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[Q] My Nexus S cannot boot

Hello,
I was trying to root my Nexus S, and in the mean time don't know what failed, but now I cannot boot.
If I boot normally, pressing the power button, it gets stucks in the screen showing "Google" and nothing happens.
I can access the recovery menu if I press the volume up button while pressing the power button. I tried to reload images and recover from them, but it always get stucks in the image of the android with the exclamation.
My question is, does any of you know how I can repair my booting? At this point I don't care if I lose the root or not.
Thank you!

The exclamation is probably the stock recovery do you know how to use ADB
Sent from my HTC Desire HD using XDA App

yes, I know how to use it, not an expert but i know how to use it.

try this
http://forum.xda-developers.com/showthread.php?t=1105892

duendecito_vivo said:
Hello,
I was trying to root my Nexus S, and in the mean time don't know what failed, but now I cannot boot.
If I boot normally, pressing the power button, it gets stucks in the screen showing "Google" and nothing happens.
I can access the recovery menu if I press the volume up button while pressing the power button. I tried to reload images and recover from them, but it always get stucks in the image of the android with the exclamation.
My question is, does any of you know how I can repair my booting? At this point I don't care if I lose the root or not.
Thank you!
Click to expand...
Click to collapse
seems like you never flashed to stock or bad flash try full wipe and flash either rooted stock or custom rom

Didn't help, no useful solution in that thread, however will keep an eye there if something new comes up.
Anyone experienced the same problem ?

sammael1069 said:
seems like you never flashed to stock or bad flash try full wipe and flash either rooted stock or custom rom
Click to expand...
Click to collapse
how to do it ?

duendecito_vivo said:
Didn't help, no useful solution in that thread, however will keep an eye there if something new comes up.
Anyone experienced the same problem ?
Click to expand...
Click to collapse
this guy pulled battery and wiped dalvik-cache
http://forum.xda-developers.com/showthread.php?t=1042452&highlight=boot+loop

duendecito_vivo said:
how to do it ?
Click to expand...
Click to collapse
in clockwork mod
-advanced-wipe dalvik cache
but from root and stuck on bootloop you might need to reflash the rooted stock rom. it is usually PDxx.IMG what root method did you use? did you get any errors?

I got no errors.
I already tried to flash with several differents .img, but none worked so far... I tried really a lot differents. Always get stuck at booting.

sammael1069 said:
this guy pulled battery and wiped dalvik-cache
http://forum.xda-developers.com/showthread.php?t=1042452&highlight=boot+loop
Click to expand...
Click to collapse
It didn't work

duendecito_vivo said:
I got no errors.
I already tried to flash with several differents .img, but none worked so far... I tried really a lot differents. Always get stuck at booting.
Click to expand...
Click to collapse
Hello!
If you see the triangle and ! when you go into recovery, then you just need to flash clockworkmod recovery. Then you can flash a ROM.

if your in clockwork do full wipe then flash new img i always do this order
-mounts and storage
-format /cache
-format /data
-format /system
-back to advanced
-wipe dalvik cache
-wipe battery stats
-*****go back****
-wipe data/factory reset
-now flash rom

already tried, didn't work... nothing happens

the same happens, still get stuck during booting....

after wipe do you see rom install

sammael1069 said:
if your in clockwork do full wipe then flash new img i always do this order
-mounts and storage
-format /cache
-format /data
-format /system
-back to advanced
-wipe dalvik cache
-wipe battery stats
-*****go back****
-wipe data/factory reset
-now flash rom
Click to expand...
Click to collapse
I did it, still getting stuck in Google screen during booting

duendecito_vivo said:
the same happens, still get stuck during booting....
Click to expand...
Click to collapse
how long is it in boot some can go 10 min.
first boot is always long
which rom are you flashing

sammael1069 said:
how long is it in boot some can go 10 min.
first boot is always long
Click to expand...
Click to collapse
Really, so long? Ok, I will wait

duendecito_vivo said:
Really, so long? Ok, I will wait
Click to expand...
Click to collapse
Ok, more than 10 mins booting, nothing happens.

