Nowadays, many smartphones come with water-resistant features. It is a wonderful feature for a device. If a water-resistant phone falls into water, it will not be damaged. But if you use Oppo K10 Pro, you will not get the feature.
The water-resistance device can dry up water from inside the phone. But your Oppo K10 Pro is not waterproof. It is accurate and correct information. You can see that Oppo K10 Pro is waterproof on many pages. But the information is not correct. The phone is not waterproof. It is the right answer.