Latest Facebook Messenger Lite 265 user agents:

User Agent	Platform	Device
Mozilla/5.0 (iPhone; CPU iPhone OS 13_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML like Gecko) Mobile/15E148 LightSpeed [FBAN/MessengerLiteForiOS;FBAV/265.0.0.65.104;FBBV/215460794;FBDV/iPhone8 4;FBM	iOS 13	iPhone 8
Mozilla/5.0 (iPad; CPU OS 13_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML like Gecko) Mobile/15E148 LightSpeed [FBAN/MessengerLiteForiOS;FBAV/265.0.0.65.104;FBBV/215460794;FBDV/iPad11 2;FBMD/iPad;FBS	iPadOS 13	iPad