[Q] I am Bricked....i think

Ok, So i rooted my T-mobile G2x 2.3.3 and there were difficulties when i flashed the Cyanogen 7mod. The Rom worked but the only default was i didnt get data. Like i couldnt even get Edge. The only way to use internet and stuff was through wifi. SO then i reflashed it thinking it was a bad flash. But when i reflash through rom manager it gives me the option to downoad with google apps. so i clicked that option. It downloaded fine but on the reboot it stayed stuck on the 2nd LG screen. Am i bricked or if anyone can help id appreciate it alot.

U can't do it via rom manager. U have to flash recovery using nv flash, then u can try to flash custom rom. Remeber to wipe data and format system before flashing any rom.
U r not bricked yet
Check here to nv flash the cwm
http://forum.xda-developers.com/showthread.php?p=13330067
Sent from my LG-P999 using xda premium

Did you flash CWM via NV Flash. If not, do that. Then boot into recovery by holding down the power + volume down keys until you get the second boot logo. Then wipe the dalvik cache and the regular cache. That is usually why a phone refuses to boot.
Also, if your phone turns on it is not bricked. Bricked means when you press the power button nothing happens at all. You can be soft-bricked like you are, but it can be easily fixed. Nothing to panic about.

I did all of that im sorry if i gave you info wrong. Like i cant do anything it turns on but goes to the first LG screen then goes to the new LG screen with the blue streaks and it stays there. Then when i try to go into CWR it shows the LG with a blue and black loading bar below then shows as if its loading something then it just goes back to the blue LG screen and im stuck there.

iSpooNz said:
I did all of that im sorry if i gave you info wrong. Like i cant do anything it turns on but goes to the first LG screen then goes to the new LG screen with the blue streaks and it stays there. Then when i try to go into CWR it shows the LG with a blue and black loading bar below then shows as if its loading something then it just goes back to the blue LG screen and im stuck there.
Click to expand...
Click to collapse
You have stock recovery on the recovery partition, not CWM. You MUST flash CWM onto the physical recovery partition using NVFlash with the One Click flasher. You used Rom Manager and that doesn't install CWM onto the recovery partition. Once you have CWM properly installed you can enter recovery and revive your phone.

jboxer said:
You have stock recovery on the recovery partition, not CWM. You MUST flash CWM onto the physical recovery partition using NVFlash with the One Click flasher. You used Rom Manager and that doesn't install CWM onto the recovery partition. Once you have CWM properly installed you can enter recovery and revive your phone.
Click to expand...
Click to collapse
Ok so from CWM do i wipe everything?

jboxer said:
You have stock recovery on the recovery partition, not CWM. You MUST flash CWM onto the physical recovery partition using NVFlash with the One Click flasher. You used Rom Manager and that doesn't install CWM onto the recovery partition. Once you have CWM properly installed you can enter recovery and revive your phone.
Click to expand...
Click to collapse
@OP, this is is correct. Use tga gunmann's nvflash tool from the development section. The process is super easy. Just make sure to follow his instructions closely. Just fyi, most people get errors during the nvflash process because they don't install the apx drivers appropriately, so take your time and read the instructions carefully.

iSpooNz said:
Ok so from CWM do i wipe everything?
Click to expand...
Click to collapse
Start off by wiping cache and then go to Advanced and wipe dalvik cache. If you still can't boot after that then try a full factory reset.
Just remember the first boot after wiping dalvik cache can take several minutes as android rebuilds the dalvik cache. All subsequent reboots will be MUCH faster.

