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Help! boot loop

ok so i rooted a few weeks ago and downloaded the usual apps. super user titanium back up and clock work mod. tried to flash a rom with clock work mod and got the e:signature verification failure message. found a post for a kernal that made clock work mod actually work so i tried to flash a rom. zSimplyAOKPV5_Dark to be exact. now it sticks on boot screen. i have searched for hours and cannot find a way to fix my problem. its my first rooted android and first attempted rom flash and i botched it right off the rip. please help?

Depending on what you did beforehand, you have some options.
If you have backed everything up previously, just flash back to stock with one of the one-click stock roms in the Development section (they're in a sticky).
If you haven't backed everything up, try holding V+/V-/power until it reboots. If it doesn't take you to recovery, you can try to flash a kernel (most likely one that would match the version of android/rom you were running prior to this flash) and see if it lets you into recovery. You'll have to flash it with either Odin or Heimdall, after rebooting into download mode (power off, hold V+/V-, insert USB).
If that doesn't work, though, the stock flashing would probably be your best and/or only bet.

it wont allow me into recovery though i can get to download mode by pulling the battery and pressing just the volume +- and plugging in the usb. i was trying to flash an ics slim rom. thanks for your very speedy response.
i have now tried to flash a stock rom however it is not working from there even with the stock kernal. now it is hanging on the at&t screen.
ok i got it. seems the kernal i flashed to help cwd work properly was the culprit. now i dont know how im going to flash this ics rom im looking at without it.

phoenixfriend said:
it wont allow me into recovery though i can get to download mode by pulling the battery and pressing just the volume +- and plugging in the usb. i was trying to flash an ics slim rom. thanks for your very speedy response.
i have now tried to flash a stock rom however it is not working from there even with the stock kernal. now it is hanging on the at&t screen.
ok i got it. seems the kernal i flashed to help cwd work properly was the culprit. now i dont know how im going to flash this ics rom im looking at without it.
Click to expand...
Click to collapse
Flash corn kernel if you have stock gingerbread
Sent from my SGH-I897

The utility in my signature can help you flash the Corn Kernel so that you will have CWM.

I have corn kernal and odin 3 on the computer at home. Ill do that tonight. Any suggestions on a good stable rom for a noob? Preferably ics. I hated posting for fear of being flamed as a noob. My wife keeps making fun of me for it so I kinda have to get it done. I want to fix hers also. Its a great little phone it just seem a bit buggy to me. Very laggy. Thanks for all the help.
Sent from my SAMSUNG-SGH-I897 using XDA

Maybe start with a KK4 based rom such as Legend and then move up to ICS after that. I only say that because there is a bug in ICS that could render your internal SD unusable. It's rare, but when it happens you will not be happy.

Still unable to get corn kernal to flash. I've tried a few of your guys fixes but I'm gonna have to get some other updates to my computer first.
Sent from my SAMSUNG-SGH-I897 using XDA

Cant get any ICS rom to work.

I recently got a Captivate and wanted to put Cyanogenmod on it as it's what I used on my HTC Aria before this.
So the first few times I did it I managed to delete my IMEI but I got HellyBean to run just fine, but couldn't use it due to the IMEI messup.
So I managed to get back to stock and set about trying it again, but it seems like what ever I do I can't get anything to work properly.
So I'm starting from a Stock 2.1, the first thing I did was use the SuperOneClickRoot which worked fine.
The next part is what I think I just can't get right, installing ClockworkMod.
First I tried using this http://wiki.cyanogenmod.com/wiki/Samsung_Captivate:_Full_Update_Guide but it didn't work, I now realize that is for 2.3, not 2.1.
So I googled around, found a CWM for 2.1, renamed it to update.zip and flashed it. That worked fine and I can use CWM from then.
After that I set about finally getting CyanogenMod on it.
I tried this guide first http://www.androidauthority.com/captivate-sgh-i897-cyanogenmod-10-jelly-bean-android-4-1-103899/ but it would just leave me stuck at the ATT screen.
I also tried HellyBean, but that has deleted my IMEI every time I've tried flashing that.
So what am I doing wrong here? What is considered the best guide to use?
This has just become so frustrating, it's so much more difficult than when I first got my Aria and flashed that to CM7, I just cant figure out what I'm doing wrong.

Then use this guide:
http://forum.xda-developers.com/showthread.php?t=1350266
Make sure you download the ROM and put it on the SD card first and THEN flash the kernel because once you flash the kernel the OS won't load anymore.
Also you installed Helly Bean so you must have GB bootloaders? In any case, flash GB to ensure you have the right bootloaders. Follow the guide. Install ROM. There is a reason the guides start from 2.3, BECAUSE YOU NEED 2.3.

