I'm stuck in a boot loop - Galaxy S II Q&A, Help & Troubleshooting

No matter what I do I'm stuck in a boot loop. I tried flashing the lightning rom, the angelo rom, and even the stock ROM. I got the Stock ROM (KE7 came on phone) here: http://forum.xda-developers.com/showthread.php?t=1075278 and opened odin with auto reboot checked. and f.reset checked, and I9100XWKE7_I9100XXKE4_I9100XEUKD1.tar goes into PDA and i click start and get a pass and a succeed, phone reboots, and starts, but once it gets to the animated samsung screen, it goes back to the first galaxy s 2 screen and keeps going back and forth. I went into CWM and wiped all cache, dalvik cache, and formatted system and data trying to start with a good clean wipe. I got a headache so im going to bed and look forward to waking up and someone having the answer to my problem posted right here. Please help

Hey man I got the same problem as you, I've tried everything you've said.
Problem started after I tried to do a factory reset this morning on litening 1.1.

had the same problem with the lightning rom ended having to do a factory wipe and loaded the villian rom now all is ok

Thanks mate, I'll give that a try and report back.

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[Q] Won't boot, worked fine, then bootloop, now it freezes (using CM9 ICS Nightly)

Hi Friends,
Model Number - GT-P7510
I recently rooted and installed the CM9 ICS nightly rom using the noob video instructions (This included rooting with Odin, installing CMW recovery 4.0.0.4, then I flashed the ROM cm-9-20120624 Nightly and finally flashed GAPPS-ics).
I over clocked using the CM9 settings and everything worked perfectly for about a week, it was great. Then it just crashed while I was reading my email and began to bootloop. After reading for similar errors I rebooted to recovery and tried wiped the cache and dalvic cache, I wiped data and factory reset several times but nothing worked, always the same bootloop. I re flashed the same ROM and still nothing, after a while the boot screen would simply freeze instead of bootloop.
Then I connected to my PC, and did this to no avail. In fact it simply added to the problem by adding a yellow warning triangle while attempting to boot so I did the Oden thing again like the first time I rooted however I installed CMW version 5.5.0.4 instead thinking it might help but it hasn't.
One last point, when I attempt to wipe data/factory reset the tablet seems to freeze and attempt to reboot rather than say something like "success" as it would during a cache wipe. This maybe normal or it maybe the problem! who knows?
On that point, I would be very grateful if some of you could help get me to the point when my PC recognises the tablet so I can reflash a new ROM.
Thanks in advance,
Karl
I once got the same problem. The only thing that helped was to flash back the stock rom via Odin with the pit file. And don't forget to do a hard reset after flashing the rom. I'll just stick to the stock rom until the official update is getting released.
Sent from my GT-P7501 using xda app-developers app
Questions go in the Q&A section
I think the best way is still to do factory reset, go back to the stock ROM first and try custom HC ROM until the official ICS is released.

Desperately need help with my S3 PLEASE

I am unable to get my phone to boot up. I was running resurrection remix fine with no problems, but decided to change ROMS. I did a full wipe and flashed Criskelo ROM through CWM, all looked well, but my phone wouldn't boot. I get the samsung sound and then my phone gets stuck on the Samsung screen. I restored my backup of resurrection remix, but again, my phone wouldn't fully boot. I then decided to flash the original firmware through Odin, which went well also, and passed. But again, my phone wont boot. I know i am using the correct firmware as i have used this firmware before. My phone will charge with no problems, but i cannot get past the Samsung screen. Can anyone help???
mgf8384 said:
I am unable to get my phone to boot up. I was running resurrection remix fine with no problems, but decided to change ROMS. I did a full wipe and flashed Criskelo ROM through CWM, all looked well, but my phone wouldn't boot. I get the samsung sound and then my phone gets stuck on the Samsung screen. I restored my backup of resurrection remix, but again, my phone wouldn't fully boot. I then decided to flash the original firmware through Odin, which went well also, and passed. But again, my phone wont boot. I know i am using the correct firmware as i have used this firmware before. My phone will charge with no problems, but i cannot get past the Samsung screen. Can anyone help???
Click to expand...
Click to collapse
Go into recovery and do data/factory reset and wipe cache and boot up.
gee2012 said:
Go into recovery and do data/factory reset and wipe cache and boot up.
Click to expand...
Click to collapse
You the man.....worked. Thank God...i was s****ing myself. Thanx again!!!
mgf8384 said:
You the man.....worked. Thank God...i was s****ing myself. Thanx again!!!
Click to expand...
Click to collapse
Glad it helped

[Q] Cannot do a system recovery. Can you tell me if i have a new paperweight?

I've had my Samsung Galaxy S Showcase (tracphone) for awhile now and decided to root it. For some dumb reason I flashed a custom ROM onto it.
I had no problems until I downloaded Boot Animation. I selected a custom boot animation, rebooted my phone, and it loops at the animation forever.
I tried to restore using CWM and get the message "MD5 mismatch!"
I tried a factory reset, it errors every step of the way, then says data wipe complete. I reboot and it just keeps looping at the new boot animation.
I tried wiping the cashe, and formatting everything to re-instal the ROM. I select the ROM. it starts to install, resets the phone like it did the first time, but instead of going back to CWM to finish installing, it loads to the boot animation and loops.
I'm very new at this so I don't know what info you would need to help me out if at all possible. and if its impossible at least tell me that I'm royally clucked so I don't spend the rest of my life wondering =)
you can try to flash stock with odin there will be many threads and tutorials about it on the forums
Thanks for the suggestion, but I gave it to my friend who thinks he knows everything and he somehow turned it into a Samsung Mezmerize. Now a question about that. If I try and root it do I put CWM on it as a Samsung Mesmerize? I'm just very confused about everything now, do I treat it and everything I do to it as a Mesmerize?

