Reflashing stock rom - Galaxy S II Q&A, Help & Troubleshooting

I have an s2.I want to avoid making a nandroid backup. So, if the flashing of a custom rom fails or after, flashing, the phone gets stuck at the boot logo, can i just flash the stock rom directly via odin? Will it harm the phone? Can the phone even go to download mode if its stuck at the boot logo ?
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Abhij said:
I have an s2.I want to avoid making a nandroid backup. So, if the flashing of a custom rom fails or after, flashing, the phone gets stuck at the boot logo,
1. can i just flash the stock rom directly via odin?
2. Will it harm the phone?
3. Can the phone even go to download mode if its stuck at the boot logo ?
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hello,
you could have asked this question in your previous thread instead of creating a new one.
To answer your questions:
1. Yes
# If you follow the flashing instructions in the OP, your phone should not stuck at the boot logo.
First try to perform a factory data reset and reboot again before flashing via Odin
2. No
3. The phone should be able to enter download mode.
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Sorry
I know, i wouldnt need to reflash if i follow the steps correctly.
But still incase i mess up, i wanted to know if i can go back to stock.
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Abhij said:
Sorry
I know, i wouldnt need to reflash if i follow the steps correctly.
But still incase i mess up, i wanted to know if i can go back to stock.
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Stick to your previous thread
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Related

[Q] Now that I have verizon 2.2 tell me how to fix CWM recovery

yesterday iwasaperson was extremely helpful to me. Thanks. I took my fascinate back to stock 2.1 and allowed it to update to 2.2. I then rooted my phone by flashing CWM recovery using ODIN. (red version) I had installed two files to root of drive one update.zip and the other for rooting the phone Su-----.zip. I ran them using the red version and restarted the phone. The phone is now rooted but I can't get back to CWM recovery.
I tried the following: I have ROM manager and flashed CWM but it wom't take. If I try to go into recovery I get the stock Samsung blue menu. I am thinking I need a different (CWM recovery comptabile) kernel or mod to get this to work.
Can someone help?
You need to flash a kernel other than stock, rebooting with the stock kernel will revert back to blue recovery
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why dont you just flash CWM in odin again?
I have flashed CWM again with odin. It still won't take
saf66 said:
You need to flash a kernel other than stock, rebooting with the stock kernel will revert back to blue recovery
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djlim4 said:
why dont you just flash CWM in odin again?
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This (though in reverse order).
You need to reflash CWM by odin, go into Odin immediately upon the first boot (not using Rom Manager!), and flash a new kernel from the SDcard. The stock kernel will trash CWM if it gets a chance to boot.
saf66. any ones in mind and where I can obtain them. And as if I weren't asking enough questions. (Sorry I know I am) Methods to flash them?
Or any others of you please
Go into development at the top of page open stickies and nitsu has a list of kernels,a well as roms
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Thedoman
Download the kernel you want , then odin cwr,boot into recovery, flash kernel and then reboot phone
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Galaxy s3 GT bricked?

First off I know I shouldn't have done this before I was sure what I was doing, but I have done it.
I have used chainfires mobile odin pro to flash siyah's latest kernel to my rooted s3. i put the .tar on external sd. Opened mobile odin, opened file, and pressed flash. It said it's dangerous, I pressed continue and the phone immediatly rebooted, and is now stuck on boot loop.
I had never updated the phone from when it first came out, I just rooted and kept stock rom.
Any help much appreciated,
Thanks in advance.
Try to boot into download mode if this works you can flash a stock or custom Rom and kernel through Odin ans it should fix your problem.
Or try to boot into recovery and flash a custom Rom, either way should fix the bootloop.
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As a precaution I'm going to ask if you have the American or international model.
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delsus said:
Try to boot into download mode if this works you can flash a stock or custom Rom and kernel through Odin ans it should fix your problem.
Or try to boot into recovery and flash a custom Rom, either way should fix the bootloop.
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Currently in download mode, going to try to install the latest kernel. Do you think that should work, or should I install custom rom?
phatmodder said:
Currently in download mode, going to try to install the latest kernel. Do you think that should work, or should I install custom rom?
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I would say you just need to flash the kernel if that's all you changed, the Rom should be fine.
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Did you choose kernel>open file>flash?

[Q] Stuck Samsung logo

Hi need help
I was on CM10 and wanted to go back to stock firmware. I found the right stock firmware for my phone and flashed via odin, but now stuck at samsung logo
Help pls
Stuck at logo for 15-20min
Known issue.
Boot into recovery and factory reset.
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Thanks for help for i dont got CWM to be clear u mean stock recovery right?
I can enter download mode, enter stock recovery and PC recognizes phone from download mode
No. Not stock recovery. When you rooted, you should had flashed the cwm recovery.
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Anyway i did wipe from stock recovery and all good thx
Glad it works. Enjoy
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[Q] Need Image for 7510

I had used ROM Manager to update CyanogenMod and now it gets stuck in the boot mode. I got it to go into recovery but there is no backups and I had backed up just prior to upgrading. I hooked the USB cable to it and can't see any files at all on the SD card. Any help out there is appreciated in gettig this up and operational again.
If you can go into recovery then wipe everything, boot into download mode, connect to pc and flash stock rom via Odin. Then you can start all over again.
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eushaun99 said:
If you can go into recovery then wipe everything, boot into download mode, connect to pc and flash stock rom via Odin. Then you can start all over again.
Sent from my GT-P7500 using XDA Premium HD app
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Thanks, I'll try that.
Can you point me towards the stock ROM?
californiasteve said:
Can you point me towards the stock ROM?
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You can find firmwares for your Samsung Device at SamMobile.
Just make sure you're logged in.

Restore in Download mode

is it possible to restore a nandroid backup to the phone in download mode? i took the custom recovery out a while ago and it just bricked. if not is there a way to get twrp back on it if it wont boot past the ATT logo? thanks
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chrisphoenix7 said:
is it possible to restore a nandroid backup to the phone in download mode? i took the custom recovery out a while ago and it just bricked. if not is there a way to get twrp back on it if it wont boot past the ATT logo? thanks
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Teenybin will install TWRP.

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