Apple offers a secure and smooth ecosystem and exclusivity with all its products. Popular choices include the Apple Watch Series 8 and Apple Watch Series 9 because of its feature-rich OS. However, there are many built-in features in an Apple Watch that most people overlook because they focus on just the popular ones. These are elements that could otherwise help improve the user experience. Here are 15 such hacks every Apple Watch user must know. Unlock the iPhone Users can unlock their iPhones through their Apple Watch. To use it, one needs to open the iPhone and go into “Face ID & Passcode,” located under “Settings.” Once they enter their passcode, the user must scroll down until they find “Unlock with Apple Watch” and turn the settings on. Use the basic calculator The Apple Watch Series 8 and Apple Watch Series 9 come with a feature that enables basic calculations. Users must go to the Calculator app on the watch to get the job done. Take screenshots To use this, one has to open the Watch app on their iPhone and activate “Enable Screenshots” via the “General” tab. The individual can then take a screenshot on the Apple Watch by pressing the side button and the digital crown simultaneously.