[General Questions and Answers] Barthd2:
Recovery + Root My experience

Hello... I got my BLU Quattro 4.5 (D440) a while back, didn't fuzz with it much right off. The Stock ROM was sluggish at best thought there was even an issue with the Digitizer/screen. But this thread was extremely helpful. I am now running Shendu ROM 4.1.2 one of the suggested ROM's above. I tried the other 2 first and they were mostly in Chineese and I had an especially hard time getting them switched over to English. Either way onward to the point. I have put together a few helpful tips-tricks for my experience with this phone and its phoenix transition to an awesome handset. Thats right now this is my daily driver and I love it! See below hope its helpful.

BLU Quattro 4.5 (440D) GSM Recovery+Root

These steps for this phone only!! Not responsible for any issues.

1. download ROM's, Recovery, & Driver from XDA (this thread)

http://xdaforums.com/showthread.php?t=2327417

2. Enable USB Debugging! Go into Apps-Settings-DevOptions - Check box for USB Debug

3. Have original USB cord if handy! I tried with a Samsung OEM cable but no luck getting drivers to stick. Use original is best. (If you have one.)

Plug in USB Cord to PC then Phone and see if windows detects drivers. let it. It wont get the ones u need later, but what it does find is for USB storage. (you can move over your ROM's/Gapps to storage, downloads folder is a good spot).

4. Go to... http://junefabrics.com/android/downloadold.php to get pdanet software. Install it and it will give i the right drivers for ADB support. I used 4.01 to match the android version currently on my phone.

5. Extract the Driver provided from XDA. Put it in a folder

with the ADB commands

. Or you can get it all here... http://downloadandroidrom.com/file/GalaxyNexus/rooting/GalaxyNexusRootNew.zipn <-- I know this isn't for BLU but, if you extract this to a folder, and also add the drivers extracted to it as well this works! I've done it.

6. Extract the English Recovery to the same folder.

7. Turn off your phone. Hold down Vol up and Power button for about 5-9 seconds. Once you see a green screen let go of both. Screen may flicker then go black but the icons at the bottom will stay lit. You are now in APX mode (nvflash) mode. (as stated above in original post)

8. Check your Win 7 PC device manager. For a Phone device with ADB. If you you may need to update driver with the one that came from XDA, but the PDANet software should make it work.

8. Go to the folder and find Recovery.bat file (may have Chinese in file name. Double click and a command prompt window will pop up with a bunch of unknown characters, wait 5 sec then hit enter. The batch file should take of pushing the necessary recovery through ADB to the phone. It will error if it can't.

9. If completes OK. Push power for 7-9 seconds to power off the phone. Hit power like normal to turn it back on. It will boot up like normal (or it should).

10. USB is still connected this whole time and you can open a command prompt window. Navigate to the folder you placed the Recovery into. Something like user/username/desktop/BLU/recovery..etc)

Type ADB devices....it should show you that is is connected to your device. Then type " adb reboot recovery " and the device should reboot, give it some time.

11. Once in recovery. Best to do a backup of the original ROM & system. that way you can get back into recovery if anything goes wrong and wipe out the problem by restoring and starting again.

After you backup === you can get into recovery without the command being typed in or even being connected to your PC.... By holding Vol up + Power till you see the green screen then let go of power but keep holding Vol up till you see the BLU Products boot screen then let go ===

Clockworkmod Recovery should be on your screen.

you can reboot phone now and get back to original with no changes. Or you can venture into the world of loading ROM's (There in your downloads folder if you saved them in Step 3)

ROM 101

BACKUP-BACKUP-BACKUP 1st thing once in Recovery ...can't stress enough how much of trouble you can keep yourself out of by keeping an original backup.

As I stated before the Shendu ROM + Gapps is running smooth and all features I've been trying are working flawlessly!! Thanks to original post for getting me going. Just thought I'd add my 2 Cents.