To change and strengthen your current Apple Watch passcode, open the Settings app on your Apple Watch and tap Passcode > Change Passcode. If you have a complicated and secure iPhone passcode and want to use your iPhone to unlock your Apple Watch, open the Apple Watch app on your iPhone, tap My Watch, and select your device. Tap Passcode and enable Unlock With iPhone. Alternatively, open the Settings app on your Apple Watch, tap Passcode, and then tap Unlock With iPhone. To turn on notification privacy, open the Apple Watch app on your iPhone, tap My Watch, and select your device. Select Notifications and tap Tap to Show Full Notification to enable the feature To ensure Find My Apple Watch is enabled, open the Apple Watch app on your iPhone and tap My Watch. Tap All Watches and select the information icon (i) next to your watch. If you see Find My Apple Watch among your options, it means you’re protected by Activation Lock. When Find My Apple Watch is enabled, you can also turn on Lost Mode, where you can set a custom message that displays on the screen along with a number where you can be reached. If the situation is dire, you can also erase your Apple Watch data remotely. To turn on Erase Data, open Settings on your Apple Watch, tap Passcode, and then turn on Erase Data. Open the Apple Watch app on your iPhone and tap My Watch. Select Privacy, and then tap Heart Rate to turn the switch to off (white). Next, tap Fitness tracking to turn the switch to off (white) and stop sharing fitness data. Check the other privacy settings to ensure you’re comfortable with the information your watch is sharing.
