So I'm an argentinian guy that had just bought a LG D-805 device and was so in love with his phone that now, I'm desesperated.
I installed CM 12.1 (NIGHTLY) a few days ago, didn't like it, so downloaded a ROM of "OFFICIAL" 4.4.2 Android for my LG device.
Couldn't install it properly, so I tried re-installing CM 12.1 form my custom recovery (The Win Recovery project v2.7.0).
It seemed to have been installed successfully, as the recovery software was telling me "CM 12.1 was successfully installed".
Then, without giving recovery permissions to root my phone, i tapped on "Reboot System".
What happened next is something unknown for me.
I'm not able to enter recovery mode, emergency (download) mode, fastboot mode, etc. and the screen doesn't even turn on ('cause sometimes it's on but not showing anithing, but in this case, it´s not turning on).
I did research and found out something about QUALCOMM QHSUSB_BULK. What I found out was that, if my PC detects many disks from an unknown device, I could execute some CMD files to get download mode back and if I had download mode back, I could re-install Android.
As I am not a lucky person, my PC detects the qhsusb_bulk device, but does NOT show any disk or partition; it does NOT ask me for formatting anything. I tried installing QUALCOMM DRIVERS, but it's still the same.
I start to think it's a motherboard problem, that I'll have to replace it, but don't know if there is another easier (and cheaper) way to have my phone back.
Any suggestions?
I installed CM 12.1 (NIGHTLY) a few days ago, didn't like it, so downloaded a ROM of "OFFICIAL" 4.4.2 Android for my LG device.
Couldn't install it properly, so I tried re-installing CM 12.1 form my custom recovery (The Win Recovery project v2.7.0).
It seemed to have been installed successfully, as the recovery software was telling me "CM 12.1 was successfully installed".
Then, without giving recovery permissions to root my phone, i tapped on "Reboot System".
What happened next is something unknown for me.
I'm not able to enter recovery mode, emergency (download) mode, fastboot mode, etc. and the screen doesn't even turn on ('cause sometimes it's on but not showing anithing, but in this case, it´s not turning on).
I did research and found out something about QUALCOMM QHSUSB_BULK. What I found out was that, if my PC detects many disks from an unknown device, I could execute some CMD files to get download mode back and if I had download mode back, I could re-install Android.
As I am not a lucky person, my PC detects the qhsusb_bulk device, but does NOT show any disk or partition; it does NOT ask me for formatting anything. I tried installing QUALCOMM DRIVERS, but it's still the same.
I start to think it's a motherboard problem, that I'll have to replace it, but don't know if there is another easier (and cheaper) way to have my phone back.
Any suggestions?
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