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OK, as promised I wanted to write up more detailed steps on how I unbricked my OPO. First, thanks to all who contributed, found the needed files and solution.

The solution is in fact to download Color.zip.
After downloading, unzip the archive.

Next, Windows drivers. If you're like me you've already tried different drivers, including Qualcomm USB drivers for 9006 and 9008. My best advice is to uninstall the drivers you tried. Go to Device Manager, right click on the bricked USB device (QHSUSB_BULK or Qualcomm HS-USB QDLoader 9008) and go to Properties, click on Driver, then select Uninstall. Check the box to remove driver files, if prompted. Then, go to the extracted Color.zip folder and find Driver.iso. Extract Driver.iso. Inside the extracted folder find Setup.exe. Run Setup.exe to install the drivers. The installer is Chinese, but all you need to do is click through.

Second note about drivers if that I had the worst time trying to get things to work on my Windows 7 computers. Both Windows 7 and 8 block unsigned driver installations. I've tried overwriting these settings and spent half a day messing with it, and I never go the next steps to work properly. I ended up trying installing the drivers from Setup.exe and the following steps on my Windows 2003 server and things worked properly first time. I am not saying that you won't get this to work on Window 7 or 8, but if you're having troubles try Windows XP, that might make a difference.

Anyway, once you have the drivers straightened out, connect your phone to the computer, start it up by holding VolUp + Power to about 10 seconds, and let the computer do its thing. Don't install drivers if they are not installed by itself. Instead launch Msm8974DownloadTool.exe. It will scan all the COM ports and find the phone. That's the one line that looks different in the list. The list is just a list of your com devices. If you unplug the phone and move it to another port, or computer, it will show your bricked phone on a different line. There is no reason to click in or select at lines, the program knows where the phone is.

Clicking on „Enum“ just rescans the busses. Clicking the big square button in upper right corner scans the phone and reports what's good and what's not. It takes a minute for the scan to finish.

If you don't see your devices, try unplugging/plugging in your phone a couple times, and rebooting it with VolUP + Power (hold 10 seconds). You will see it in Device Manager as well.

Anyway, once you see the phone in the list, click Start. You should see the programs starts writing different files to the phone. Each time it writes a file you'll see a progress bar. Once this is going you know you will be good to go… After all files are written, the line with your device will turn green. You're good, unplug and reboot your phone to ColorOS.

If there is a problems flashing the device, the line will turn Red. That's what I was getting on my Windows 7 after like 3 seconds after clicking Start. After moving to Windows 2003, everything worked like a charm.

Once you're on ColorOS and want to go to Cyanogenmod 11S, you have a few options. The easiest way if to use a toolkit from XDA, or you can download an image manually from: XDA and run the following commands in fastboot mode:

fastboot flash boot boot.img
fastboot flash userdata userdata.img
fastboot flash system system.img
fastboot flash recovery recovery.img
fastboot flash cache cache.img
fastboot flash modem NON-HLOS.bin
fastboot flash sbl1 sbl1.mbn
fastboot flash dbi sdi.mbn
fastboot flash aboot emmc_appsboot.mbn
fastboot flash rpm rpm.mbn
fastboot flash tz tz.mbn
fastboot flash LOGO logo.bin

Make sure you have the proper image. I accidentally installed the 16GB version on my 64GB OPO first time and obviously didn't get 64GB of space.

That's about it. I think if people are still having problems then it's likely due to drivers, or Windows 7/8 issue. If you're still getting stuck, let me know, I'll see if I can help.
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Enjoy Guys…
source oneplus.net forum