QQ浏览器：

android：
mozilla/5.0 (Linux; U; Android 5.1; zh-cn; OPPO R9tm Build/LMY47I) AppleWebKit/537.36 (KHTML, like Gecko)Version/4.0 Chrome/37.0.0.0 MQQBrowser/7.5 Mobile Safari/537.36

QQ内置:
android:
Mozilla/5.0 (Linux; Android 5.1; OPPO R9tm Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/53.0.2785.49 Mobile MQQBrowser/6.2 TBS/043128 Safari/537.36 V1_AND_SQ_7.0.0_676_YYB_D PA QQ/7.0.0.3135 NetType/4G WebP/0.3.0 Pixel/1080
iphone:
Mozilla/5.0 (iPhone; CPU iPhone OS 10_2_1 like Mac OS X) AppleWebKit/602.4.6 (KHTML, like Gecko) Mobile/14D27 QQ/6.7.1.416 V1_IPH_SQ_6.7.1_1_APP_A Pixel/750 Core/UIWebView NetType/4G QBWebViewType/1

微信内置:
android:
Mozilla/5.0 (Linux; Android 5.1; OPPO R9tm Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/53.0.2785.49 Mobile MQQBrowser/6.2 TBS/043220 Safari/537.36 MicroMessenger/6.5.7.1041 NetType/4G Language/zh_CN
iphone:
Mozilla/5.0 (iPhone; CPU iPhone OS 10_2_1 like Mac OS X) AppleWebKit/602.4.6 (KHTML, like Gecko) Mobile/14D27 MicroMessenger/6.5.6 NetType/4G Language/zh_CN

QQ、微信、QQ浏览器UserAgent