Load your .bin file into the "CP" slot and the .fls file into the "AP" slot.
The most stable way to update your firmware is through official channels. The LG Optimus Black Android 4.0.4 (Ice Cream Sandwich) as its final official version. Firmware Over-the-Air (FOTA): Settings > System > System Updates > Update LG Software Check now for update LG Mobile Support Tool (B2CAppSetup): Download and install the LG Mobile Support Tool on a Windows PC. Connect your phone via USB and select Start Updating within the application. 2. Manual Firmware Change (KDZ Flashing) firmware+change+update+on+lg+p970+optimus+black
Use tools like UnlockRoot or SuperOneClick (depending on your current Android version) to gain administrative access. Load your
Turn off the phone. Press and hold the Volume Up button while connecting the USB cable to your PC. The screen should display "Software Update" or a similar prompt. Firmware Over-the-Air (FOTA): Settings > System > System