[Q] Boot Loop - Nexus S Q&A, Help & Troubleshooting

Hi Guys,
replaced my wpa_supplicant file in a failed attempt to get adhoc connectivity. Now I have the dreaded boot loop.
If I try recovery mode, I get an exclamation mark so thats a no go. The phone shows up in device manager on XP as "Android ADB Interface", but ADB device list is empty.
Any help much appreciated,
Regards
ross

Every time you boot the phone the NS rewrites the recovery back to stock. You MUST flash a custom recovery EVERY TIME (unless you rename the stock recovery img, search for how to do it on xda) That's why you can't get into recovery.
Sent from my NS running NSCollab cuz I lost my tin cans and string....

rossc007 said:
Hi Guys,
replaced my wpa_supplicant file in a failed attempt to get adhoc connectivity. Now I have the dreaded boot loop.
If I try recovery mode, I get an exclamation mark so thats a no go. The phone shows up in device manager on XP as "Android ADB Interface", but ADB device list is empty.
Any help much appreciated,
Regards
ross
Click to expand...
Click to collapse
Babydoll25 said:
Every time you boot the phone the NS rewrites the recovery back to stock. You MUST flash a custom recovery EVERY TIME (unless you rename the stock recovery img, search for how to do it on xda) That's why you can't get into recovery.
Sent from my NS running NSCollab cuz I lost my tin cans and string....
Click to expand...
Click to collapse
thats not true, you dont have to flash the custom recovery every time. i bet cw recovery was flashed through rom manager, thats why its not there right now. what you want to do is flash the recovery through fastboot, then it will stick.

Thanks for the replies guys, I've made progress but I'm still have issues.
I'm relatively new to this so forgive me if my understanding of the process isnt what it should be. I've flashed a recovery mod (recovery-clockwork-3.0.2.4-crespo.img) using fastboot via the SDK. The file was uploaded successfully. I reboot the phone and I still get the boot loop problem after about 20 secs.
I assume that the recovery mod doesnt replace the wpa_supplicant file that I've put on the phone. Is there a way for me to access the file system and restore the backup I made? ADB wont detect the phone, but fastboot does :S
Again, help much appreciated!

if you can get into clockwork recovery, you can restore your backup from there , if you made a backup. Myself, i always have at least 3 different roms on phone in case of boot loop, has happen to me before.After you have reflashed clockwork recovery, make sure you reflash root file as well

Related

[Q] SNS Recovery Img

Hello all,
Im trying to flash a new recovery image, but none seem to be working. Im not sure if you're familiar with the file names, but Ive tried "recovery-clockwork-3.0.2.4-crespo.zip" and "3101-orange.img"(j_rodd's modification of koush's). I tried to go to the source but it seems koush's site is down right now.
The phone is unlocked, however when I select recovery from the bootloader the phone shows a package unboxing image and then an android next to an exclamation in a triangle. Regular boot is fine.
Thanks in advance.
you're doing this in bootloader, right?
You have to be in bootloader, open cmd on computer and flash through there.
You can find 3.1.0.1 here http://forum.xda-developers.com/showthread.php?t=988686
outamoney said:
Hello all,
Im trying to flash a new recovery image, but none seem to be working. Im not sure if you're familiar with the file names, but Ive tried "recovery-clockwork-3.0.2.4-crespo.zip" and "3101-orange.img"(j_rodd's modification of koush's). I tried to go to the source but it seems koush's site is down right now.
The phone is unlocked, however when I select recovery from the bootloader the phone shows a package unboxing image and then an android next to an exclamation in a triangle. Regular boot is fine.
Thanks in advance.
Click to expand...
Click to collapse
Are you on stock rom? if yes, then no matter how many times you flash the custom recovery(cwm or jrodd), once you reboot your phone and enter recovery, you'll always end up with stock recovery.( the image you are getting android next to triangle is that of the stock recovery)
what you should do is enter bootloader, fastboot flash ur recovery, and from there (without reboot) enter recovery directly. i would recommend you flash a custom rom.

[Q] Bricked Xoom?

