[HELP]Restore original firmware. - Galaxy S II Q&A, Help & Troubleshooting

Hi,
I've tryed to unroot my phone trought odin and kies but both failed.
Now i have an ideea to make a backup on a i9100 stock and somehow to restore it at my phone.
It will work? Now i have CM
(sory for mistakes in this txt)
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paradise660 said:
Hi,
I've tryed to unroot my phone trought odin and kies but both failed.
Now i have an ideea to make a backup on a i9100 stock and somehow to restore it at my phone.
It will work? Now i have CM
(sory for mistakes in this txt)
Sent from my GT-I9100 using xda app-developers app
Click to expand...
Click to collapse
Did you download the stock firmware from sammobile.com. Just go to sammobile.com and download the official firmware according to your country and flash it from odin.
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I've tryed this before not working
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Hopper8's 'Odin troubleshooting' thread stickied in the General section, find it, try the stuff in the thread as many times as you have to in order to get a successful flash of stock to get a 'clean slate'.

paradise660 said:
I've tryed this before not working
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May b you have not follow the procedure correctly or you have corrupt downloaded file. As i did this last week and it's working perfectly .
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I ve tryed 2 cables 4 version of odin and chaged usb ports but nothing works like nothing happens no file is copyed. In odin looks fine tje image is green or blue (depend of version) so that's why i abandoned. I want to make a backup of a stock i9100 and restore it to me, it will work?
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Related

Root SGS2 with an app

Like the title says. Is it possible?
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wesjeex3 said:
Like the title says. Is it possible?
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Click to expand...
Click to collapse
No, but readme
Read the link that veyka mentioned, quite comprehensive.
CF-Root is what I've used, its not difficult but ofcourse make sure u backup and follow the steps correctly.
There is another method using a program called One Click Root, google it. i tried it worked and rooted and automatically installed superuser, but it was weird when i rebooted my phone it was not rooted!, so i used CF-Root method.
I'm only guessing here sorry.
Update.zip from the stock recovery. Never made one to try if it can be done.
Are you not able to use Odin via your computer for the 1st root flash?
If you can then you can use mobile Odin for flashing without the computer after that. Eg. Download Odin compatible firmware/kernel/modem etc directly to your phone then flash using mobile Odin. No pc involved.
Good luck.
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aceofclubs said:
I'm only guessing here sorry.
Update.zip from the stock recovery. Never made one to try if it can be done.
Are you not able to use Odin via your computer for the 1st root flash?
If you can then you can use mobile Odin for flashing without the computer after that. Eg. Download Odin compatible firmware/kernel/modem etc directly to your phone then flash using mobile Odin. No pc involved.
Good luck.
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Click to expand...
Click to collapse
At the moment I can't use a PC, maybe in a week or 2 (if I'm lucky 1). That's why I searched for an app. Nothing worked right now.
I appreciate all of your help!
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Maybe ask chainfire if he can make an update.zip of 1 of his kernels for you???
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aceofclubs said:
Maybe ask chainfire if he can make an update.zip of 1 of his kernels for you???
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Click to collapse
Can I use an update.zip on a stock ROM?
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Its been a while since ive seen the stock recovery but I believe you can only use an update.zip with stock.
It's got to be created the right way though. Can't just rename a zip to update.zip.
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Reset phone

I want to reset my phone to fabric settings. Its currently rooted and have been flashed 1 time. The reason why is because it won't let me update through software update to ics
What do i do???
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Dasmikko said:
I want to reset my phone to fabric settings. Its currently rooted and have been flashed 1 time. The reason why is because it won't let me update through software update to ics
What do i do???
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Click to expand...
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Maybe you can check with check fus your original firmware. Download that firmware and flash it.
flashing stock GB rom might solve the issue. try samfirmware[dot]com for your GB rom
Edit: Just noticed your signature with LG!!
I just got my phone, trying to fix my brothers phone
Btw, cant i just flash ics directly ?
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Dasmikko said:
I just got my phone, trying to fix my brothers phone
Btw, cant i just flash ics directly ?
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Click to collapse
You can flash it directly via Odin. Just download the official ics from intratech thread and flash it via odin
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Dasmikko said:
I just got my phone, trying to fix my brothers phone
Btw, cant i just flash ics directly ?
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Yes you can
bala_gamer said:
You can flash it directly via Odin. Just download the official ics from intratech thread and flash it via odin
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Got a link?
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Dasmikko said:
Got a link?
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Click to expand...
Click to collapse
Here you got stock official roms.

Restarting

hi all
i am from india. my sii is getting restarted automatically four or five times a day. this has started only after i got updated through samsung kies.
anyone can help me out on this?????
thanks in advance.
What firmware did you update it to?
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Try to Flash a Stock Rom via Odin
saywhatt said:
what firmware did you update it to?
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pda:kl1/phone:kl1/csc:kl1(inu)
Just flash a stock fw with its rom.. You can search it here and use the search bar there are instructions how to use it using odin
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Help regarding improper root !

Help needed ... !
My brother messed things up with galaxy s3
- put the phone into download mode
- flashed CF-Root-SGS3-v6.0 via odin
- restarted into recovery
and accidently cleard cache partion and did a factory reset
- restarted the cell and was stuck on samsung logo
how to resolve this issue ? help plz
* all he wanted wz to flash a custom room .
Why the double flash. I'm confused
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When you do this.. read the ops instructions very carefully. Letter by letter. And u can't fail
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Now .. wts the way out to this ? help appreciated !
Flash stock from again via Odin
And root again if you want to
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slking1989 said:
Flash stock from again via Odin
And root again if you want to
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Click to expand...
Click to collapse
Yes get the latest firmware for your region from Samfirmware site flash via odin.
After that you can root again. Please follow the instructions given by developer.
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Unable to flash stock rom from a custom rom

I installed neat rom and i didnt create a backup. Thanks to my foolishness
Now when i connected to odin to flash stock firmware. Its failing each and every time. Help!
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Does Odin first of all recognize your phone? (is there a yellow highlited box somewhere?)
Do you have the correct drivers instaled on the PC?
Is the usb cable damaged?
rockz1991 said:
I installed neat rom and i didnt create a backup. Thanks to my foolishness
Now when i connected to odin to flash stock firmware. Its failing each and every time. Help!
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Click to expand...
Click to collapse
Don't update via Kies...Kies=b*lls*it.Update normally via odin.
Yeah....odin recognizes. I usually flash my phone to stock when it is flashed with siyah's kernal. When it comes to custom roms, i would restore to siyah's kernel via backup.
Usb drivers are installed fine. Kies not working in background.
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GamingDj said:
Don't update via Kies...Kies=b*lls*it.Update normally via odin.
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Im not using kies. I am flashing using odin.
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Any suggestion? Anyone?
I came through a post in which they told abt something called csc and modem while flashing through odin.
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TheMasterOfToast said:
Does Odin first of all recognize your phone? (is there a yellow highlited box somewhere?)
Do you have the correct drivers instaled on the PC?
Is the usb cable damaged?
Click to expand...
Click to collapse
You need check first whether you have downloaded correct firmware according to your CSC. or use Multi CSC Package,with that you can change your CSC (Consumer Software Customization).
Have a look here : http://forum.xda-developers.com/showthread.php?p=43142932. Its a guide to troubleshoot an Odin flash if it fails.
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Flash via Mobile Odin.
Sent from...this is not even my S2

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