LG Official has released the Android 4.0 ICS software update for LG P970 (LG Optimus black) smart phones.
If your LG P970;s OS is not Android 4.0 ICS, you will need the PC Sync Software: LG PC Suite IV, a program that helps you connect your mobile phone to a PC using a USB data communication cable or a Bluetooth connection so that you can use the functions of the mobile phone on your PC.
Here is the PC Suite IV software:
LG PC Suite IV Ver P18.104.22.16821017
PC Sync software for the phones that have completed OS upgrade to Ice Cream Sandwich has changed from PC Suite IV to LG PC Suite
If your LG P970’s current OS is Android 4.0 ICS, you need to download the LG PC Suite. Here is the link.
LG PC Suite /PC Sync Ver P22.214.171.12421025