So im running 3.1 rooted with the 1.4.4 Tiamat Kernel. I had this weird force closing issue where gapps would force close whenever i tried to connect to wifi. I powered down, turned on, and am now stuck in a boot animation loop. I can hold down the Vol Down button and it says "Starting Fastboot Protocol Support." but nothing changes. Is there anything I can do it fix it/turn it off until i get home to my computer with the SDK? On another note I did install the wpa supplicant (sp?) files to allow it to connect to an adhoc wifi source (eris tether). Please and thank you
EDIT: I have booted into recovery, but I am unable to mount any of the drive locations or wipe them. I did a factory data reset (as much as it could I guess?), but im still at the boot loop.
Hook it up to computer while its in fastboot and open a command prompt from the folder you have fastboot. Type "fastboot reboot-bootloader" and you should get adb to recognize, then push stock images or root images and recovery.
What recovery were you using? Did you flash the one from ROM manager?
I am using the CM from the ROM manager the latest one I think that it is version 4 something. does this make a difference? I have backups from my previous flash but when I tried to recover it won't take them. where can I get the root image? I might have it already since I rooted using adb, I will have to look on my laptop when I get home. Any other info you have will help. Thank you,,,,
razor532 said:
I am using the CM from the ROM manager the latest one I think that it is version 4 something. does this make a difference? I have backups from my previous flash but when I tried to recover it won't take them. where can I get the root image? I might have it already since I rooted using adb, I will have to look on my laptop when I get home. Any other info you have will help. Thank you,,,,
Click to expand...
Click to collapse
You will need to flash a good recovery, I suggest you you use the .img file in this thread through adb when you get to your laptop:
http://forum.xda-developers.com/showthread.php?t=1074979
The recovery version you updated to won't look at your external sdcard, so you can't flash from it until you re-install a good recovery.
Can't we get a pinned warning about this issue?
Thanks everyone, sorry for the delay. I ended up fixing it with a fastboot oem unlock command. However after countless flashes unable to get it to boot again i realized i was flashing the tiamat rom and then a different tiamat kernel boot.img, most likely the culprit in my boot loop. The minute i did a factory reset, updated cwr and only flashed the rom, everything works fine. Thanks for everyones help
Sent from my Eris using XDA App
So glad you were able to fix it!

[Q] Help! "no boot or recovery img"

I've been trying to flash a new rom, and I can't. Fastboot pops up every time I try to boot recovery saying "No boot or recovery image"
My phone still boots it's rom normally and can connect to the computer via usb just fine, but I've tried flashing several different CWM recoveries and none of them work, it all just gives this same error. I can't re-flash now, and this rom is not working well. What do I do?
iamtheculprit said:
I've been trying to flash a new rom, and I can't. Fastboot pops up every time I try to boot recovery saying "No boot or recovery image"
My phone still boots it's rom normally and can connect to the computer via usb just fine, but I've tried flashing several different CWM recoveries and none of them work, it all just gives this same error. I can't re-flash now, and this rom is not working well. What do I do?
Click to expand...
Click to collapse
are you spelling the name of the recovery correctly? is the recovery file(.img) in the same folder in your computer as fastboot is?
Search "flash image GUI" I think, here on xda, on the thread download the apk, then install on your phone, then go to rom manager the WEBSITE, find a recovery image that corresponds with your phone then download it. Now go to flash image gui and flash the CWR image you just got like 2 or 3 times just so it sticks now see if it works.
Nevermind, as simms said (didn't read properly). You can use the tab key to autofinish the name of the recovery.
Hi guys, I found the problem, but thank you all for your suggestions. the problem was my fastboot was still locked! (I'm not sure how I got this far without unlocking it, but now it's moot) Anyways, it works now, and all is well. Thanks!

[Q] Odd CWM bootloop

Hey guys, I installed CWM on my buddies HTC one S (ville) and I keep getting a weird problem with CWM. I have successfully flashed CM10 multiple times and have made only one back up. Every time his phone dies and he plugs it in and tries to power it on it boots straight to recovery and after you press reboot phone it boots right back to recovery again and again... The only way it fixes itself is when you restore the back up and then it sets him back to that date. I'm wondering if this is a problem with CWM or something else... I'm new to HTC devices because I have always been on the Galaxy line from Samsung so some of this is a little new to me...
Thanks in advance!!
This is a known glitch with CWM. If you plug it in when its off and try to turn it on, it'll automatically Boot into CWM Recovery. I prefer TWRP personally, had too many problems with CWM and getting into the same exact pain-in-the-neck Bootloop as you're referring to.
As far as I am aware, there isn't a way to get out of the CWM Bootloop unless you just let the phone run out of Battery, get into the Bootloader (Which is somewhat of a challenge with the CWM Bootloop), and then flash a different Recovery from Fastboot. Correct me if i'm wrong on there not being any other way around this.
It's happened to me once, I flashed the.stock boot.img and it worked fine.after that. Not sure if its a fix but it got me outta of it.
echo en Android
Thanks guys I think I'll try TWRP but just to check does CM10 work with TWRP and if so how do I flash a new recovery?
yes cm10 worx with twrp. For flashing recovery, download d appropriate recovery.img for ur device. place this in the fastboot folder or the platform-tools folder.
now, boot into bootloader and enter fastboot then connect phone to PC , it should say fastboot USB .
Now open a command window and use this command---
fastboot flash recovery recoveryname.img.
Sent from my One V
mattytom87 said:
Thanks guys I think I'll try TWRP but just to check does CM10 work with TWRP and if so how do I flash a new recovery?
Click to expand...
Click to collapse
Cyanogenmod 10 does indeed work with TWRP as far as I know. Along with mihirengg19's Reply above, there is also an Alternative way to flashing a new Recovery, and that is to use the HTC One S All-In-One Toolkit. Its the easiest/safest way, if you don't know what you're doing.
yes toolkit is great but manually is best...
Sent from my One V

Device stuck in bootloop?

