Find a compatible ROM (e.g., CyanogenMod 10 or 11) and the corresponding GApps (Google Apps) package.
Changing firmware wipes your messages, contacts, and apps. Use tools like Titanium Backup if you already have root access.
To get the most out of the Optimus Black, many users switch to custom firmware like . This allows you to access newer Android features and remove LG’s "Optimus UI" bloatware. Phase A: Rooting and Recovery firmware+change+update+on+lg+p970+optimus+black
Hold the Volume Up button while connecting the phone to your PC via USB. The screen should display "S/W Upgrade". SmartFlash Configuration: Open SmartFlash and go to the "ROM Flashing" tab. Select the correct COM port.
Turn off the phone, then hold Power + Volume Down (or use a "Reboot to Recovery" app). Find a compatible ROM (e
In CWM, select wipe data/factory reset and wipe cache partition . This deletes all user data. Install: Select install zip from sdcard . Choose the ROM .zip first. After that finishes, install the GApps .zip .
Click Start . Do not disconnect the cable until the phone reboots. 3. Changing Firmware to Custom ROMs (The Power User Way) To get the most out of the Optimus
Before changing the firmware, you must unlock the device's "brain."
A stable Wi-Fi connection and at least 50% battery. Process: Go to Settings > About Phone . Tap on Software Update . Select Check now for update .