mi date una mano?
The complete method to root Android 4.0.4, firmware v20e on LG Optimus 4G LTE P930 is available on mobotalks with all the instructions needed. We just posted a guide on how to update your dvice to this new Jelly Bean firmware.
There are several benefits of rooting an Android device, but please remember, rooting your LG Optimus 4G LTE P930 will void its warranty and there is always a risk involved. However, this root method is very safe. You can root LG Optimus 4G LTE P930 on Android 4.0.4, firmware v20e using the tutorial below.
Disclaimer: All the custom ROMs and firmwares, official software updates, tools, mods or anything mentioned in the tutorial belong to their respective owners/developers. We (mobotalks.com) or the developers are not to be held responsible if you damage or brick your device. We don’t have you on gun point to try out this tutorial
How To Root The LG Optimus 4G LTE P930
Step 1. download Root Package on your PC.
Step 2. Extract files from the archive and save them on the desktop as well.
Step 3. Go to the menu option of your smartphone, select Settings, and then Security. Here you have to enable the Unknown sources option.
Step 4. Now enable the option of USB Debugging. You will find this option in Menu>Settings> Developer options.
Step 5. After enabling both options, connect your smartphone with your PC using a USB cable.
Step 6. Now you have to copy the LGSystemBackup APK file to the root of your SD card.
Step 7. After you complete the copying of file, unplug your smartphone from PC.
Step 8. Go to the file manager app in your smartphone, and install the APK file you copied on SD card.
Step 9. After installation, launch the app from App Drawer.
Step 10. When the app starts, immediately tap the power button, hold it, and choose the option of Power off and Restart.
Step 11. After your smartphone is restarted, connect the device again with the PC.
Step 11. Open the file named root_P880.bat from your desktop.
Step 12. Your LG smartphone would restart many times. You should not worry about it.
Step 13. Now you are done with root the LG Optimus 4G LTE P930. Uninstall the APK app that you installed previously.
mi dite come fare il punto 8 ed il 9 ?