How to Root/Downgrade/install CWM recovery in the Marquee (LS855) running the ZVC update on Sprint

With the the recent ZVC update, Sprint broke root for all the people who updated the Marquee – this post should remedy that by flashing a prerooted ZVC , enabling users to have the latest update from Sprint but with root access. Keep rding to know how.By EditAndroidI. Before You Begin1. Back up your data as you will lose data since we will be downgrading the OS to (ZV9) to a lower version in order to root it. The best way to back up your data is to sync with your Google account (for contacts), copy all important media to your PC and use a third-party app likeSMS Backup+to back up your call log and texts.2. Make sure you have all the necessary drivers installed before you proceed. If in doubt, download the driver provided in the next section.II. Necessary Downloads1.LS855ZV9_11.S9_00.P60680.kdz .2._KDZ_FW-Update_OfflineFix.zip.3. LS855 Sprint Driver.4.Marquee_CWM.zip.5.Prerooted stock ZVC .6._Marquee.zip.III. Downgrading to ZV91. On the Marquee, go toSettings > Connectivityand uncheck the ‘Ask on Plug in‘ box and set the default connection mode to ‘Charge Only‘.2. Go toSettings > Appliions > Developmentand check the ‘Enable USB Debugging’ tickbox.3. Extract the_KDZ_FW-Update_OfflineFix.zipfile you downloaded above to a folder on your desktop.4. From the extracted folder, run Enabler.exe(should be present in theKDZ_FW_UPD_ENfolder).5. From the sameKDZ_FW_UPD_ENfolder, runKDZ_FW_UPD.exe. This will open up the Software Update Tool (’s equivalent to ’s Odin). Lve the default settings unchanged (Type – MA | PhoneMode – DIAG)6. In the KDZ file section, click on the browse icon and loe the LS855ZV9_11.S9_00.P60680.kdz file you downloaded above.7. Power off your device and then connect it to your computer.8. Click on ‘Launch Software Update‘ button. As soon as you click on this button, count to 12 and then power on the phone. If you miss it, restart the device and try again.Your phone should reboot and once it does so, you should have the ZV9 update installed.IV. Rooting the Marquee1. Extract the_Marquee.zipyou downloaded above to a folder on your desktop.2. Make sure that you have set the default connection mode to Charge Only and you have enabled USB Debugging as instructed above.3. Connect your device to your PC.4. Double-click on run.bat.V. Installing ClockworkMod Recovery1. Exract theMarquee_CWM.zipyou downloaded above to a folder on your desktop.2. Connect your device to your PC.3. From the extracted folder, double-click oncwm-install-.batto run to the tool.4. Type in 1 and then hit the enter on your board.VI. Installing the ZVC Update1. Connect your device to your PC in USB Storage Mode.2. Copy theZVC-Rooted-Sprint.zipyou downloaded above to the topmost folder of your SD card.3. Power down your device.4. Reboot into ClockworkMod Recovery. To do this, with your device powered off, press and hold Volume Down + Power buttons until you see the CWM menu.5. Use the Volume Up and Down buttons to navigate to ‘Install zip from SD card’ and selectZVC-Rooted-Sprint.zipusing the Power button.6. Once the zip file is installed, select ‘Wipe Data/Factory Reset‘ to wipe the device and clr the cache by selecting ‘Clr Cache‘ from the CWM Menu.7. Select ‘Reboot System Now‘.You should now hold in your hands a rooted Sprint Marquee running the latest ZVC update!!