Hello all,
I have downloaded CM 12.1(Lollipop 5.1 09-10-2015) to install. Then I tried recovery mode, got secure boot error. I don't remember the page, but from here in xda, I found some solution, which I entered some codes to code terminal involving aboot.img. Somehow it worked and I used TWRP to install CM 12.1. It works fine.
Then I wanted to go back to stock, downloaded LGFlashTool. Problem starts here. When I tried to enter download mode(volume up) it installed the driver to pc. Then my phone went to download mode, but on top of the screen there was "Secure boot error" message. I looked into driver installing at first and it was qhsusb_bulk.
I have searched on xda and over the internet then, but I didn't find a solution. All the solutions for completely gone G3s.
To sum up, my problem is I can't go back to stock ROM because of the secure boot error in download mode. TWRP recovery works, I can use my phone with CM 12.1 Nightlies Android 5.1 but I can't go back to stock ROM since download mode is not working(secure boot error). I have .kdz file, and now downloading 2.1 GB tot file(not sure where to use). I also have bootdiag, which may be a solution.
I really want to fix it and go back to stock. Any help appreciated.
Thanks in advance!
I have downloaded CM 12.1(Lollipop 5.1 09-10-2015) to install. Then I tried recovery mode, got secure boot error. I don't remember the page, but from here in xda, I found some solution, which I entered some codes to code terminal involving aboot.img. Somehow it worked and I used TWRP to install CM 12.1. It works fine.
Then I wanted to go back to stock, downloaded LGFlashTool. Problem starts here. When I tried to enter download mode(volume up) it installed the driver to pc. Then my phone went to download mode, but on top of the screen there was "Secure boot error" message. I looked into driver installing at first and it was qhsusb_bulk.
I have searched on xda and over the internet then, but I didn't find a solution. All the solutions for completely gone G3s.
To sum up, my problem is I can't go back to stock ROM because of the secure boot error in download mode. TWRP recovery works, I can use my phone with CM 12.1 Nightlies Android 5.1 but I can't go back to stock ROM since download mode is not working(secure boot error). I have .kdz file, and now downloading 2.1 GB tot file(not sure where to use). I also have bootdiag, which may be a solution.
I really want to fix it and go back to stock. Any help appreciated.
Thanks in advance!
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