[Q] nexus 5 bootloop and can't use fastboot - Android Q&A, Help & Troubleshooting

hi my nexus 5 is stuck in bootloop ( turning on and off by itself and can't get past the google icon) and i can't access the bootloader for a reset. can anyone help me please?
pretty much all system reset/ factory image guides require me to access the bootloader but the problem is that the phone won't stay in the bootloader because of the bootloop, it turns off as soon as i get into the bootloader.
HELP PLEASE???

nxus5user said:
hi my nexus 5 is stuck in bootloop ( turning on and off by itself and can't get past the google icon) and i can't access the bootloader for a reset. can anyone help me please?
pretty much all system reset/ factory image guides require me to access the bootloader but the problem is that the phone won't stay in the bootloader because of the bootloop, it turns off as soon as i get into the bootloader.
HELP PLEASE???
Click to expand...
Click to collapse
Hi, have you found a solution?
I have here the same problem
Thanks

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Still nothing?
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OTA android M upgrade = Nexus 9 soft-bricked

Hi all,
I waited for the official android M release and apply it kindly only when proposed on my Nexus 9 (OTA upgrade).
At reboot, the upgrade wasnt succelfull and my tablet begin to boot loop with the error logo, so I decided to go enter in fastboot and factory reset it.
It clear all datas, display android 5 logo at boot but now :
- I cant reach fastboot anymore
- my Nexus boots well (no more loops) but cant load any google app, so it is looping errors messages like : "Unfortunately, Google {choose a gg app here : settings, play, map, etc... } has stopped". The upper bar displays well the hour and battery gauge, but I cant do anything.
It looks soft-bricked but I've no idea what to do to cure this damn tablet. Do someone get that problem or have a solution in mind ?
Thanks !
aiveure said:
Hi all,
I waited for the official android M release and apply it kindly only when proposed on my Nexus 9 (OTA upgrade).
At reboot, the upgrade wasnt succelfull and my tablet begin to boot loop with the error logo, so I decided to go enter in fastboot and factory reset it.
It clear all datas, display android 5 logo at boot but now :
- I cant reach fastboot anymore
- my Nexus boots well (no more loops) but cant load any google app, so it is looping errors messages like : "Unfortunately, Google {choose a gg app here : settings, play, map, etc... } has stopped". The upper bar displays well the hour and battery gauge, but I cant do anything.
It looks soft-bricked but I've no idea what to do to cure this damn tablet. Do someone get that problem or have a solution in mind ?
Thanks !
Click to expand...
Click to collapse
You might try wugfresh's unbrick routine. Good luck.
Try this solution here:
http://forum.xda-developers.com/showthread.php?p=63333315
Sent from my Nexus 9
Thank you both for your replies.
enriquejones666 said:
Try this solution here:
http://forum.xda-developers.com/showthread.php?p=63333315
Click to expand...
Click to collapse
We had the same upgrade issue but unfortunatly I can't reach the boot loader (by pressing power+vol down), so this solution can't fix my problem.
edit : erratum, I can reach HBOOT so I'll test his procedure
jhom52 said:
You might try wugfresh's unbrick routine. Good luck.
Click to expand...
Click to collapse
Thanks, I will try that tool I didn't know.
fixed !
So I followed dsclee1's procedure and it works great for my Nexus 9 !
Thanks for helping guys !

