Unable to verify signature - Galaxy S II Q&A, Help & Troubleshooting

I have downloaded a zip file from samfirmware and placed it on my SD, tried installing it using recovery but every time I get a message saying it's unable to verify the signature. Had the same problem using ROM Manager to d/l CM9 nightly.
Any suggestions?
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which zip for what?

Well the CM9 nightly I downloaded via ROM Manager for one
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psx612 said:
I have downloaded a zip file from samfirmware and placed it on my SD, tried installing it using recovery but every time I get a message saying it's unable to verify the signature. Had the same problem using ROM Manager to d/l CM9 nightly.
Any suggestions?
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I am relatively certain that zips from samfirmware.com are Odin flash packages... I don't think they're CWM recovery flashable zips. So you're doing it wrong.

Makes sense, cheers matey
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Related

[Q] Rebooting into recovery problem

I posted this in the Noob thread but got no help there for 13 hours now and Im kinda in a hurry so here's what it is; Okay, so whenever I reboot to recovery and press re-install packages it tells me it failed to do so for some reason after two seconds and the font stays purple. Any suggestions guys? Should I proceed to install the ROM using Rom manager? Is this normal? Please answer I have to finish this today, I've no other time.
Bad update.zip
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Are you already rooted and trying to flash a rom? Not enough detail here to work with
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Yes I am. And if its the update.zip file that is corrupt then kindly link me to a valid one.
Use rom manager and get a new one
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How so? I have had it installed since ever but I can't find an option to create an update file.
Abu-7abash said:
Yes I am. And if its the update.zip file that is corrupt then kindly link me to a valid one.
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Click to collapse
The file and info is located here
http://forum.xda-developers.com/showthread.php?t=849028
There is an option...flash clockworkmode recovery i thinkk
Is the first optionn there
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Blurry CWM after udate

I updated to the latest version of CWM on my Photon and all of a sudden my Recovery is blurry running version 5.0.2.7. Has anyone else had these problems? Or found a solution?
I posted same in app and theme section
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I see three options for Photon which did you pick do we don't pick same one or can try other two to see which works also are you unlocked stock cm7 sorry for the 20 questions just want to be sure
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bump.
Do I need to go all the way back to stock and re-root/unlock?
I just flashed cwm zip via ROM manager and it fixed issue
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Same here blurry recovery after using ROM manager emailed Dev hopefully gets sorted out thats probably what description meant by generic support meaning in other words not fully working yet lol
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I used cmd and flashed .img file from scratch; everything works again. I'm sure a update is probably on the way until then I'll wait. I think jokerax11 is updating cm9 today hopefully to beta keeping.
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MedicStuder said:
I just flashed cwm zip via ROM manager and it fixed issue
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How do you flash it through rom manager? I'm trying to help my brother out in another state so I can't do it for him. I did mine through fastboot so I haven't messed with rom manager yet.
just have him search xda for cwm 5.0.2.7 its a zip file so he can flash from the app.
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Actually ...ummmm. That didn't work once I tried it.
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i went all the way back to stock to be safe. but now all is well i just wont update it
Yeah...just had to reflash the CWM using the fastboot cmd method...I'd really like to try the CWM Touch Recovery once availble..that'd be SIIICK..

Cant flash modem

Hi i ve installed omega rom. I want to change modem. I got one cmw modem but im not able to flash it. It says instalaition aborted. Wat should i do
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Which modem did you download and have you tried redownloading and flashing? Possible the that file was corrupted.
I downloaded it from xda only dxkl1. Its nt corrupted im able to extract the zip file and im able to find modem.bin.
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try to install another modem anfd see if same problem exists,,,
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Go to the modem post and flash as instructed but make sure you follow the instructions my guess is you are not .
http://forum.xda-developers.com/showthread.php?t=1277593&highlight=modem
jje
I tried it. I followed the instruction but no use.
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Cwm manager apk?

I am not able to get the cwmmanager apk by flashing cfroot w/ mobile odin pro.
Could anyone upload the latest cwm manager apk?
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You can search it at the playstore ;
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Sensation with an exellent JellyBean Rom using XDA-Premium
Flash it with Odin pc Here is the link http://db.tt/JGHlZbO3
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Theshawty said:
I am not able to get the cwmmanager apk by flashing cfroot w/ mobile odin pro.
Could anyone upload the latest cwm manager apk?
Sent from my GT-I9300 using Tapatalk 2
Click to expand...
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Same issue here, it installs but can't use full app lime backup etc..
I'm now using clockwork recovery touch 6. Something.
Get the .tar flash it with Odin or mobile Odin, it's pretty much the same
Just enter recovery by power home and volume up when device is off
I got it from your drop, it installed but get the same error that I get from the cf root 6.4 package .
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It won't be fully compatible until Chainfire updates it for JB.
Yeah thought as much, I prefer CWM in os, also I hear it's not compatible with clockwork recovery touch too
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Flashinh cwm touch manuallu

I wanted to flash CWM manualy, so I downloaded it from the CWM website and the file is in .img not .zip, so how do I flash this.
Nevermind I found CWM Touch in another thread and its a .zip. Not sure why its not a zip from the CWM website though
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.img files will install via adb.
kevinbauman said:
Nevermind I found CWM Touch in another thread and its a .zip. Not sure why its not a zip from the CWM website though
Sent from my SCH-I605 using xda app-developers app
Click to expand...
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Just download Rom Manager from the Playstore and install it from the app
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kevinbauman said:
I wanted to flash CWM manualy, so I downloaded it from the CWM website and the file is in .img not .zip, so how do I flash this.
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Oh, sorry bro, you wanted to do this manually. I've been doing this manually since the g1 but now that it is this easy with Rom Manager and Goo Manager, I just do them the easy way. I'm too old to do it the manual way now.
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