1. ZTE Axon 7
2. ZTE A2017GV1.2.0B05 (Android 7.1.1)
3. AK 4691, AK 4490 CPU: Snapdragon 820
Worked like a charm with the beta from the appstore before updating my phone to Nougat (Headphones 24 bit 192khz), but now fails when trying to activate it.
Am running 704 alpha