Latest LG Optimus Dynamic II user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; U; Android 4.1.2; en-us; LGL39C Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30	Android Browser	Android 4
Mozilla/5.0 (Linux; Android 4.1.2; LGL39C) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.99 Mobile Safari/537.36	Chrome Mobile 71	Android 4
Mozilla/5.0 (Linux; Android 4.1.2; LGL39C Build/JZO54K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.133 Mobile Safari/537.36	Chrome Mobile 44	Android 4
Mozilla/5.0 (Linux; U; Android 4.1.2; en-us; LGL39C/V100 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30	Android Browser	Android 4