Instructions to make video calls on Oppo devices

Oppo Mirror 5s Oppo Mirror 5s
Oppo R5s Oppo R5s
Oppo R7 lite Oppo R7 lite
Oppo R7s Oppo R7s
Oppo Neo 7 Oppo Neo 7
Oppo A33 Oppo A33
Oppo A53 Oppo A53
Oppo F1 Oppo F1
Oppo F1 Plus Oppo F1 Plus
Oppo R9 Plus Oppo R9 Plus
Oppo A59 Oppo A59
Oppo A37 Oppo A37
Oppo R9s Oppo R9s
Oppo R9s Plus Oppo R9s Plus
Oppo F1s Oppo F1s
Oppo A57 Oppo A57
Oppo F3 Plus Oppo F3 Plus
Oppo F3 Oppo F3
Oppo A77 Oppo A77
Oppo R11 Oppo R11