Boot loop - LG Optimus G Pro

OK I was on a 4.4 rom battery life was not good so I restored back to stock. Everything went good. Then it was doing some updates of apps then it said there was a update from att and I pressed OK on meant to hit no so it said phone will reboot when it did it went into my recovery and it keeps bootlooping into recovery. It will not let me restore to any of my back ups. What the hell I have like 3 different backups. And everyone I choose it runs and completes but bootloops back to recovery. Help
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Same thing happens to me. I had to restore back to stock using LG flash tool. Then 're-root.

I wonder why it did that? Is there any other way
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Can you try hard reset your phone.

You can wipe system cache dalvik and data reboot to recovery and try restore.
Else lg flashtool.
Sent from my LG-E980 using Tapatalk

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[Q] Bricked my phone. I need help!

I got a new white T-Mobile GS3 last night, to replace a blue one i had that was having bluetooth problems. Once I rooted the new one I restored a nandroid I had made before returning the first one. For several hours the phone worked just fine, until it froze up, leaving my only choice to pull the battery. When I started it up again, it just looped from the Samsung logo to the Galaxy S III logo. I tried to restore the nandroid again, but it said something about incorrect MD5 sums. When that didn't work I tried flashing back to stock through ODIN. It says everything passes, but when it reboots it just continues to loop through the two screens.
Any help would be very much appreciated.
I would recommend you flash the stock boot and recovery > re-root. Though as a general I wouldn't flash a backup, even if from a similar device, ans things of your nature can happen.
I tried to flash the stock boot and recovery through ODIN, but it still wouldn't boot up. Is there a better way I can flash stock?
Did you try clearing all data and formatting system from recovery?
Sent from my SGH-T999 using XDA Premium HD app
daijizai said:
Did you try clearing all data and formatting system from recovery?
Sent from my SGH-T999 using XDA Premium HD app
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Yeah. Gave that a try.
deecampp said:
I tried to flash the stock boot and recovery through ODIN, but it still wouldn't boot up. Is there a better way I can flash stock?
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Click to collapse
You shouldnt of recovered your old nandroid on a different device, maybe the data partition but not the full nandroid.
Was this theStock Odin tar you flashed?
http://forum.xda-developers.com/showthread.php?t=1737855
Yes, that was the file I flashed
Any other suggestions? I'm really screwed. I can't even use my old phone because of this micro sim card.
Have you tried reflashing the stock Odin tar again?
Sent from my Samsung Galaxy SIII using Tapatalk
Yeah. I've reflashed (as well as downloaded fresh copies), several times. Same results.
delete

Phone Dead, Bad Night, Help Wanted

I flashed TWRP 2.5 and then flashed Task's AOKP 4/9 ROM and everything went down hill from there. The phone kept rebooting after a minute or so, so I did a factory reset and reflashed the ROM. That didn't help, it actually made it worse in that it would not get past the kernel splash screen. So I did another wipe and the same thing. I wiped again and flashed an older version of AOKP 4/5 and again would only get to the kernel splash. After another hour or so I decided I'll just go back to rooted stock, so using Odin 3 3.07 I flashed my trusted root69.stock_ATT_I747UCALG1 image and now it just stays on the Samsung screen.
I've run out of thoughts on what the hell is the problem and thought I'd ask.
Anyone have any suggestions on what I can do to get this paper weight working again?
dhostetter said:
I flashed TWRP 2.5 and then flashed Task's AOKP 4/9 ROM and everything went down hill from there. The phone kept rebooting after a minute or so, so I did a factory reset and reflashed the ROM. That didn't help, it actually made it worse in that it would not get past the kernel splash screen. So I did another wipe and the same thing. I wiped again and flashed an older version of AOKP 4/5 and again would only get to the kernel splash. After another hour or so I decided I'll just go back to rooted stock, so using Odin 3 3.07 I flashed my trusted root69.stock_ATT_I747UCALG1 image and now it just stays on the Samsung screen.
I've run out of thoughts on what the hell is the problem and thought I'd ask.
Anyone have any suggestions on what I can do to get this paper weight working again?
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Click to collapse
Not sure about the problem with aokp. But your bootloop just pull the battery, reinstall battery, go into stock recovery, factory reset and voilĂ 
Sent from my SAMSUNG-SGH-I747 using xda app-developers app
KorGuy123 said:
Not sure about the problem with aokp. But your bootloop just pull the battery, reinstall battery, go into stock recovery, factory reset and voilĂ 
Sent from my SAMSUNG-SGH-I747 using xda app-developers app
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Click to collapse
This will do it. Flashing back to 4.0.4 will bootlopp until you factory reset in stock recovery
Sent from my SAMSUNG-SGH-I747 using xda premium
Same thing happened to me. Boot loop with 4/9 AOKP task so I Odin to the same file as you but that ran just fine. I would try to Odin again.
Oh and after stock with root I flashed 4/9 and all was good. By chance did you have custom boot animation?
Sent from my SGH-I747 using xda premium
drock212 said:
Same thing happened to me. Boot loop with 4/9 AOKP task so I Odin to the same file as you but that ran just fine. I would try to Odin again.
Oh and after stock with root I flashed 4/9 and all was good. By chance did you have custom boot animation?
Sent from my SGH-I747 using xda premium
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Yes I had a custom boot image.
Getting ready to factory reset and reboot. Hope all goes well.....
dhostetter said:
Yes I had a custom boot image.
Getting ready to factory reset and reboot. Hope all goes well.....
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Click to collapse
I think it's the custom boot causing this issue. Anyway good luck. I know my heart skipped a beat when my phone would boot loop while to get into recovery. Once I Odined back to stock with root first/only thing I downloaded was goomanager and installed TWRP then flashed 4/9.
Sent from my SGH-I747 using xda premium
drock212 said:
I think it's the custom boot causing this issue. Anyway good luck. I know my heart skipped a beat when my phone would boot loop while to get into recovery. Once I Odined back to stock with root first/only thing I downloaded was goomanager and installed TWRP then flashed 4/9.
Sent from my SGH-I747 using xda premium
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I'm back up and running again. A little embarrassed I forgot the factory reset last night.
Thanks for the reminder!
AOKP is a great ROM.
When flashing ROMs always follow these steps and you will be fine.
1- nandroid backup
2- format system
3- wipe cache
4- wipe Dalvik
5- factory reset.
Most suggest doing each 3 times.
6- install ROM and reboot
7- flash gapps
Let sit for 10 minutes.
Follow those instructions and everything will be fine.
Sent from my SGH-I747M

