[Q] Root with Froyo 2.2 - Captivate Q&A, Help & Troubleshooting

I recently installed Froyo 2.2 firmware and my phone and my previous root reverted. When I try to reroot I get an error. When reinstalling packages it says "E:signature verification failed Installation aborted." What does that mean? how can I fix? How do I root my phone? Someone please help me....

Um.. hit the search button for one click root. Or how do I root.
Many many many many many answers on how to do this already. And check the wiki under the Dev forum up on top.

Related

One click lagfix - E:Signature verification fail

I am trying to install lagfix on froyo and force it. When I go into flash mode and apply the aip file i get the error message
E:signature verification failed
Installation aborted
Can anyone suggest any ideas
This is when trying to root the phone
BTW it worked fine on JM1
Any one help me???? Please
Samsung uses a different signature verification for froyo, so things that are intended for android 2.1 no longer work, i suggest the oneclick lag fix, it is available in the android market for free
Thats where I got if from, the market, and having this issue
you have to manually root the phone, and the process is different for 2.2
If you're running JPK, the root method is here
Thread moved to Q&A section

[Q] unrooting issues

hey all,
im having some issues with unrooting my I9000
i had a rooted 2.1 eclair device wich i updated to 2.2 now i cant root or unroot it anymore. tried aplying the update.zip wich gave me signature verification error and the one click root/unroot doenst even do anything (unless startup then)
do i need to reset the original firmware back again or is there a solution ?
gr
Nakkie
Did you root it again after you get 2.2? that's why you wanna unroot?? My understanding is that once you flash the firmware, the root is gone too.
nope my phone was rooted when i updated it but after the update apps said that it wasnt rooted anymore, so i tried rooting it again, that didnt work and the kernel version says root so that why i want to unroot, i want root 2.2
solved
installed SuperOneClick root and it worked thanks anyways

[Q] Is there a one click root for the new froyo?

Will the one click root for Froyo work with the just released version of Froyo (IE Feb 24)?
The one click rooting tool I mean can be found here.
http://www.xda-developers.com/android/one-click-root-for-froyo-running-captivates-emerges/
The old one for Eclair doesn't work anymore and gives an e certificate error.
tnerb123 said:
Will the one click root for Froyo work with the just released version of Froyo (IE Feb 24)?
The one click rooting tool I mean can be found here.
http://www.xda-developers.com/android/one-click-root-for-froyo-running-captivates-emerges/
The old one for Eclair doesn't work anymore and gives an e certificate error.
Click to expand...
Click to collapse
it should work fine. just follow the instructions. i didnt see any real changes to the rooting method that was used in JI6....
just go with a custom rom, they will be faster than stock and without the ATT bloat anyway...and its rooted for you
I too am unable to root the O/S after updating to Official FroYo...
Following all procedures available to root leads to the following error -
E:signature verification failed
Installation aborted.
Looking for a way around this... Other than having to flash back to Eclair... I kind of want to give the Official Froyo a run.
Any ideas?
RaptorOne3 said:
I too am unable to root the O/S after updating to Official FroYo...
Following all procedures available to root leads to the following error -
E:signature verification failed
Installation aborted.
Looking for a way around this... Other than having to flash back to Eclair... I kind of want to give the Official Froyo a run.
Any ideas?
Click to expand...
Click to collapse
i guess you failed to follow the link to the proper one click?
http://forum.xda-developers.com/showthread.php?t=803682
your queations have been answered in the 2.2 threaf. Have a look there. You need to patch the recovery.
Sent from my SGH-I897 using XDA Premium App

[Q] Issues upgrading kernal - DTJP5

G'day Guys,
This is actually my first time posting. I'll also point out that while I am quite technical minded & have been working in IT for a few years.. I haven't yet upgraded to a custom ROM - and as such I'm having issues
Basically, i've got a Froyo GT-I9000 with a build of DTJP5 and recovery console 3e
I've found Darky's mod to be pretty good and i'm wanting to upgrade to it, upon suggestion by the thread for v9.4? i installed Clockwork Mod & ran through the install for that, however now I'm at the part when I'm trying to apply the update.zip and i get the dreaded 3e "Verification Failed" error.
Could anyone help me out and possibly throw me in the right direction?. I'm lost..
To my knowledge, you will keep on getting the "Verification Failed" error. You need to root your phone (because its froyo, on eclair you could simply go and start using the update.zip for clockwork recovery).
Read this thread. Read the instructions, download the required file and get SU (or root) on your phone and then use the custom ROM you had in mind. I though suspect, you will need to flash your original firmware again. Or you could simply use any stock ROM you can lay your hands on.
http://forum.xda-developers.com/showthread.php?t=788108
Good luck mate.
Phone is already rooted using z4Root permanent.
Yea i've had a look at that article a few times, couldn't find a kernal version close enough to mine. Also when going through the ODIN method using the correct kernal from Z4, i just kept getting the error "Check files!"

[Q] Can't update to official 2.3.4

Hi, this problem really affected be for one months, I don't know can I asking such question in here but I can't find anybody to help me.
When I accepted the OTA update it rebooted the phone and installation started but soon i was getting a triangle with exclamation sign in it sign on my screen. I tried serval time and the results are the same.
Then, I decided to update my N1 to 2.3.4 maunally. I've follow the procedure but some messages have been shown.
Opening update package...
Verifying update package...
Installing update...
Verifying current system
assert failed: apply_patch_check(“/system/fonts/DroidSansFallback.ttf”, …..)
E:Error in /tmp/sideload/package.zip
(Status 7)
Installation aborted.
P.s. My Build Number: GRI40 and the N1 are 100% stock rom
what should I do now?
Thanks all!
Follow the unroot/restore guide in the wiki...
Dear danger-rat
Thanks for your reply, but i never rooted my N1 before
Doesn't matter. The guide just does a clean install of the stock ROM, which is going to get you back to a working phone...
danger-rat said:
Doesn't matter. The guide just does a clean install of the stock ROM, which is going to get you back to a working phone...
Click to expand...
Click to collapse
Is it doesn't matter restore stock Froyo ROM if my N1 version is 2.3.3 because i just find out FRG83 ROM from wiki
Is there any methods to reinstall my 2.3.3 ROM?
Ya just do what he said with the 2.2.1 and update back the 2.3.3.
Basically, once you get the stock Froyo on your phone, the updates will follow shortly afterwards...

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