You can take emergency action to avoid the data losing or reduce the data lost to the least as follows: 1) Get out your phone from the water ASAP, and remove and battery and take out the SIM card to reduce the loss or damage on the device; 2) Don't move or shake the phone frequently, so that the water will not run around your mobile phone inside; 3) Wrap the device with cloth or handkerchief for a few minutes, and then turn off your phone, and place it into a jar or a bag filled with rice for a couple of days. But if you find something important are lost,like contacts, don't worry, you can ask for help from MobiKin Doctor for Android (
Windows/
Mac). Step 1: No matter which brand of your Android device is, just connect your device to the computer with USB cable
Step 2: Files on your Android have been categorized and displayed on the interface. Tick off these data types you want to recover back and click "Start" button to let the Android data recovery program scan your Huawei P10. Step 3: When the scan is finished, you can preview the scanned out data, find and mark the data you wish to restore and hit "Recover" button to save them on your personal computer without losing. It's very easy.Try it.Hope it could help you. A YouTube Guide for you: Read More: How to Recover Data from Water Damaged Android Phone or Tablet
How to Use MobiKin Doctor for Android