Oppo unveiled the F15 back in January and now the company is set to introduce its successor, dubbed Oppo F17 Pro. Oppo's Indian branch took to Twitter to tease the F17 Pro and posted a short clip that says the F17 Pro is "coming soon". The video also shows us the left side of the phone, which is home to the SIM card slot and volume rocker. We can also see the camera bump that hints at the F17 Pro featuring dual rear cameras, which is actually surprising since the F15 came with quad rear cameras. However, there's also the possibility of the F17 Pro having four snappers on the back...