phburks said:
Start off by wiping cache and then go to Advanced and wipe dalvik cache. If you still can't boot after that then try a full factory reset.
Just remember the first boot after wiping dalvik cache can take several minutes as android rebuilds the dalvik cache. All subsequent reboots will be MUCH faster.
Click to expand...
Click to collapse
Ok so i ended up having to do a factory reset yet im still getting the same results. Im still stuck on the 2nd lg screen when booting up

iSpooNz said:
Ok so i ended up having to do a factory reset yet im still getting the same results. Im still stuck on the 2nd lg screen when booting up
Click to expand...
Click to collapse
Did you do as phburks said and go into advanced and wipe the Dalvik Cache. Most issues of not booting are related to the Dalvik Cache not being wiped after flashing a new rom. That is essential to getting your phone to boot again. A factory reset DOES NOT clear the Dalvik Cache.

iSpooNz said:
Ok so i ended up having to do a factory reset yet im still getting the same results. Im still stuck on the 2nd lg screen when booting up
Click to expand...
Click to collapse
Boot back into cwm, go to Mounts and Storage, format /system and then reflash your rom.

phburks said:
Boot back into cwm, go to Mounts and Storage, format /system and then reflash your rom.
Click to expand...
Click to collapse
Ok ill try that.
jboxer said:
Did you do as phburks said and go into advanced and wipe the Dalvik Cache. Most issues of not booting are related to the Dalvik Cache not being wiped after flashing a new rom. That is essential to getting your phone to boot again. A factory reset DOES NOT clear the Dalvik Cache.
Click to expand...
Click to collapse
Yea i wiped Dalvik cahce and the same result came up. So i factory resetted and same result. So im going to try what phburks said and see what happens.

Im still stuck in the second LG screen :/

iSpooNz said:
Im still stuck in the second LG screen :/
Click to expand...
Click to collapse
Could be a bad download. I'd try downloading again. Use your computer to download again and save it to your microsd card. Then reinsert the sdcard, boot back into cwm and try again.

phburks said:
Could be a bad download. I'd try downloading again. Use your computer to download again and save it to your microsd card. Then reinsert the sdcard, boot back into cwm and try again.
Click to expand...
Click to collapse
download the rom right?

iSpooNz said:
download the rom right?
Click to expand...
Click to collapse
Yea the rom. Is it cm7 that you're wanting to flash?

phburks said:
Yea the rom. Is it cm7 that you're wanting to flash?
Click to expand...
Click to collapse
The reason I ask is that with cm7 you have to flash 2 separate zip files. First you flash the actual cm7 zip which installs the rom and then you flash the gapps zip which installs the Google apps (market, gmail, etc). Make sure you have both on your sdcard and then flash the rom first and gapps second.

phburks said:
The reason I ask is that with cm7 you have to flash 2 separate zip files. First you flash the actual cm7 zip which installs the rom and then you flash the gapps zip which installs the Google apps (market, gmail, etc). Make sure you have both on your sdcard and then flash the rom first and gapps second.
Click to expand...
Click to collapse
Im glad you brought that up because when i first flashed Cyanogen i did also flash gapps but after i flashed gapps thats when i wouldnt get data. Do you know the reason for this? or was it could have been another bad flash?

iSpooNz said:
Im glad you brought that up because when i first flashed Cyanogen i did also flash gapps but after i flashed gapps thats when i wouldnt get data. Do you know the reason for this? or was it could have been another bad flash?
Click to expand...
Click to collapse
Not sure. I'd just play it safe, re-download both, wipe data, and reflash both. Sometimes its hard to determine which step went wrong and its best and quicker to just start with a clean slate and redo everything.

I wont be able to post for a while so good luck.

[Q] Phone doesn't boot

Yesterday i preformed a hot reboot because my phone was not installing apps correctly. I used the app Hot Reboot. When i looked at my phone again this morning it was still booting! I took the battery out and back again and pressed the power button. But how i try it keeps booting all the time! I can get into all boot modes but i don't want to flash a whole new rom 'cause i haven't backup all my stuff... What can I do? Will this be solved with flashing for example a new kernel or anything wich doen't reset my phone? I'd really appreciatie help!