phone stopped at boosting animation after unroot

HI all
so i rooted my phone and been using custom rom, but didn't like the instability of them. so now I am trying to go back to stock firmware but with root access.
so i went to samsung official website and downloaded the firmware
http://www.sammobile.com/firmwares/1/?model=SGH-I747M&pcode=0#firmware
then I use odin and flash that .tar file on my phone. every thing went smoothly, the flahsing was complete.
but after my phone was rebooted. it stopped at the boosting animation ( the one with big word "samsung" and purple like going at behind)
what is happening? any help would be appreciated thank you
Boot into Samsung stock recovery
Wipe cache data etc and you should be good to go!
Sent from my SAMSUNG-SGH-I747 using Tapatalk 2
Did you wrote cache and dalvik?
Sent from my SGH-I747 using Tapatalk 4 Beta

[Q] Recovery Problem while Restoring?

hey guys, so few days ago and today, I am having a problem with my recovery when it come to restore. My recovery was working fine with I back up to my sdcard, but when it come to restore, it start to reboot less than 5 mins ish. I did tried to back up again but it did again. I did tried to clean my sdcard, putting new recovery, other things to make it work. My recovery never did. So right now, I am going to try to get back to stock to see if it will work or not. Any problem why this happen?
Are u using cwm or twrp?
Sent from my SGH-I747 using xda premium

GS3 Reboots In Clockworkmod

running PAC ROM for the last few months, very few issues. yesterday, phone randomly reboots & stays in bootloop. I manually reboot into recovery, do a clean wipe & re-flash ROM. phone works fine until i try to restore apps/data via Titanium, the phone goes back into bootloop. figured i possibly waited too soon to restore my phone, so i held out until this morning. go to run Titanium & phone bootloops again. but this time when i reboot into recovery & try to do a factory reset, the phone reboots as soon as i select "Yes" & goes back into bootloop. Google produced nothing, help!!!! Thanks.
Reflash rom and try to determine which app youre restoring that may be causing the problem. Do you let apps auto update? Do you have backups set to rerun on a schedule?
You could also odin flash the official firmware and start over that way.
Sent from my SGH-T999 using xda premium
DocHoliday77 said:
Reflash rom and try to determine which app youre restoring that may be causing the problem. Do you let apps auto update? Do you have backups set to rerun on a schedule?
You could also odin flash the official firmware and start over that way.
Sent from my SGH-T999 using xda premium
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Click to collapse
thanks for your response! I believe I found the culprint; a theme I downloaded yesterday. I was able to wipe everything except data & reboot, which caused the phone to "optomize" all of my apps. So far so good, but I'm not so sure if this is a temporary or permanent fix.
I dont auto update anything on my phone. Should I?
EDIT: spoke too soon, phone worked for about 2 hours & went into bootloop while idle. froze while deleting dalvik cache but rebooted & is back "optomizing apps". Looks like I may have to odin flash.
armondwakeup said:
thanks for your response! I believe I found the culprint; a theme I downloaded yesterday. I was able to wipe everything except data & reboot, which caused the phone to "optomize" all of my apps. So far so good, but I'm not so sure if this is a temporary or permanent fix.
I dont auto update anything on my phone. Should I?
EDIT: spoke too soon, phone worked for about 2 hours & went into bootloop while idle. froze while deleting dalvik cache but rebooted & is back "optomizing apps". Looks like I may have to odin flash.
Click to expand...
Click to collapse
Dont auto update, I was just asking because if you did, it could point to a recently updated app as the problem.
It does sound to me like odin is your best option though.
Sent from my SGH-T999 using xda premium
Wow armond, the EXACT same thing happened to be while running Illusion. I couldn't factory reset in recovery, b/c that led to a bootloop when i pressed "yes". I wiped, cache/dalvik and phone worked for a little, had a hot reboot, and bootlooped again. By any chance are you running Ktoonsez kt747 kernel? And i eventually got it fixed thanks to Doc through ODIN. Best of luck!

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