Hi guys,
So this is my first post but I've been on XDA for a long time. I've been looking for an answer to this problem, and I haven't been successful in finding a post that regards to my situation...
Ok so I just got my tablet today. I upgraded to JB and then I unlocked it using the asus unlocker. I attempted to install TWRP, but when I use .blob files and attempt to load into recovery it didn't work. Anyway, I looked around and I installed CWM recovery instead.
I installed v5.5.0.4 following this guide:
http://theunlockr.com/2012/05/25/how-to-install-clockworkmod-recovery-on-asus-transformer-tf300t/
Now, I notice it's written back in may of 2012 aka before jelly bean... anyway so I installed this using fast boot, and booted into recovery and it worked. I believe I installed the ICS version of CWM. I tried to install Clean Rom v3.3 and I just get bootloops. I can still boot into fastboot and clockwork mod fine.
I tried to install v6.0.1.4 via this thread http://forum.xda-developers.com/showthread.php?t=1846554
But once again if I boot into recovery it just does nothing and reboots after a few seconds.
I re-installed v5.5.0.4 and I can wipe data/install everything just as I normally would, and I still have access to Fastboot. Can I get some help on how I can 1 install the correct CWM and 2 install a working rom? I don't think I bricked my device just yet since I can still flash in fastboot etc.
Thanks guys!
You cant't wipe data from bootloader menu, If you do that, you will get unrecoverable brick.
Sorry I believe I mislead you -> I wiped data from within CWM.
Anyway, I used this thread:
http://forum.xda-developers.com/showthread.php?t=1757077
I went back to stock and I think i'll stay there for a little while longer, this process made me nervous (I've rooted my thunderbolt, droid DNA, galaxy tab 2 7" and my friends phones) so anyway I believe I installed the wrong CWM and that caused errors trying to install a JB rom on a ICS CWM... If you have any insight let me know...
undergfx said:
Hi guys,
So this is my first post but I've been on XDA for a long time. I've been looking for an answer to this problem, and I haven't been successful in finding a post that regards to my situation...
Ok so I just got my tablet today. I upgraded to JB and then I unlocked it using the asus unlocker. I attempted to install TWRP, but when I use .blob files and attempt to load into recovery it didn't work. Anyway, I looked around and I installed CWM recovery instead.
I installed v5.5.0.4 following this guide:
http://theunlockr.com/2012/05/25/how-to-install-clockworkmod-recovery-on-asus-transformer-tf300t/
Now, I notice it's written back in may of 2012 aka before jelly bean... anyway so I installed this using fast boot, and booted into recovery and it worked. I believe I installed the ICS version of CWM. I tried to install Clean Rom v3.3 and I just get bootloops. I can still boot into fastboot and clockwork mod fine.
I tried to install v6.0.1.4 via this thread http://forum.xda-developers.com/showthread.php?t=1846554
But once again if I boot into recovery it just does nothing and reboots after a few seconds.
I re-installed v5.5.0.4 and I can wipe data/install everything just as I normally would, and I still have access to Fastboot. Can I get some help on how I can 1 install the correct CWM and 2 install a working rom? I don't think I bricked my device just yet since I can still flash in fastboot etc.
Thanks guys!
Click to expand...
Click to collapse
My suggestion is to flash the latest stock JB blob.
fastboot -i 0x0B05 flash system blob
fastboot -i 0x0B05 reboot
Once you get it sorted then flash the latest twrp for jb.
Now, when I try flashing blobs and I go to boot into RCK (I believe that's the term...) it just reboots the tablet instead of booting into recovery.
Android software is out of my element, if this was some C (somewhat similar to C) or Matlab I would better understand (I'm a senior Mechanical Engineer in college)
Edit:
Ah didn't see your post. I did what you recommended, and actually, while my device said it was on 4.1.1 JB, when I hold pwr/vol down I see a completely different menu now than last time, so I wonder if perhaps my OTA didn't correctly load everything from the firmware update hmm...
undergfx said:
Now, when I try flashing blobs and I go to boot into RCK (I believe that's the term...) it just reboots the tablet instead of booting into recovery.
Android software is out of my element, if this was some C (somewhat similar to C) or Matlab I would better understand (I'm a senior Mechanical Engineer in college)
Click to expand...
Click to collapse
The same way you flashed cwm.
Windows? Start - in search type cmd - press enter
In the cmd window cd to the directory with fastboot.
Hook cable between tablet and usb port on computer.
On tablet hold power and volume down till you see the bootloader menu.
Down volume till you are at the usb symbol - then volume up.
This should put you into fastboot mode - use the commands above.
Wait till the first command completes before you give the second command.
[INDEX][04 Feb 2013]TF300T & TG-INDEX of Roms/Dev Guides/Kernels/Recoveries/etc. You will find the stock firmware here as well as most other needs.
You will have to unzip to get the blob which you should place in the directory with fastboot.
Thank you very much.
So after flashing the most resent blob, I successfully installed CWM recovery and successfully flashed a rom. I'm not sure what the issue was before. Thank you for the help! much appreciated.
undergfx said:
Thank you very much.
So after flashing the most resent blob, I successfully installed CWM recovery and successfully flashed a rom. I'm not sure what the issue was before. Thank you for the help! much appreciated.
Click to expand...
Click to collapse
You're welcome.
Good Luck!

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