[Q] How to create an update.zip - Android Q&A, Help & Troubleshooting

hello everyone ;
i create an update.zip but when i load it then give an exception(device samsung t-320)
E:footer is wrong
E:signature verification failed.
how ca fix it?

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Rooted Droid Eris E: can't find update script

I keep getting this message after I sign the .zip ROM and try to install it. When trying to install it it says:
Verifying update package...
Installing update...
E:Can't find update script
Installation aborted.
And in the background when its verifying, it gets about 3/4 the way through and runs to the problem.
I've tried placing the update_script in many different areas and I've tried to delete the META-INF files to avert confusion for signatures, but I just cannot figure it out.

[Q] Error when attempting to install CM9 0.6.9.3 by Jokersax

I'm trying to upgrade my Atrix 4G from CM9 0.6.9.1 to 0.6.9.3, however when I choose the zip file, I get the following:
"-- Installing: /emmc/cm-9-20120612-UNOFFICIAL-olympus.zip
Finding update package...
Opening update package...
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(bad)
Installation aborted"
Help anyone?
Download it again ... seems to be corrupted or something...
Use the torrent or download to two devices and generate MD5 hashes on both to verify the download was successful.

[Q] Loading a custom signed ROM from SD card

I got the following error when I tried to load an OTA package from the SD card using CWM recovery with signature verification enabled.
Finding update package ...
Opening update package ...
Verifiyng update package ...
E: failed to verify whole-file signature
E: signature verification failed
Installation aborted
Following are the details of the steps I followed -
1) I rooted my Galaxy Tab 2 7.0 (P3113) following the instructions posted on
http://www.androidauthority.com/galaxy-tab-2-7-0-p3113-root-clockworkmod-recovery-96474/.
2) Then I built an AOKP jellybean custom ROM following the instructions on
http://rootzwiki.com/topic/31166-tutorial-so-you-want-to-build-aokp-jb-ubuntu-1204/
3) Then I followed http://www.kandroid.org/online-pdk/guide/release_keys.html to create a distribution release and my own private signing certificates, and signed the APKs in the target files. Then I used ota_from_target_files to create an OTA zip signed with my own key.
4) I copied the signed OTA package to mSD card and boot the tablet to Recovery, then I wiped everything (factory/data reset, cache, ectc) including formating /system partition, then I enabled the Signature Verificaiton, and then selected the zip to install, and got the "Failed to verify the whole-file signature" error message.
By the way, if I disable the signature verification, I can load the zip successfully.
Can someone tell me what I did wrong or if I missed any necessary steps? Much appreciated.

singnature verification failed

how to fix signature verification failed in my gts 5282 galaxy star
Using clockworkmod recovery??Stock recovery only allows .zip's signed by Samsung.
1) Disable Signature Verification in cwm
2) Open Rom package in 7zip go to /com/Google/Android/updater-script open the file with notepad++ delete the first line titled 'asserts' this should solve status 7 errors also
just flash a custom recovery.

Samsung Galaxy S5 rooting problem

Hello everyone!
So i've tried to install custom ROM into my g900f but an error ocurred.
Error message is: e: footer is wrong e: signature verification failed
Before everything i've installed CF-Auto-Root-klte-kltexx-smg900f and before that i did copy PhoeniX.ROM.V15.XXS1CPK1.Marshmallow.G900F.by.tamirda to my micro SD card(2GB in size).
What to do, where i did eventual mistake?
Thank you in advance!

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