Bootloop Help - ONE Q&A, Help & Troubleshooting

Hello guys, I just flashed TRWP on my OPO using cmd prompt. After rebooting, the phone does not boot up. I have an unlocked bootloader if that helps. The phone just does not boot, it stays at the boot logo. Any ideas appreciated. Thanks

What was the command you typed when you "flashed TWRP" using command prompt and in what mode.

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[Q] need help can't reboot into recovery

Hi Desperate for Help
My phone being the n1 I cannot get it to reboot in to recovery. When I try the phone just reboots back to the Fastboot screen with the androids on skateboards. I try'd using the command prompt to reinstall a new recovery but the command prompt wouldn't let me access the AndroidSDK\tools\ folder. Stated couldn't find path file. Need help fast . With any help!!!!!
Thanks,
Philseven

[Q] Samsung Nexus S not booting

Hi I was routing my phone and trying to downgrade the OS. It was already unlocked.
I typed the following command
sudo ./fastboot flash recovery recovery-clockwork-5.0.2.0-crespo.img
it completed successfully. Post which I restarted and wanted to boot into recovery mode. However it got stick in the Google logo and pulled out the battery and tried to restart it. But it will not start.
I tried again and again and there is nothing happening.
What do I do? Please help me.
krish.ubuntu said:
Hi I was routing my phone and trying to downgrade the OS. It was already unlocked.
I typed the following command
sudo ./fastboot flash recovery recovery-clockwork-5.0.2.0-crespo.img
it completed successfully. Post which I restarted and wanted to boot into recovery mode. However it got stick in the Google logo and pulled out the battery and tried to restart it. But it will not start.
I tried again and again and there is nothing happening.
What do I do? Please help me.
Click to expand...
Click to collapse
Will it go into boatloader mode?
Vs Nexus S4G using tapatalk2

[Q] LG P500 stuck in fastboot - "waiting for device"

Hello.
Earlier today I wanted to try a new JB rom to replace ICS so I transfered it into SD card and tried to reboot into recovery.
Instead of getting to recovery, I got stuck in fastboot mode, so I'm assuming recovery has been damaged.
After a whole afternoon of researching this forum I tried for several times this tutorial in order to install a recovery and afterwards a ROM (http://forum.xda-developers.com/showthread.php?t=1088046) and similar ones in both Mac OS X and Windows 7 (tried both USB 2.0 and USB 3.0 so its not a problem from USB) and I didn't succeed at all.
When I am using Windows 7, when I use "fastboot erase recovery", I keep receiving this message "waiting device". If I write "fastboot devices", I don't get results.
When using Mac OS X, I can get via command line to the folder "platform-tools" where fastboot is located but if I write "fastboot erase recovery" or something, it says "command not found". I've read it could be because I have to set fastboot as an environmental variable, but I having trouble setting it (Mac OS Lion).
Thank you so much for reading. Please help me!!! Any clues would be really appreciated!
-----
UPDATE: I finally managed to communicate with the device.
I used the following commands from this tutorial http://androidforums.com/optimus-m-all-things-root/382525-guide-get-out-fastboot-mode-2.html
fastboot erase boot
fastboot erase recovery
fastboot erase system
fastboot flash recovery
The problem is, now I'm stuck at LG Logo, can't access fastboot... Please help, I think it's even worse now.
boot rom, pull out battery and boot normal, it does or not? if it does use terminal emulator or adb push to install custom recovery, adb will work in fastboot if you had checked android debugging
http://forum.xda-developers.com/showthread.php?t=1007244
http://forum.xda-developers.com/showthread.php?t=1146566
grigtm said:
boot rom, pull out battery and boot normal, it does or not? if it does use terminal emulator or adb push to install custom recovery, adb will work in fastboot if you had checked android debugging
http://forum.xda-developers.com/showthread.php?t=1007244
http://forum.xda-developers.com/showthread.php?t=1146566
Click to expand...
Click to collapse
I don't understand what you mean by boot rom. Every time I turn on the phone, (normal or as POWER+HOME+VOL DOWN) it goes into fastboot. When I pull out the battery, and power again it goes again into fastboot...
techdani said:
I don't understand what you mean by boot rom. Every time I turn on the phone, (normal or as POWER+HOME+VOL DOWN) it goes into fastboot. When I pull out the battery, and power again it goes again into fastboot...
Click to expand...
Click to collapse
ok, read here http://forum.xda-developers.com/showthread.php?t=1088046 do exactly what says in this thread

[Q] stuck at motorola logo

Hi! today my xoom froze and when I rebooted it manually it didn´t booted completly it got stuck at the motorola logo, I tried to enter recovery mode but again I got stuck at the unresponsive blue teamwin screen, then I tried to flash the recovery image directly from adb on my pc, but when I typed adb devices it said "device not found" which is weird because I unlocked the bootloader and rooted it using the adb and fastboot commands directly on my computer, so I´m on a dead end. please be so kind to help me, please do.
My xoom is a 604 wifi model (wingray), it´s rooted, omnirom 4.4.4, twrp recovery. my drivers are updated as well as the android sdk tools.
AlexTP said:
Hi! today my xoom froze and when I rebooted it manually it didn´t booted completly it got stuck at the motorola logo, I tried to enter recovery mode but again I got stuck at the unresponsive blue teamwin screen, then I tried to flash the recovery image directly from adb on my pc, but when I typed adb devices it said "device not found" which is weird because I unlocked the bootloader and rooted it using the adb and fastboot commands directly on my computer, so I´m on a dead end. please be so kind to help me, please do.
My xoom is a 604 wifi model (wingray), it´s rooted, omnirom 4.4.4, twrp recovery. my drivers are updated as well as the android sdk tools.
Click to expand...
Click to collapse
Adb only works when booted in android
(Android debugging bridge)
Use fastboot devices when device is in fastboot mode
sent from space

Confused trying to enter bootloader mode on Xperia M2

Hi everyone, I am looking for some help and I will try to be specific. I am trying to root my Xperia M2 (I have unlocked the bootloader).
-USB debugging is ON.
I am trying to boot into my bootloader, flash TWRP, boot into TWRP, install SuperSu.
I am stuck in the step of booting into my bootloader using ADB. I have tried the simple method of running a CMD and using the "adb reboot bootloader" command. CMD responds with "no devices/emulators found".
I tried the "adb reboot bootloader" command while my phone is on fastboot mode and while it's turned on. None seem to work.
What I am expecting is my phone to boot in a screen showing the android logo. Am I wrong?
Other commands I've tried and the response I got:
Adb devices --> List of devices: empty
fastboot devices --> my model and the word "fastboot"
Before you comment "install drivers", please note that I am aware of this, I have searched the web for drivers and I am pretty sure I have the drivers. If you are familiar with the process of installing the drivers please post the way of installing them, because i might have done something wrong..
I believe that what i am doing wrong is having the phone in the wrong state.. I might be executing a command with my phone turned on, while it needs to be off, so if you could clarify the phone's state in every step, that would be great
I apologize if I forgot crucial details, I am a newbie. Thanks in advance, i will make sure to answer every question and provide info needed.
reboot as boot loader
You already have TWRP means 1st go to recovery mod use switch of mobile and on it Press v- button after vibrate and untile come sony big logo you get recovery mod then there is option reboot in to boot loader ... please check
Scrap everything and follow http://forum.xda-developers.com/xperia-m2/general/unlocked-bl-root-sony-xperia-m2-android-t3214498

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