Database Users

Lumia 520 bricked, black screen, no vibration...stuck at Flash Bootloader!!

I followed this link to get my phone back to life... http://forum.xda-developers.com/windows-phone-8/development/help-programmer-unbrick-jtag-t3082592
but phone screen is not turning green..what to do next?
Screenshot is attached....
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http://postimg.org/image/pp0059i59/

i need help "Dead Brick" Z00UD help me pls

i follow this http://www.osbusters.net/2015/11/how-to-port-miui-7-rom-to-qualcomm-smartphones.html
can't enter fastboot mode
can't enter recovery
i try connect to pc but
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Service centre is your last option

Tablet Yoga Tab 3 X50F does not pass the logo

Try to install a firmware with qfil the process finishes successfully but at the time of lighting it remains in the logo; I enter when recovering stock and it shows me this error.
Some solution or is a brick?
From already thank you very much
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Could you help me, how to remove this screen?

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I cant format, acces to recovery.
Only to fasboot (mine is locked i cant unlock) and to download mode.

error message when booting phone

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i just want to recover the files, since the battery is dead, tried to boot in safe mode but i cannot manage to do it
any help will be welcome