Try clearing the cache and the dalvik cache in recovery, if that doesn't work tho you will most likley have to do a full wipe and re-install your rom.

Baz Scotland said:
Try clearing the cache and the dalvik cache in recovery, if that doesn't work tho you will most likley have to do a full wipe and re-install your rom.
Click to expand...
Click to collapse
Tnx but my phone still keeps on booting after wiping cache. Is there maybe a way to backup all my system 'n data files using adb or something?

It also happened to me this morning...u may again flash your device with the stock roms (froyo or gingerbread) again by using Odin Multi downloader...first power off the phone..then hold volume down+home+power on
To bring into download mode
Then flash the roms...it should restart....at least worked for me
Sent from my GT-S5570 using XDA App

Humpie said:
Tnx but my phone still keeps on booting after wiping cache. Is there maybe a way to backup all my system 'n data files using adb or something?
Click to expand...
Click to collapse
Go into recovery mode and then go to backup and restore and then select backup. It usually takes a little while backing up the system so be patient.

Smonic said:
Go into recovery mode and then go to backup and restore and then select backup. It usually takes a little while backing up the system so be patient.
Click to expand...
Click to collapse
I don't have clockworkmod recovery. Can I just flash the latest version of g3mod (wich involves cwmrecovery)? Doesn't it reset my phone if I flash that?
But are there no possibilities using adb? Because i run one of the first g3mod kernels...

Humpie said:
I don't have clockworkmod recovery. Can I just flash the latest version of g3mod (wich involves cwmrecovery)? Doesn't it reset my phone if I flash that?
But are there no possibilities using adb? Because i run one of the first g3mod kernels...
Click to expand...
Click to collapse
Just flash the latest G3MOD kernel and use the CWM from that. It won't wipe any data whatsoever but if you get force closes it is recommended that you wipe the data from CWM. I don't really know how to use ADB but i think rudolf895 has a tutorial on youtube. Google 'rudolf895' and find his video that is called how to make your own custom ROM.

Smonic said:
Just flash the latest G3MOD kernel and use the CWM from that. It won't wipe any data whatsoever but if you get force closes it is recommended that you wipe the data from CWM. I don't really know how to use ADB but i think rudolf895 has a tutorial on youtube. Google 'rudolf895' and find his video that is called how to make your own custom ROM.
Click to expand...
Click to collapse
ok i'll flash g3mod 2
But can cwmrec. backup everything?

ok i backuped everything and did a factory reset. It's booting now for about 3 minutes, i hope it'll finally bootup!
Edit it doesn't boot up What else can i do in cwm recovery?

YYYYYYYYEEEEEEEEEEEEEEEEEEAAAAAAAHHHHHHHHHHHH
It booted up after another factory reset! Tnx alot!
Now I have to install all my apps again, Cmw recovery couldn't mount my sdcard partition

Humpie said:
YYYYYYYYEEEEEEEEEEEEEEEEEEAAAAAAAHHHHHHHHHHHH
It booted up after another factory reset! Tnx alot!
Now I have to install all my apps again, Cmw recovery couldn't mount my sdcard partition
Click to expand...
Click to collapse
I would recommend that you flash a new rom and then wipe everything including sd card and sd ext if you get any more troubles
Sent from my GT-I5800 using XDA App

solution for bootloop

i experienced sometimes when i install ics over any GB my phone just lost on bootloop with blue cwm recovery.
and after every thing myphone just struck up in blue recovery it happens coz some previous system files sometimes not completely deleted, dont worry if u also find same, just do following as what i do.
search and download infuse toolkit v1.10 and when u got in bootloop in cwm just flash this toolkit from cwm and follow the instructions till option full wipe or complete wipe and reboot ,after that it will again boot up in cwm recovery now wipe cach system and again install ur rom.

