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Root Don't be as dumb as I was...soft-bricked with no ideas anymore

nthaniel

nthaniel

Member
I don't know what possessed me to do it this way, but I decided to flash the system.img on my Quattro. In itself, maybe not too bad an idea, but I did it in a very bad way, which is why I haven't mentioned it before. I felt too stupid to talk about it.

I flashed the image while the phone was on. Yeah, not good. Now it sticks at the splash, and, while it will enter the calibration screen, the enter via usb screen, and recovery screen, I can't get my computer to detect the phone in the correct manner.

So yeah, don't be dumb like I was!
 
I am able to get the phone into CDMA update mode where it says ====Enter VIA USB==== on the screen. It only installed 3 out of 6 of the drivers though
 
i had used adb and copied the system.img recovery.img and boot.img over to /data/local directory for recovery and boot, and then copied the system.img to my /sdcard. i mounted the system as rw and then from a shell ran:

/system/bin/flash_image system /sdcard/system.img

once i did that i rebooted, and i can still get into recovery and the VIA USB modem mode, but don't have anything to flash with. Just for giggles I tried extracting the system.img to a zip and signed the zip myself, but obviously I don't have the same certificate and key they use over at yulong. I got the drivers installed for the VIA USB as well, even though they weren't available online almost everywhere. any ideas you might have on how to extract the system.img into a signed update.zip by possbily extracting the same encrypted hex off the binary on the two update.zip's we have? i've done hex replacement programmatically of RC4 encryption, but don't know what SignAPK has going on up in its JAR.
 
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