: You can find official firmware files by checking your IMEI on sites like IMEI.info .
Before starting, ensure you have backed up all essential data, as flashing firmware can result in data loss. firmware+change+update+on+lg+p970+optimus+black
By 2014, the P970 was ancient history in tech years. Most people had moved on to dual-core and quad-core phones. Yet, a dedicated group of developers wasn't ready to let the "Black" die. : You can find official firmware files by
Find a compatible ROM (e.g., CyanogenMod 10 or 11) and the corresponding GApps (Google Apps) package. Most people had moved on to dual-core and quad-core phones
Official support for the P970 peaked at Android 4.0.4 Ice Cream Sandwich . If your device says it is up to date but you are on an older version, you may need the manual method below. 2. Manual Stock Firmware Flashing (Using SmartFlash)
Turn off the phone, then hold Power + Volume Down (or use a "Reboot to Recovery" app).