1. This firmware is initial release for the AC6 V2.0.
2. This firmware is only fit for AC6 V2.0 and its firmware version must be more than V15.03.06.50. If you can see "Anti-interference" option in wireless setting, that means yours is V2.0 and it's fit for you. As the picture below.
B-8-2, No.2, Jalan 19/1, Dataran 3 Dua, 46300 Petaling Jaya, Selangor