Stuck on Fastboot Mode. - G3 Q&A, Help & Troubleshooting

Ugh I'm an idiot and softbricked my phone. It won't go into recovery anymore. The following happens. Boots to LG Screen then immediately gives me [4740] Fastboot mode started.
Any Help would be GREATLY appreciated.

I followed the purple drake instructions word for word and km getting the same thing. Tmobile version here.

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Really Need help guys!!!!!!! stuck at bootloader image.

i rooted and s-offed my phone successfully a couple months back. ive been using cynagen mod 7. Today when i rebooted my phone, It wasnt successfully booting anymore, there was a boot animation loop. so i decided to go to recovery. i can go into hboot but when i select recovery it shows my splash screen and nothing else. im a noob when it comes to my phone so please help me!
Broken recovery?
Reflash your recovery in fastboot and try again
hi,
try some fastboot command once plug to Ur comp. like fastboot devices.
if right answer (serial number phone) could tell that it s just software failure and not hardware...
hope for you it s only software issue
thanks guys i fixed it by fastboot by reflashing it!!!!!

VZW Galaxy Nexus goes black after the Google logo

Hi,
I have a really tough problem with my Verizon Galaxy Nexus. After I boot it up it shows the Google logo and then the screen goes black. It is still on because I have left it there hoping it would pass this screen but the battery died eventually. If I put the phone into a computer I get the charging screen and it will charge. I can get into fastboot mode. I have tried unlocking the device so I could flash a new ROM but as soon as I use the Gnex toolkit to unlock it, the fastboot mode reboots and it is locked again. When the device is plugged into the computer in fastboot mode Windows is constantly giving the noise that something is plugged in than unplugged then plugged in, on and on and on. I have put it in Odin mode and flashing the 4.04 image ROM looked like it worked but still after the phone reboots it just shows the Google Logo and then goes black. I have gotten into the stock recovery and wiped data and cache and that did not help either. Any help would be appreciated!
Nick
PS
http://androidforums.com/android-sy...e-how-flash-nexus-factory-image-manually.html
I followed that and afterwards my screen still comes up black after the Google logo.
I just tried to install TWRP recovery to see if that would help. I went through all of the fastboot commands and they said they completed successfully. When the phone rebooted the stock android recovery was still on the device... so for some reason this phone is taking the commands and they are getting returned as successful but they are not successful... super strange.
Sorry I can't help you but I've read several reports (forum posts) about Galaxy Nexus devices becoming "read only". I think the eMMC got bricked and can't be fixed.
My Gnexi said:
Sorry I can't help you but I've read several reports (forum posts) about Galaxy Nexus devices becoming "read only". I think the eMMC got bricked and can't be fixed.
Click to expand...
Click to collapse
Correct, seems highly likely his eMMC deep fried. If unlocking bootloader doesn't even work, I would try nothing else and get its mainboard replaced.
Thanks. Now that I know, I can stop wasting my time trying to fix this.

I tried to ROOT and now phone wont boot up. Did I brick?

I tried the second method from this link ( http://forum.xda-developers.com/lg-g3/general/guide-root-method-lg-devices-t3129197 ) with a tmobile lg g3 on 5.0.1 non rooted. Followed the steps and and everything worked good. final step was to reboot the phone and now my phone is not booting up. I am just stuck at the LG life is good screen and it flickers and fades to black. please help. I don't know what to do.
When i try to get into download I get that little box that say download mode but then after that it is just a blank screen. Please HELP
I was able to restore 20G back in my G3. But now the screen goes black within a few seconds. But the buttons still work with the black screen. I think I am still soft bricked. I am not sure though. Any help or advice?
Bricked LG G3
Is your device rooted? Can you open TWRP? If you have TWRP you can go in and install a custom rom.

Help me get out of this bootloop!

Hey guys,
Don't usually have to post but after searching all day I can't find a way out of this loop. My 10 is currently flashing the white HTC splash and rebooting endlessly. That's no big deal, but I ALSO have no recovery or download mode access.
The ONLY thing I can do to interrupt the loop is access fastboot by holding Vol UP + Vol Down on restart. Unfortunately trying to "reboot to recovery" only flashes the dark HTC Logo then immediately restarts to the original bootloop. Attempting to "reboot to download mode" simply resumes the boot loop.
The device is recognized in fastboot on my PC but unfortunately I cannot flash or erase anything because I'm in S-ON, so practically none of the fastboot commands work. I have been using TWRP recovery and Viper10 Rom.
Any help getting out of this loop is greatly appreciated. I was going to give up and pay the deductible and replace it, until I found out that the phone is backordered until October and my alternative is an LG, which I can't stand.
S O S!
Currently experiencing the exact same thing myself:
http://forum.xda-developers.com/htc-10/help/htc-10-bootlooping-t3441710
Valandil11 said:
Currently experiencing the exact same thing myself:
http://forum.xda-developers.com/htc-10/help/htc-10-bootlooping-t3441710
Click to expand...
Click to collapse
The only difference being that I let mine loop for a solid hour and it didn't successfully boot at all. In the past I was having issues sometimes when I restarted, but I would just create a backup and restore from it and it would work, which made me think the boot file was just either corrupt or non existent. I've never been locked out of recovery AND download mode, however.

[Help] Possibly Bricked LG G3 D855

My LG G3 is and international D855 and is unable to enter recovery, with the phone going black after the twrp logo shows for a few seconds. The phone has no OS installed because I was going to flash a custom rom so there are only bootloops when booting up the phone. Entering download mode is not any good either because a message appears saying secure boot error and the phone goes black with only the LED flashing Red and Blue, I tried going back to stock with fastboot but in the process I lost the ability to enter fastboot, is there any hope
I'm hoping somebody can help and I would be extremely greatful, Cheers
If you can't access Download mode or fastboot mode.you have to do this as in thread.
http://forum.xda-developers.com/sprint-lg-g3/general/guide-fix-hard-brick-recovery-guide-t3132359

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