Do you have the Status 7 error while updating your Android device to Android 4.4 KitKat? Status 7 error means you had modified something on your Android phone. You can fix this error by reverting back your phone to original state. Below are the main culprits and solution for Status 7 error.
2. Have you deleted a system app from your phone? Or have apps like Xposed Framework installed? Then you should get back the system app to /system/app folder and uninstall Xposed Framework.
3. If nothing is installed or modified your device, but still receiving the status 7 error, try factory resetting your phone and install the update. It should solve your issue.