Huawei has announced that it will be rolling out Android 4.2 update to its current range of smartphone. The devices that were mentioned specifically include the Ascend D1 (http://www.gsmarena.com/huawei_ascend_d1-4570.php), Ascend P1 (http://www.gsmarena.com/huawei_ascend_p1-4410.php) and the Honor 2 (http://www.gsmarena.com/huawei_honor_2-5092.php). These phones will also be receiving Huawei's Emotion UI 1.6 with the OS update.
(http://cdn.gsmarena.com/vv/newsimg/13/05/huawei-jb-update/gsmarena_001.jpg)
Along with these devices, Huawei has also promised the Android 4.2 update to some of its other smartphones but haven't exactly clarified which ones those would be.
Source (http://gsminsider.com/2013/05/26/huawei-ascend-d2-ascend-p1-honor-2-android-4-2-emui-1-6/)
GSMArena.com