it seems to work for me.

Original comment by Lunatik.CN@gmail.com on 9 Feb 2010 at 5:48

• Changed state: NeedsTesting

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Original comment by Lunatik.CN@gmail.com on 15 Feb 2010 at 9:34

• Added labels: v12

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Original comment by Lunatik.CN@gmail.com on 4 Mar 2010 at 4:19

• Changed state: Done