[Q] Cynogenmod boot loop - Galaxy S III Q&A, Help & Troubleshooting

I installed CM9 using clockworkmod and i got stuck in cynogenmod's boot loop, i am running Jelly bean 4.1.2

Try to format cache and dalvik cache

you are not running jellybean if you flashed CM9, because it's ICS.
Always do a factory reset when changing ROMs (wipe data).
And clearing the cache won't help, you have to wipe data

Related

[Q] CM9 Unofficial Release 2 (Update)

Coming from Team Perfection UCLE2. Data Wiped. Wiped Cache and Dalvik. Flashed CM9 Unofficial.
Entered CWM. Wiped Cache and Dalvik. Flashed gapps zip. All was fine other than the known issues. Ran the ROM all day.
Saw that there was an update. Wiped Cache and Dalvik 3 times. Flashed Update. Rebooted and was treated to an infinite loop of a double Samsung Logo.
Tried again. Wiped Cache and Dalvik 3 times. Flashed update zip. Same infinite boot loop.
Tried again. This time, wiped data and decided to start clean. Wiped cache and Dalvik. Flashed Update. Same boot loop.
Tried again. Wiped data. Wiped cache and dalvik. Flashed the original CM9 release. Booted fine.
Booted to CWM. Wiped cache and dalvik. Installed gapps. Booted and all was fine.
Booted to CWM. Wiped cache and dalvik. Flashed update. Got same boot loop.
Anyone else have this happen to them? Any ideas?
Thanks
Web-head said:
Coming from Team Perfection UCLE2. Data Wiped. Wiped Cache and Dalvik. Flashed CM9 Unofficial.
Entered CWM. Wiped Cache and Dalvik. Flashed gapps zip. All was fine other than the known issues. Ran the ROM all day.
Saw that there was an update. Wiped Cache and Dalvik 3 times. Flashed Update. Rebooted and was treated to an infinite loop of a double Samsung Logo.
Tried again. Wiped Cache and Dalvik 3 times. Flashed update zip. Same infinite boot loop.
Tried again. This time, wiped data and decided to start clean. Wiped cache and Dalvik. Flashed Update. Same boot loop.
Tried again. Wiped data. Wiped cache and dalvik. Flashed the original CM9 release. Booted fine.
Booted to CWM. Wiped cache and dalvik. Installed gapps. Booted and all was fine.
Booted to CWM. Wiped cache and dalvik. Flashed update. Got same boot loop.
Anyone else have this happen to them? Any ideas?
Thanks
Click to expand...
Click to collapse
Follow the instructions I posted in the following thread.
http://forum.xda-developers.com/showthread.php?t=1666947
I had issues coming from other ROMs too.
Oh. And release two can be flashed by itself coming from hybrid. No need to flash release 1 first.
Is there any way to remove the vibration during the AOSP unlock at the moment?

[Q] Boot Loop on CM9 Unofficial Update

Coming from Team Perfection UCLE2. Data Wiped. Wiped Cache and Dalvik. Flashed CM9 Unofficial.
Entered CWM. Wiped Cache and Dalvik. Flashed gapps zip. All was fine other than the known issues. Ran the ROM all day.
Saw that there was an update. Wiped Cache and Dalvik 3 times. Flashed Update. Rebooted and was treated to an infinite loop of a double Samsung Logo.
Tried again. Wiped Cache and Dalvik 3 times. Flashed update zip. Same infinite boot loop.
Tried again. This time, wiped data and decided to start clean. Wiped cache and Dalvik. Flashed Update. Same boot loop.
Tried again. Wiped data. Wiped cache and dalvik. Flashed the original CM9 release. Booted fine.
Booted to CWM. Wiped cache and dalvik. Installed gapps. Booted and all was fine.
Booted to CWM. Wiped cache and dalvik. Flashed update. Got same boot loop.
Anyone else have this happen to them? Any ideas?
Thanks
You double posted. Answered in the other thread.

[Q] 4.2.1 downgrade

Is that possible downgrade from 4.2.1 to 4.1.2?
I try several rom ald, but also got error when boot
Just remember to factory reset, clear cache and dalvik cache
Sent from my potato running potatomod.
you can downgrade or upgrade to any android version if you have a proper CWM recovery. Just wipe data, cache and dalvic cache..Then install any compatible rom

[Q] Downgrade from CM11 to Jelly bean 4.1.2

Hi guys im an xperia s LT26i user and i have an unlocked bootloader. Im currently running cm11 rom by raymanfx. The last time i tried to flash 4.1.2 rom i did NOT wipe system and i ended up getting a bootloop and soft brick. So if i am running cm11 and if i want to downgrade to 4.1.2 do i need to wipe system, data, cache and dalvik cache? cache and dalvik is a must but if i wipe system and data will it work?
You should make a full wipe probably everytime you switch your ROM. So:
- factory reset
- wipe dalvik cache
- format system
So your entire system is clear and if this don't work flash latest Stock ROM first and then the ROM you'ld like to run on your phone
lol98lol98 said:
You should make a full wipe probably everytime you switch your ROM. So:
- factory reset
- wipe dalvik cache
- format system
So your entire system is clear and if this don't work flash latest Stock ROM first and then the ROM you'ld like to run on your phone
Click to expand...
Click to collapse
Ok so i formatted my whole phone with the suggestions you gave and when i flashed the existenz rom by niaboc79 which is the stock rom it says "E:Error executing updater binary" and "Error flashing zip" and im on TWRP Recovery mod version 2.6.3.0
Ok i fixed it i just had to flash doomlord kernel which gets me back to cwm then flashing again fixed the problem. Thanks alot for your help though it did help me at some stages.

How to downgrade from CM11 to CM10.2

Hi
I flashed CM11 on my rooted Samsung S3 LTE which was running stock 3.5. I am thinking of going down to CM10.2. (I hear it isn't as tough on the battery)
Do I just wipe cache and dalvik, factory reset, flash Rom and Gapps, wipe cache and dalvik and reboot or is it more complex.
Thanks in advance
Z

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