[Q] no boot after custom rom install - Galaxy S II Q&A, Help & Troubleshooting

im having a problem here. rooted my s2 with odin, no problems there. i can boot up into my backed up stock rom. i have no problems installing any rom, its just that my phone will boot and load up to the roms boot animation but thats as far as it gets. left the phone for 30 minutes and still doesnt go. Using clock work recovery. not too sure what to do? any thoughts would be appreciated

Do a factory reset from the recovery.
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After flashing a rom? I always do before but don't think I ever have after. Will try as soon as I'm home, thanks
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Yeah, it's a factory reset, you can perform it at any time.
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Related

[Q] bootloop help

I was on tasks aokp and encountered some issues and had to Odin because the phone kept bootloading ,after reading the sticky on how to return to stock, I ran the I777UCKH7-CL503881 NO BL, And I'm still getting booloop on the rethink possible screen. Any help would be appreciated.
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lakid06 said:
I was on tasks aokp and encountered some issues and had to Odin because the phone kept bootloading ,after reading the sticky on how to return to stock, I ran the I777UCKH7-CL503881 NO BL, And I'm still getting booloop on the rethink possible screen. Any help would be appreciated.
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Did you factory reset your phone after flashing? That seems like what your issue is...
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Waddle said:
Did you factory reset your phone after flashing? That seems like what your issue is...
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Well doesn't boot so I dnt think I can factory reset, and I tried the three button to get into recovery
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Nvm u were right, I needed to do a factory reset, but now how do I get cwm to be able to flash aokp again?
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i was able to gain root again and cwm but when i try to flash aokp 4/4 it gets hung up on the samsung galaxy s screen but when i flash 4/3 it works fine. Possibly corrupt download? oh and i wipe everything this time.

[Q] help problem with boot..

Hi need your help.. I got the 19100T and I flash a rom that isn't good for it. It got stock in the boot screen.. Then i flash a stock rom with odin but still the phone doesn't go past the boot logo.. What can I do from here? Thx!
Before that the rom work ok but over time i started to get Rendon reboots and fc...
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are you sure you're flashing the right ROM for your device?
check under the battery, it should say what model you own.
remove battery, wait 1 minute, re-insert the battery.
it's recommended at such a case.
http://androidandme.com/thread/att-g...kmod-recovery/
it helped me before.
good luck :good:
gal peleg said:
Hi need your help.. I got the 19100T and I flash a rom that isn't good for it. It got stock in the boot screen.. Then i flash a stock rom with odin but still the phone doesn't go past the boot logo.. What can I do from here? Thx!
Before that the rom work ok but over time i started to get Rendon reboots and fc...
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Click to collapse
Reboot into recovery and perform a factory reset/data wipe.
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thats did the trick thx!

International (UK) S3 stuck in reboot loop

So I was using an app on the phone and it rebooted.
It now just loops around the initial splash screen, only pulling the battery stops it.
I can get to the recovery menu and did a factory reset but it made no difference.
Not rooted / stock ROM.
I checked the power button and that operates normally.
Is there anything else I can try ?
Thanks
flash a stock rom
If you are not rooted you will have to use Odin and a stock rom for your device.
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thanks, I'll go and read up on odin.
I'd love to know what killed the OS, seems bizarre. I was only doing a crossword
I flashed the correct ROM via odin and its still doing the same thing, splash screen appears about every 5 seconds.
Any more ideas or is it going on a trip to the repair centre ?
non root apps cant really kill the os.
what fw we're you on? that app could have used the exynos exploit if your kernel is one of the older ones.
The FW is Vodafone UK, last had an update at the end of last month.
When it died there was nothing downloading etc, was just running an app I've had on there since I got the phone.
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have you done a factory reset from recovery after reflashing the stock ROM?
if yes, send it to Samsung
You my good sir have a brick bug only the great Sammy can help
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Have you tried a custom recovery ie TWRP or Clockwork Mod, and then a custom ROM? Seeing that you did even have it rooted it probably isn't an option but it is an idea.
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[Q] [q] the forever brick

question..
why is it?...
that every time i use the return my phone to factory settings whether thru the "privacy" or thru CWM...
I GET BRICKED AT THE SAMSUNG VIBRANT SCREEN AND I HAVE TO KEEP USING ODIN TO BRING MY PHONE
BACK TO LIFE??
thank you all for ur time in this matter
Do you mean on a ROM like CM10? Or AOKP?
Sometimes this happens when you wipe because you wipe the necessary files that a ROM need. Sometimes a ROM(like stock) doesn't get affected by this. But most custom ones will
This is a universal problems with any phone.
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Nah.. it was happening on stock. Apparently I can flash custom roms if I DON'T factory wipe first. I only need to wipe cache/dalvik and BAM! now I'm running cm7 wondering if I should try and flash an ics rom now or just stay on cm7 and count my blessings lolol...
Thanks for ur time
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I bricked my friend's S2, please help!

Ok, so I've rooted 2 phones so far with no problem. But when I did it to my friend, the phone won't lauch the rom any more (tried with slimbean).
I used this method before I installed slimbean: http://scientimystic.wordpress.com/...i9100-having-android-4-1-2-official-firmware/
After installing it, it wouldn't load. So I reinstalled my backup that I did after I rooted, and nothing, the phone is just stuck on the galaxy s2 screen and a yellow exclamation triangle below.
I can boot into cwm or download mode, but I can't transfer files on my phone I think.
Please help, if it was my phone I wouldn't be so desperate but I really don't want to screw up my friends phone.
If you can boot into cwm and download mode it aint bricked.
All it is....is a borked OS......I'm guessing that if you were on JB before, that when you backed up, you didn't include the preload partition. If your chosen custom rom zip is still on your phone, boot into cwm and flash it again. Thiss time though, before you reboot the phone post flash, wipe cache, dalvic and data.....then reboot.
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keithross39 said:
If you can boot into cwm and download mode it aint bricked.
All it is....is a borked OS......I'm guessing that if you were on JB before, that when you backed up, you didn't include the preload partition. If your chosen custom rom zip is still on your phone, boot into cwm and flash it again. Thiss time though, before you reboot the phone post flash, wipe cache, dalvic and data.....then reboot.
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Click to collapse
Hey, ok then well I thought bricked meant you can't load the rom.
My backup actually worked now so all is ok, but I can't install any custom rom - every one of them just loops indefinitely at the loading once I flash it, and after that it won't do anything until i revert my backup.
Are you sure you're rooted?
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keithross39 said:
Are you sure you're rooted?
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Click to collapse
Yes, I used the guide in the link and checked some apps that required root.
Your custom rom installs......are you doing the post install wipes?
Are you waiting long enough for the phone to complete the first boot?
It always takes longer than usual for that initial boot......
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keithross39 said:
Your custom rom installs......are you doing the post install wipes?
Are you waiting long enough for the phone to complete the first boot?
It always takes longer than usual for that initial boot......
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Click to collapse
Yes, I wiped the cache afterwards and I waited enough.. 15 minutes sure is enough of a wait, is it not?
Yeah....15 minutes is plenty long enough......but when I said wipes....I didn't mean just cache....I meant dalvic and data too.....
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Clearly, you haven't wiped data.

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