Right, it just makes more sense to start on GB. You need those bootloaders, plus all guides assume you have it now. And you can skip rooting.
Sent from a jelly bean

[Q] Samsung Captivate (i897) very weird problem when going to any JB ROM. please help

Hey there XDA,
I have a weird problem when using a Samsung Captivate (ATT i897)
I was running CM9 and i wanted to flash Paranoid Android JB rom, so i followed the instructions to the letter(factory reset, and format cache, etc) and a weird problem occurred, everything works perfectly except:
1) i have no lock screen (even though it is check on (slide))
2) no notifications arrive, (i hear the ringtone and all, but it doesnt tell me anything)
3) i hold the home button and no recent menu comes)
i flashed back to cm9 and the problem came with me.
So i OdIn back to stock and followed this link (http://forum.xda-developers.com/show....php?t=1350266 ) to get root and CWR and went to CM9, it works.
Fast forward one month and i decided to flash Lanight V6.5DD Jelly bean Rom.
The Same exact problem happened, i went back to CM9 and it followed me.
So i want to format everything on my phone using CWR (including /BOOT) and then going in to download mode and using the same method as above as a fresh start ( i have GB boot-loader from Kf1, and two ATT flashes come up whenever i boot my phone up)
maybe if i flash the ginger bread boot-loader again and cleanly (clean format of /boot) then install it will fix it.
.
(QUICK Q: if i format the /boot in CWR can i go into download mode????????)
Hopefully that will fix the problem
i would like to see what is your opinion and expert help.
Sincerely,
Thatguy2007

[Help] No Service

After flashing a couple of ROMs today/attempting to, I am no longer recieving any service from my carrier.
Here is what I did:
I started off on Slim Bean 4.1.2 with working recipetion.
1. Attempt to flash Vahalla Black FB Edition. (Failed) It just wouldn't flash and TWRP said I had no OS installed.
2. Attempt to flash TFQ Vahalla Final Mod (Failed) Same problem.
3. Attempt to flash the Antrox Kernel linked in the TFQ Vahalla Final Mod.
4. Used Hemidall Back To Stock
5.Flashed Team Acid AOKP Milestone. (Worked) However, there is no recipetion now.
Any help would be appreciated thanks!

go to setting, about phone, or something and see waht it says for baseband. that will tell if a modem flashed properly or not.

Flash back to stock and stay there till you understand that your not following directions.
You have lost your imei.
And its very simple fix,and if you would follow instructions ....you wouldn't mess it up.
What I always do is after you format system ....remount system....
It should look like this.....unmount/system.
So long as it says that you will be fine.
Oh and btw...you can not flash back from ics or jb to gb without first flashing back to stock with a one click.

Shortbus-Driver said:
Flash back to stock and stay there till you understand that your not following directions.
You have lost your imei.
And its very simple fix,and if you would follow instructions ....you wouldn't mess it up.
What I always do is after you format system ....remount system....
It should look like this.....unmount/system.
So long as it says that you will be fine.
Oh and btw...you can not flash back from ics or jb to gb without first flashing back to stock with a one click.
Click to expand...
Click to collapse
Thanks I think I've solved the problem.

Good deal!...
I remember that feeling of "oh crap"
Lol

Shortbus-Driver said:
Good deal!...
I remember that feeling of "oh crap"
Lol
Click to expand...
Click to collapse
Service is working fine however, my goal was to go back to GingerBread but after I use the one-click back to stock, I am forced into a recovery mode that is unable to mount /system /cache /data and I can not flash anything except AOKP Milestone 6 which then works fine.

I don't know what's goin wrong for you.....I have only ever used Odin to flash back to stock
Gremlin remover one click and have never had an issue.

Can't get to recovery..

So I'm trying to come back to JB for my 4th go around (I've gone back to stock a few times for no good reason) and I've never had this problem. I went from AEON to Infinitum like I always have, and for some odd reason I can't get into the recovery mode to flash to JB. I've tried the option to go straight to recovery from the power menu, and I've done the 3-finger salute numerous times. I've waited a good 30 minutes before coming here to post this because even though it won't be a long process going back to stock again from ICS, I'd rather not do it. The power button isn't stuck because I have no problem turning it on and off, and there's no bootloops, but I don't know of anything else to try.
Looking in ROM Manager, it says I have CWM 6.0.3.2 installed, so it is there, but it will just sit on ''Galaxy S Cyanogen(mod)'' screen. I thought maybe ''Oh, just reflash it'' but I can't. Because you need to get to recovery for that..

Too late to offer assistance, I just decided to go back to stock and start over, hopefully this process won't repeat itself.
But feel free to offer any opinions or help in case it happens again. Good thing I don't have anything planned for the next 2-3 hours

If trying to get to jb, put infinitum and your jellybean rom on your sd. Then flash CM9 http://forum.xda-developers.com/showthread.php?t=1601844 It get's you to recovery. Flash Ics then, wipe and flash jelly bean.

Tank Weston said:
If trying to get to jb, put infinitum and your jellybean rom on your sd. Then flash CM9 http://forum.xda-developers.com/showthread.php?t=1601844 It get's you to recovery. Flash Ics then, wipe and flash jelly bean.
Click to expand...
Click to collapse
I was on Infinitum, and that's where the problem was. I couldn't flash anything else because I couldn't get to recovery mode. I just went back to stock again and went through the processes but ditched Infintum for CM9 this time. Worked, and now I'm sitting on Scott's Beanstalk 1.261

UnhoIy said:
I was on Infinitum, and that's where the problem was. I couldn't flash anything else because I couldn't get to recovery mode. I just went back to stock again and went through the processes but ditched Infintum for CM9 this time. Worked, and now I'm sitting on Scott's Beanstalk 1.261
Click to expand...
Click to collapse
Welcome, its my preferred method of doing it also.
Scott's Beanstalk for the win