If your device encounters issues during or after an update, use these recovery methods:
Before touching the software of your device, you must take these precautions to avoid "bricking" (permanently disabling) your phone: firmware+change+update+on+lg+p970+optimus+black
Important warnings
: The official V30B firmware is more stable than earlier custom ROM attempts, though it remains resource-heavy for the device's 512MB RAM. If your device encounters issues during or after
Back up all data and ensure the phone is rooted. firmware+change+update+on+lg+p970+optimus+black