Latest iOS 5 user agents:

User Agent Browser Device
Mozilla/5.0 (iPhone; U; CPU iPhone OS 5_1_1 like Mac OS X; en-us) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9B206 Safari/7534.48.3 XiaoMi/MiuiBrowser/14.46.1-gn Mi Browser 14 iPhone
Mozilla/5.0 (iPhone; U; CPU iPhone OS 5_1_1 like Mac OS X; en-us) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9B206 Safari/7534.48.3 XiaoMi/Mint Browser/3.9.3 Mint Browser 3 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 5_0_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Mobile/9A405 Safari/7534.48.3 Mobile Safari iPhone
Mozilla/5.0 (iPhone; U; CPU iPhone OS 5_1_1 like Mac OS X; en-us) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9B206 Safari/7534.48.3 XiaoMi/MiuiBrowser/14.54.0-gn Mi Browser 14 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 5_1_1 like Mac OS X) AppleWebKit/536.1 (KHTML, like Gecko) FxiOS/11.6v1770.0 Mobile/85V941 Safari/536.1 Firefox Mobile iOS 11 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 5_1_1 like Mac OS X) AppleWebKit/532.2 (KHTML, like Gecko) CriOS/52.0.872.0 Mobile/36O319 Safari/532.2 Chrome Mobile iOS 52 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 5_1_1 like Mac OS X) AppleWebKit/536.1 (KHTML, like Gecko) CriOS/29.0.890.0 Mobile/34K195 Safari/536.1 Chrome Mobile iOS 29 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 5_1_1 like Mac OS X) AppleWebKit/534.1 (KHTML, like Gecko) FxiOS/12.5i4642.0 Mobile/98D531 Safari/534.1 Firefox Mobile iOS 12 iPhone
Mozilla/5.0(iPhone; CPU iPhone OS 5_0 like Mac OS X) AppleWebKit/534.46 Mobile Safari iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 5_1_1 like Mac OS X) AppleWebKit/535.1 (KHTML, like Gecko) FxiOS/10.4w0062.0 Mobile/61N571 Safari/535.1 Firefox Mobile iOS 10 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 5_1_1 like Mac OS X) AppleWebKit/533.2 (KHTML, like Gecko) FxiOS/9.4h3540.0 Mobile/09O542 Safari/533.2 Firefox Mobile iOS 9 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 5_1_1 like Mac OS X) AppleWebKit/532.0 (KHTML, like Gecko) CriOS/54.0.845.0 Mobile/37H916 Safari/532.0 Chrome Mobile iOS 54 iPhone
Mozilla/5.0 (iPad; CPU OS 5_1_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9B206 Safari/7534.48.3 WebOne/0.17.4 Mobile Safari 5 iPad
Mozilla/5.0 (iPhone; CPU iPhone OS 5_1_1 like Mac OS X) AppleWebKit/532.1 (KHTML, like Gecko) CriOS/57.0.896.0 Mobile/49C815 Safari/532.1 Chrome Mobile iOS 57 iPhone
Mozilla/5.0 (iPhone; U; CPU iPhone OS 5_1_1 like Mac OS X; en-us) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9B206 Safari/7534.48.3 XiaoMi/MiuiBrowser/14.52.2-gn Mi Browser 14 iPhone
Mozilla/5.0 (iPhone; U; CPU iPhone OS 5_1_1 like Mac OS X; en-us) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9B206 Safari/7534.48.3 XiaoMi/MiuiBrowser/14.51.0-gn Mi Browser 14 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 5_1_1 like Mac OS X) AppleWebKit/534.1 (KHTML, like Gecko) FxiOS/17.5n8603.0 Mobile/99H817 Safari/534.1 Firefox Mobile iOS 17 iPhone
Winamp/34.0 CFNetwork/548.1.4 Darwin/11.0.0 Unknown Unknown
Reeder/1.5.5 CFNetwork/548.1.4 Darwin/11.0.0 Unknown Unknown
Mozilla/5.0(iPod; CPU iPhone OS 5_1_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Mobile/9B206 [FBAN/FBIOS;FBAV/6.5.1;FBBV/377040;FBDV/iPod3,1;FBMD/iPod touch;FBSN/iPhone OS;FBSV/5.1.1;FBSS/1; FBCR/;FBID/phone;FBLC/en_US;FBOP/5] Facebook 6 iPod Touch 3