Latest IE Mobile user agents:

User Agent Platform Device
Mozilla/5.0(Windows Phone 8.1; ARM; Trident/7.0; Touch; rv:11.0; IEMobile/11.0; NOKIA; Lumia 822) like Gecko Windows Phone 8 Lumia 822
Mozilla/5.0(Mobile;WindowsPhone8.1;Android4.0;ARM;Trident/7.0;Touch;rv:11.0;IEMobile/11.0;NOKIA;Lumia520)likeiPhoneOS7_0_3MacOSXAppleWebKit/537(KHTML,likeGecko)MobileSafari/537 Windows Mobile Unknown
Mozilla/5.0(Mobile;WindowsPhone8.1;Android4.0;ARM;Trident/7.0;Touch;rv:11.0;IEMobile/11.0;Microsoft;Lumia640LTEDualSIM)likeiPhoneOS7_0_3MacOSXAppleWebKit/537(KHTML,likeGecko)MobileSafari/537 Windows Mobile Unknown
Mozilla/5.0(Mobile;WindowsPhone8.1;Android4.0;ARM;Trident/7.0;Touch;rv:11.0;IEMobile/11.0;Microsoft;Lumia640LTE)likeiPhoneOS7_0_3MacOSXAppleWebKit/537(KHTML,likeGecko)MobileSafari/537 Windows Mobile Unknown
Mozilla/5.0(Mobile; Windows Phone 8.1; Android 4.0; ARM; Trident/7.0; Touch; rv:11.0; IEMobile/11.0; NOKIA; Lumia 928) like iPhone OS 7_0_3 Mac OS X AppleWebKit/537 (KHTML, like Gecko) Mobile Safari/537 Windows Phone 8 Lumia 928
Mozilla/5.0(Mobile; Windows Phone 8.1; Android 4.0; ARM; Trident/7.0; Touch; rv:11.0; IEMobile/11.0; Microsoft; Lumia 430 Dual SIM) like iPhone OS 7_0_3 Mac OS X AppleWebKit/537 (KHTML, like Gecko) Mobile Safari/537 Windows Phone 8 Lumia 430
Mozilla/5.0 (WindowsPhone 8.1; ARM; Trident/7.0; Touch; rv:11.0; IEMobile/11.0; NOKIA; Lumia 521) like Gecko Windows Mobile Lumia 521
Mozilla/5.0 (WindowsPhone 8.1; ARM; Trident/7.0; Touch; rv:11.0; IEMobile/11.0; HTC; HTC6990LVW) like Gecko Windows Mobile 6990LVW
Mozilla/5.0 (Windows Phone Trident/7.0; Touch; WebView/2.0; rv:11.0; IEMobile/11.0; NOKIA; Lumia 525) like Gecko Windows Phone Lumia 525
Mozilla/5.0 (Windows Phone 8.2; ARM; Trident/7.0; Touch; WebView/2.0; rv:11.0; IEMobile/11.0; NOKIA; Lumia 525) like Gecko Windows Phone 8 Lumia 525