Your thread has been moved. This belongs in the General section and not in Development. Thank you.

babamanan said:
i experienced sometimes when i install ics over any GB my phone just lost on bootloop with blue cwm recovery.
and after every thing myphone just struck up in blue recovery it happens coz some previous system files sometimes not completely deleted, dont worry if u also find same, just do following as what i do.
search and download infuse toolkit v1.10 and when u got in bootloop in cwm just flash this toolkit from cwm and follow the instructions till option full wipe or complete wipe and reboot ,after that it will again boot up in cwm recovery now wipe cach system and again install ur rom.
Click to expand...
Click to collapse
did you....get it done?!?!
are you good?

bigjoe2675 said:
did you....get it done?!?!
are you good?
Click to expand...
Click to collapse
Yes always

[Q] PLZ HELP!! very bad soft bricked GT-P5100 :'(

2 days ago i was just going around my advanced junk with clean master app. there was a filed named empty folders which was 11 mb in advanced junk section, so i cleared the file and went to play angry birds, then suddenly it stuck and rebooted. :'( now every time it boots up, shows the boot image, starts the cyanogenmod boot animation and then the boot animation stucks and then the whole process again...REBOOT LOOP
i tried every thing till now:
1. tried to install stock rom through odin but still shows cyanogenmod animation and reboot loops
2.tried to install different recovery but the recovery doesn't change also.
3. tried to install a different rom for eg: PAC rom. it installs but it still shows cyanogenmod
4. also now i tried to install stock firmware with pit file but it still shows cyanogenmod animation.
AND MY WARRANTY WAS EXPIRED MONTHS AGO
i think there is a problem with the partition or something... i dont know how to fix it
SOMEONE PLZ HELP ME!

Have you tried downloading the stock Samsung Firmware and flash it thru Odin don't use pit file unless you're partiitions Are messed up
Sent from my HUAWEI Y300-0100 using xda app-developers app

tried everything
jack54782 said:
Have you tried downloading the stock Samsung Firmware and flash it thru Odin don't use pit file unless you're partiitions Are messed up
Sent from my HUAWEI Y300-0100 using xda app-developers app
Click to expand...
Click to collapse
I have tried everything:
1. flashing the stock firmware with odin but still cyanogenmod animation loads and restart loops
2. flashing the stockfirmware with PIT file but still reboot loop with cyanogenmod animation.

fahad5596 said:
I have tried everything:
1. flashing the stock firmware with odin but still cyanogenmod animation loads and restart loops
2. flashing the stockfirmware with PIT file but still reboot loop with cyanogenmod animation.
Click to expand...
Click to collapse
If you are able to boot to recovery, can't you wipe completely? (System, cache, data) Once CM is gone you should be able to install other Rom. I'm a little confused how CM could continue to boot if it has been wiped from phone...
Sent from my GT-p511x

wiped many times
sharonbw said:
If you are able to boot to recovery, can't you wipe completely? (System, cache, data) Once CM is gone you should be able to install other Rom. I'm a little confused how CM could continue to boot if it has been wiped from phone...
Sent from my GT-p511x
Click to expand...
Click to collapse
i wiped everything except sdcard in mount section even the dalvic cache but still cm boot animation appears :/
i think i cleared a system file which was related to the partition of the system in the advanced junk section of clean master app...
I HATE CLEAN MASTER

You can flash a Custom-Recovery using Odin.
You´ll find a link latest recoverys in my signature.
If Stock Recovery still boots you need to uncheck "Auto-Reboot" in Odin. When Odin finished flashing, wait 1 minute to be sure. Then directly boot into recovery from download-mode and enjoy the custom recovery.
This will increase your flashcounter!
Put your Rom & Gapps on your MicroSD Card
In CWM / CWM based recoverys:
Wipe Cache
Wipe Dalvic Cache
Wipe Data Factory Reset
format /system
fromat /data and /data/media (this will format your internal sd! be sure your rom placed on microSD card)
flash the rom
reboot (first boot can take ~30 minutes - if it still bootloops: something´s worng )
if everything working:
reboot recovery
flash gapps
reboot

Strange that reflashing the system didn't help. You could try it with an other recovery?