Monday, 11 July 2016

P760 Bricked, Black screen/No output, ONLY FASTBOOT



Hi everyone,

My dad's friend has a problem with his phone and dad asked me if I can help him. Right now I only know that he had "LG Security Error". However when I got the phone it didn't react on anything, so I'm unable to turn it on or charge a battery (I have also a second battery, neither of them works). When I plugged it to a PC it showed "OMAP4430". I've never had experience with LG before (only Xperia phones), but after searching I found this (2n option), which didn't work with my device, but this (1st option) worked flawlessly. I managed to get into FASTBOOT mode (phone is listed with "fastboot devices", ADB not) - OMAP FASTBOOT DEVICE. I noticed that it disconnects itself after 1-2 minutes and the proccess needs to be repeated. The phone still isn't showing anything on screen. After few hours of searching I didn't find anything, except that after doing procedure with Vol+ button entered, Windows recognized my phone (I could get only twice and the screen was still blank):

Code:


LGE Mobile Composite USB Device
LGE Mobile USB Serial Port (COM9)
LGE Mobile USB Modem


LGMobile Support Tool was doing something, but in the end it didn't detect anything, also I checked out LG Flash Tool 2014, phone information showed that it was in emergency mode. Screenshots

At this point I'm guessing that the phone is hard bricked as it couldn't go to S/W mode, download mode or show anything on screen etc. I haven't found any tut about unbricking in fastboot. Is there anything I can to at this stage?

Thank you in advance!



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