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Bricked my nexus 5 bootloader..

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By erto90, Senior Member on 7th June 2014, 01:22 PM
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Hello guys
A friend of mine was flashing some roms to try and when tried purity, the phone went inot a black dead screen
Recovery was working,but bootloader gave only black screen and no fastboot commands were working/accepted

THe, maybe for miracle, after reflash a cyanogen rom, the rom has booted and is working.. but sstill no bootloader

He was on stock 4.4.3 before the flashes

Someone can provide me a solution to restore the bootloader or,at least, fastboot commands??
He use TWRP recovery

thanks
Last edited by erto90; 7th June 2014 at 01:24 PM.
 
 
7th June 2014, 02:22 PM |#2  
opssemnik's Avatar
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bootloader its there , since its the one who starts the kernel/recovery,its more low level than kernel, it controls the buttons etc... .
for some reason its failing to boot into fastboot mode, try using adb reboot bootloader (looks weird to do, but on early nexus 7 2k12 bootloader there was some problems that doing this would do the trick, also do it while system is running or in recovery), if still goes black screen, re flash bootloader using dd comands in the recovery(there is a thread to fix no bootloader things, look at it)
7th June 2014, 02:37 PM |#3  
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I don't know if it is the case. But it could help you...

http://forum.xda-developers.com/goog...es-lg-t2713833
7th June 2014, 02:42 PM |#4  
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Quote:
Originally Posted by erto90

Hello guys
A friend of mine was flashing some roms to try and when tried purity, the phone went inot a black dead screen
Recovery was working,but bootloader gave only black screen and no fastboot commands were working/accepted

THe, maybe for miracle, after reflash a cyanogen rom, the rom has booted and is working.. but sstill no bootloader

He was on stock 4.4.3 before the flashes

Someone can provide me a solution to restore the bootloader or,at least, fastboot commands??
He use TWRP recovery

thanks

If the rom was not working and the bootloader just showed black screen and didnt accept fasboot commands, then how on earth you entered recovery to flash cm11?

Because there is only 2 ways to enter recovery:

1: From bootloader you select "reboot recovery"
2: you have a working android and and do the adb reboot recovery command.

Can you tell me how you enter to bootloader? If you press all the buttoms when the phone is on state then the phone goes to qualcomm's download mode, and show a black screen. If you were doing that then now try to press only the volume_down and power buttoms to enter bootloader mode (or fastboot mode)

Tapatalk-kal küldve az én Nexus 5-el
7th June 2014, 03:34 PM |#5  
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Quote:
Originally Posted by bitdomo

If the rom was not working and the bootloader just showed black screen and didnt accept fasboot commands, then how on earth you entered recovery to flash cm11?

Because there is only 2 ways to enter recovery:

1: From bootloader you select "reboot recovery"
2: you have a working android and and do the adb reboot recovery command.

Yeah... I want answers.
7th June 2014, 04:16 PM |#6  
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Quote:
Originally Posted by DVTeixeira

Yeah... I want answers.

But I need answers first

Tapatalk-kal küldve az én Nexus 5-el
7th June 2014, 05:50 PM |#7  
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This is the tread
that opssemnik mentioned http://forum.xda-developers.com/goog...loder-t2763370
it could help.
7th June 2014, 08:40 PM |#8  
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Extract the bootloader file from the factory image and flash it using the secondary bootloader (volume up and down + power).
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