The Smartisan os system of Smartisan mobile phone does not have the function of adding time watermark to the system camera. Therefore, Smartisan mobile phone can set the time on the photo by downloading a third-party camera application. Taking Nut Pro2 as an example, the specific The steps are as follows:

The first step: Unlock the phone and enter the desktop, find the "App Store" software that comes with the system, and click to enter

The second step: Enter in the search box "Watermark Camera", find it and download and install it

Step 3: Open the installed watermark camera and select the time watermark in the watermark library below

Step 4: After taking the photo The time watermark is added to the photo