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Galaxy S - All Things Root Rooting, ROMS, Overclocking, etc.

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Old December 13th, 2010, 08:50 AM   #1 (permalink)
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Hey guys,

Whenever I try to do stuff in recovery mode (like installing the Voodoo lagfix or backing up using ROM manager), I get a "signature verification failed" message.
My phone is a froyo 2.2 Samsung Galaxy S GT-i9000, rooted (used z4root) and has OCLF 2.3 installed, but I had this problem even before it was rooted (when I tried to install the Voodoo lagfix).

This are the messages I get when I try to backup my ROM using ROM manager:


update media, please wait

update media, finished

-- Install from package...
Finding update package...
Opening update package...
Verifying update package...
E: failed to verify whole-file signature
E: signature verification failed

-- Appling Multi-CSC...
Istalling Multi-CSC
Installation aborted.

Help will be greatly appreciated!

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Old December 13th, 2010, 09:10 AM   #2 (permalink)
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You have Recovery 3e, I think. You have to change it to e2, in which you can install unsigned thingy.
So, google it, or take a look at the xda forums.

edit: after a little search, I found this, take a look:
http://forum.xda-developers.com/showthread.php?t=788108

edit 2: and this:
http://eb-productions.proboards.com/index.cgi?board=samsungsgs&action=display&thread=3
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Old December 13th, 2010, 12:45 PM   #3 (permalink)
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Thank you for the reply!
Honestly, this feels like going into the deep end and I don't feel like it. I have my carriers ROM installed on my device, and I know how to unroot + undo my lagfix - but i'm not sure I can handle kernel stuff just yet.

Few more question if you don't mind:
If Samsung will release an official 2.3 Gingerbread ROM to the Galaxy S, I will be able to install the 2.3 Samsung ROM on my phone, right?

Will I be able to install it on my device and still somehow go back to my carriers 2.2 ROM in case I need to? without the ROM backup that is.

Thank you!
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Old December 13th, 2010, 08:40 PM   #4 (permalink)
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I have the same problem and I don't know what to do. I want to root my Galaxy S desperately so I.can use cuatom roms. I'm using a Samsung Galaxy S 16 gigabyte with stock Froyo 2.2.1 installed. I can't apply any update.zip in recovery mood without getting 'E:Signature Verfication Failed. Installation aborted.' I've checked to make sure the file is named correctly and it is. I obviously can't install Clocwork either to bypass the signature check.
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Old December 14th, 2010, 04:07 AM   #5 (permalink)
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You don't need to root/unroot your phone. You do have to remove the lagfix.

Flash an Eclair rom using ODIN. That will give you 2e recovery.
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Old December 14th, 2010, 04:59 AM   #6 (permalink)
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But once you install a different ROM on your phone / root it using CF-Root - you can not undo it, so you can't really backup your current ROM.
Kind of risky, don't you think?
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Old December 14th, 2010, 05:25 AM   #7 (permalink)
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Quote:
Originally Posted by Thomas.Tallis View Post
But once you install a different ROM on your phone / root it using CF-Root - you can not undo it, so you can't really backup your current ROM.
Kind of risky, don't you think?

I bought the phone directly from samsung (as in from a shop instead of a carrier), so I can don't have to worry about carrier roms. But i can see what you mean.

What's your carrier's policy on updating through kies?
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Old December 14th, 2010, 05:56 AM   #8 (permalink)
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I read the warranty that came with the phone and it seems Kies updates are okay, but they reserve the right to feel differently if they think you did anything you shouldn't have done.

Why? is there someway to bypass the issue using Kies?
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Old December 15th, 2010, 09:03 AM   #9 (permalink)
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Well, if you flash back to an old firmware, and then upgrade normally using KIEs, they shouldn't be able to tell any difference.
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Old December 16th, 2010, 05:37 AM   #10 (permalink)
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Actually, flashing ROMs or kernels or whatever, they aren't very hard. Yes, there is risk, but if you research well, and enlist the possible mistakes and take the precautions, it is easy.
About the warranty, yes it is tough to do that.
But it just seems so strange to me, that you have a phone with unlimited choices in software, but you do nothing! It is so flexible that you can change strings and while the stock ROM says "Please do not turn it on" you tweak and change so your phone says "Dammit, I told you not to do this!"
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Old December 21st, 2010, 12:22 PM   #11 (permalink)
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Guys, thanks for all the help! I used the CF-Root linked here by beer-in-box, then used Voodoo but the results were not great. ended up thinking "the hell with it" and just installed a custom rom.
Pretty happy with it so far

One question: should Samsung decide to release Gingerbread, will I be able to install it using Kies? or will I just have to rely on custom roms from now on?

Thank you!
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Old December 22nd, 2010, 02:10 AM   #12 (permalink)
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You need to go back to a stock rom before you can update using KIEs.

But why would you go back to stock once you have a taste of custom rom? :P
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