If you&#x27;re going to go from this &quot;Mozilla&#x2F;5.0 (Mobile; Windows Phone 8.1; Android 4.0; ARM; Trident&#x2F;7.0; Touch; rv:11.0; IEMobile&#x2F;11.0; BLU; WIN HD W510u) like iPhone OS 7_0_3 Mac OS X AppleWebKit&#x2F;537 (KHTML, like Gecko) Mobile Safari&#x2F;537&quot;, to something useful, you should probably give the useful one a new name and drop u-a on the drop dead date... That way websites can test the new way with their audience in advance.