This was how i recover my cellphone from the bootloop i hope it will be usefull to other people .
-Launch the lg mobile support tool
-Install usb driver lg-p880
- conect the usb cable and press down volume at the same time you will enter in s/w upgradre
- go to software actualization in the lg tool support
- press emergency and recovery mode
- is going to ask you the imei of your cellphone so write down before and have it ready to do this step hit check press ok
- in model search lg p880
- it will open the actualization windows
Is going to make an analis of the pc
- then is going to start the download of the software 566 mb .
Later it will desscompress the file and it will start the actualization then you just have to wait to reach 100 % of the instalation you cellphone should be now reboot and start like before of the bootloop problem you will have all you cellphone information intact you will loose root access nothing else
Press thank if this help you
Sorry my english is not the best
Sent from my LG-P880 using xda app-developers app