Phone won't boot after updating SuperSU

I need help immediately cause I am paniking. So I rooted my phone using the KingRoot application, and after the root was succesful used SuperSu-Me to remove KingRoot. SuperSu-Me installed SuperSU on my device which in turn had to install an update, so I let it do its thing. After the update was installed SuperSU prompted me to reboot my phone so i did. Problem is the phone has been stuck for about half an hour in the shifting shapes screen, fastboot doesn't work. I have tried hard reseting it but the problem persists.
JimmyTsiakalos said:
I need help immediately cause I am paniking. So I rooted my phone using the KingRoot application, and after the root was succesful used SuperSu-Me to remove KingRoot. SuperSu-Me installed SuperSU on my device which in turn had to install an update, so I let it do its thing. After the update was installed SuperSU prompted me to reboot my phone so i did. Problem is the phone has been stuck for about half an hour in the shifting shapes screen, fastboot doesn't work. I have tried hard reseting it but the problem persists.
Click to expand...
Click to collapse
Kingroot is not good afaik. Follow this guide to root or unlock.
http://forum.xda-developers.com/oneplus-x/general/discussion-how-to-root-oneplus-x-t3242830/page1
JimmyTsiakalos said:
I need help immediately cause I am paniking. So I rooted my phone using the KingRoot application, and after the root was succesful used SuperSu-Me to remove KingRoot. SuperSu-Me installed SuperSU on my device which in turn had to install an update, so I let it do its thing. After the update was installed SuperSU prompted me to reboot my phone so i did. Problem is the phone has been stuck for about half an hour in the shifting shapes screen, fastboot doesn't work. I have tried hard reseting it but the problem persists.
Click to expand...
Click to collapse
Found a solution?
My solution
I fixed it by unlocking the bootloader in fastboot mode, flashing TWRP and using it to flash the original version of the oxygen os, the one that came preloaded with the phone.
Please help me too I'm literally panicking this is my one and only device and it happened just like exactly yours. After supersume asked to reboot my phone now it is stuck on the phone logo screen. Help me pleaaase (( My phone is very important to me. I've been searching for forums and I only found yours that had the same problem with me. By now it's about 1hr just stuck in there ( please help me im begging you!
Yobel14 said:
Please help me too I'm literally panicking this is my one and only device and it happened just like exactly yours. After supersume asked to reboot my phone now it is stuck on the phone logo screen. Help me pleaaase (( My phone is very important to me. I've been searching for forums and I only found yours that had the same problem with me. By now it's about 1hr just stuck in there ( please help me im begging you!
Click to expand...
Click to collapse
Does your recovery work? And also, which recovery do you have?
aamodjoshi23 said:
Does your recovery work? And also, which recovery do you have?
Click to expand...
Click to collapse
Thank you for replying. I'm sorry I don't know what a recovery is. My phone is Starmobile Knight luxe lollipop 5.1 . Help I cant afford to buy a new one What would I do in this situation . I'm thinking of removing the battery then putting back it again. It won't even turn off just stucked on the logo.
JimmyTsiakalos said:
I fixed it by unlocking the bootloader in fastboot mode, flashing TWRP and using it to flash the original version of the oxygen os, the one that came preloaded with the phone.
Click to expand...
Click to collapse
can you please tell me how to flash twrp recovery on pc? mine says partition "recovery" does not support. basically it fails
Yobel14 said:
Thank you for replying. I'm sorry I don't know what a recovery is. My phone is Starmobile Knight luxe lollipop 5.1 . Help I cant afford to buy a new one What would I do in this situation . I'm thinking of removing the battery then putting back it again. It won't even turn off just stucked on the logo.
Click to expand...
Click to collapse
First, please don't follow instructions you're finding on this specific forum since it's for the OnePlus X, not the Starmobile. Secondly you needed to unlock your bootloader first, since you didn't from the sounds of it you can't boot into Android since it's now tampered. You'll need to boot into recovery, usually by pressing Power + Volume Down until it loads and factory reset your device.
Yobel14 said:
Thank you for replying. I'm sorry I don't know what a recovery is. My phone is Starmobile Knight luxe lollipop 5.1 . Help I cant afford to buy a new one What would I do in this situation . I'm thinking of removing the battery then putting back it again. It won't even turn off just stucked on the logo.
Click to expand...
Click to collapse
Try to find out your solution in your device's forums, since this forums is for the OnePlus X and not the Starmobile Knight Luxe.
If your device is stuck on the bootup screen, you need to go to fastboot mode, unlock the bootloader (if you haven't), flash a custom recovery, boot into the recovery, and factory reset the device. It should work.
Guys!!! Thank you for all your suggestions. I did flash a custom recovery but it fails simultaneously. I just let it fix on a local phone repair shop just paid a few bucks

Asus TF103CG stuck in boot loop defect recovery partion.

Hi i have a problem i cant solve and hope some of your experts can help me. i got a Asus Transformer pad TG103CG. It wont start just goes in a boot loop, and hard recovery is not possible because its corupt. it dont show up as a device when i connect it to my computer. What i have tried is easyflash and ghostdriver with asus original stock firmware, but it wont work. i would like to ha have cyanogenmod on it but it i cant find it for my model. Anyway i just wont it to work again any kind of stock i ok. Can someone please help me
Try to factory reset from recovery then flash stock rom
messi2050 said:
Try to factory reset from recovery then flash stock rom
Click to expand...
Click to collapse
Hi i cant do a hard recovery because the partion seems corrupt i got a error messages after a few seconds.
Best regards Lars

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