“Honestly I wouldn't even bother. That's an 11y old device. The last supported OTA is supposedly 4.4 KitKat... it's also going to be more trouble than it's worth.” Reddit · r/AndroidQuestions · 3 years ago
Since official support ended at Android 4.0, users often turn to custom ROMs to access newer versions like Android 4.4 KitKat. firmware+change+update+on+lg+p970+optimus+black
These are the primary utilities used to push the .kdz firmware file to the device. “Honestly I wouldn't even bother
Official FOTA (Firmware-Over-The-Air) updates and the LGMobile Support Tool are no longer functional, as LG shut down its mobile servers. firmware+change+update+on+lg+p970+optimus+black