lundi 17 août 2015

BRICKED tablet, completely dead 9" DMTECH 9458DCB



My tablet got stuck on the boot screen (a 'bootloop') and so I downloaded the Swedish instructions, tools and firmware image files from the manufacturer's website. I installed the driver on my laptop, connected the tablet, flashed the latest firmware and got it working. Annoyingly, the Chrome browser would not work whatever I did, and eventually I tried to flash an older firmware image onto the tablet. This killed it completely. The screen shows nothing at all; you can just about tell that the backlight has come on due to a dim glow, but the screen is still blank.
The worst thing is that the laptop no longer detects that the tablet is connected to it. It does not even report it as an unknown device. This is what really worries me.
I've read other threads on this forum where Flashtools is advised for bricked phones, but will this work with a tablet where the computer cannot even detect the device is attached?
Any help will be much appreciated many thanks.



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