Latest Lark 4 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 10; M2006J10C Build/QP1A.190711.020; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/75.0.3770.156 Mobile Safari/537.36 Lark/4.7.4 LarkLocale/zh_CN ChannelName/Feishu TTWebView/0751130016424 Android 10 Redmi K30 Ultra
Mozilla/5.0 (iPhone; CPU iPhone OS 15_1_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.1.1 Mobile/15E148 Safari/604.1 Lark/4.10.5 LarkLocale/en_US ChannelName/Lark iOS 15 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 15_0_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.0.1 Mobile/15E148 Safari/604.1 Lark/4.9.4 LarkLocale/zh_CN ChannelName/Feishu iOS 15 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 15_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.0 Mobile/15E148 Safari/604.1 Lark/4.8.4 LarkLocale/zh_CN ChannelName/Feishu iOS 15 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 14_7_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.7.1 Mobile/15E148 Safari/604.1 Lark/4.6.3 LarkLocale/en_US iOS 14 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 13_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.6 Mobile/15E148 Safari/604.1 Lark/4.0.5 LarkLocale/zh_CN iOS 13 iPhone