TPG added OPPO Reno 10x ZOOM as certified supported phone to work with it’s VoLTE network.

Currently, VoLTE capable supported handsets supported by our network are:
Huawei Nova 3i
Huawei Mate20
Huawei Mate20 Pro
Huawei Mate20 X
Huawei P30
Huawei P30 Pro
Huawei P30 Lite
Honor 10 Lite
Honor 8X
Samsung: S9 / S9+
Samsung Galaxy A10
Samsung Galaxy A30
Samsung Galaxy A50
OPPO Reno 10x Zoom

By Harry