[Q] Flashing ROM, Stuck in Bootloop, please help!

Hi guys,
I'm really hoping someone can help me out here.. I'm rooted and was running the stock rom.. decided tonight that I would download and flash the new Jellybomb ROM for my GN3. After doing a titanium backup and downloading the rom file.. I opened my CWM, made a nandroid backup, wiped cache, dalvic and did a facory/data reset.. Just after doing that, I went to flash the rom but for some reason, I didn't see it on my extSD card.. So I restored my backup and went to go hunt through the phone to find it's location..
Well, after restoring and rebooting, It's stuck in a bootloop.. I pulled the battery and tried re-restoring.. same problem.. then I just cleared everything and factory/data wipe... still in a bootloop... going nuts!
I really hope someone can help me out, here!
Thanks in advance!
Torosax said:
Hi guys,
I'm really hoping someone can help me out here.. I'm rooted and was running the stock rom.. decided tonight that I would download and flash the new Jellybomb ROM for my GN3. After doing a titanium backup and downloading the rom file.. I opened my CWM, made a nandroid backup, wiped cache, dalvic and did a facory/data reset.. Just after doing that, I went to flash the rom but for some reason, I didn't see it on my extSD card.. So I restored my backup and went to go hunt through the phone to find it's location..
Well, after restoring and rebooting, It's stuck in a bootloop.. I pulled the battery and tried re-restoring.. same problem.. then I just cleared everything and factory/data wipe... still in a bootloop... going nuts!
I really hope someone can help me out, here!
Thanks in advance!
Click to expand...
Click to collapse
for some reason our phone doesnt like cwm recovery i bootlooped my phone the very first day i got it...twrp is highly recommended. the way to fix your phone is to odin it back to stock before your phone boots...put your phone into STOCK recovery and wipe it...wipe everything which will get rid of the custom tag...put the phone in download mode and odin it back to stock a second time. reroot your phone and then odin in twrp..flash the new rom you want in twrp the phone should make it to the yellow screen with a semiblinking blue light and then it should boot within 5min
lunchboxVA said:
for some reason our phone doesnt like cwm recovery i bootlooped my phone the very first day i got it...twrp is highly recommended. the way to fix your phone is to odin it back to stock before your phone boots...put your phone into STOCK recovery and wipe it...wipe everything which will get rid of the custom tag...put the phone in download mode and odin it back to stock a second time. reroot your phone and then odin in twrp..flash the new rom you want in twrp the phone should make it to the yellow screen with a semiblinking blue light and then it should boot within 5min
Click to expand...
Click to collapse
Thank you very much!!! I actually, before getting this post, went to Odin and unrooted, then rerooted still using CWM and got lucky cuz this time it actually let me run the new ROM. Thanks for the info though!! If I have any more problems, I'll at least know a better way to go about fixing it!
Betillo

[E4GT Galaxy s2] Pacman rom stuck on amination screen!!

Hello i am a newbie here. I recently installed Pacman rom the released version to my epic 4G touch galaxy s2 and it worked flawless. [[[How i installed it : 1) restored my phone to ICS. 2) Got Mobile Odin and got the add on to flash. 3) Flashed CWM EL29 4) Got into recovery and Wiped data/ factory reset. 5) Installed ROM and GAPPS 6) Wiped Cache and Dalvik and i rebooted.]]]Then i saw the new cyanogen 11 and i decided to get but when i got into recovery it would say an error trying to install the rom. So i wanted the Pacman rom back so i went and restored my E4GT to ice cream sandwhich FJ12. After that i installed mobile odin and got the add on thingy to flash. Next I clicked Kernel and flashed CWM EL29 v.5.0. I did the steps again. Wipe/Data Factory reset. I installed the ROM and GAPPS. I wiped cache partition and dalvik cache. So when i rebooted it.. It took me to the boot animation with pacman chasing the ghost and the bottom saying pacman with the animation glowing different colors.I waited and waited for about 10 mins and nothing happened. It still stood there! I also noticed that when it was doing this, i tapped the home button and the keys lit up. I kept tapping the keys and nothing happened to the screen. It stayed the animation. I restored back to ICS again. Did all the exact same steps. It still stayed there! I kept restoring to ICS and did what i kept on doing but i tried different steps in recovery mode. Still sits there at the screen animation. After like 8 times of failure.. I tried to go and restore GB28 Jellybean stock and then restore to ICS stock. When the downloading process finished, the virgin mobile animation kept repeating and never wanted to load the screen. So i went back to ICS and tried to get Pacman rom for the ninth time. I failed. Help me! I also noticed that when i go to wipe dalvik cache.. Before wipe it says something in the bottom " extsd-not found " something like that. But i still wipe it. So please help if you can!

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