Amazfit T-Rex 3 Pro: 5 Shortcut Maps & Notification Fixes

The Amazfit T-Rex 3 Pro has five physical buttons (Back, Select, Up, Down, and a rotating crown) that you can remap for quick access to workouts, tools, and watch faces, and most notification problems come from phone-side settings rather than the watch itself. This article explains the default button map, how to customize it, and step-by-step fixes for notifications that won’t arrive or show up correctly.

Default Button Map on the T-Rex 3 Pro

Out of the box, the T-Rex 3 Pro assigns each button a specific function. Knowing these defaults is the first step to understanding what you can change.

• Back button (top left): Returns to the previous screen; from the watch face, it opens the app list.
• Select button (top right): Confirms a selection; from the watch face, it opens the workout list.
• Up button (middle left): Scrolls up; from the watch face, it opens the notification center.
• Down button (middle right): Scrolls down; from the watch face, it opens the quick settings panel.
• Crown (bottom right): Rotates to scroll, and pressing it acts as a second confirm button.

You can remap the short-press and long-press actions for each button in the Zepp app, but the crown’s rotation is fixed to scrolling. The long-press on the Select button is often mapped to a specific workout by default, but you can change it to any app or tool.

How to Customize Shortcuts (5-Minute Setup)

To change what a button does, you need the Zepp app on your phone. The watch itself does not offer button remapping—all customization happens through the app’s settings.

1. Open the Zepp app and make sure your T-Rex 3 Pro is connected.
2. Tap the device icon (top left) to go to your watch’s settings page.
3. Scroll down and tap Button Customization (sometimes labeled “Shortcut Buttons”).
4. You’ll see a list of the physical buttons. Tap one, then choose from the list of available functions: Workout, Workout History, Alarm, Compass, Barometer, Stopwatch, Timer, Music, Weather, or Watch Face.
5. Set a short-press and a long-press action for each button. For example, you might set the Up button’s short-press to open the Compass and the long-press to start a specific workout.
6. Tap Save and wait for the sync to complete. The changes apply immediately after the watch vibrates.

Note: You cannot assign a button to open a third-party app—only built-in functions are available. Also, the Back button’s long-press is reserved for the “Find My Phone” feature and cannot be changed.

Why Notifications Don’t Arrive (Common Causes)

If your T-Rex 3 Pro isn’t showing notifications, the problem is almost always on the phone side. Check these in order:

• Do Not Disturb (DND) is on: Swipe down on the watch face to open quick settings and ensure the moon icon is off.
• Notification access is disabled: On Android, the Zepp app needs “Notification access” permission. Go to your phone’s Settings > Apps > Zepp > Permissions and enable it.
• App notifications are blocked: On iOS, you must enable notifications for Zepp in your iPhone’s Settings > Notifications > Zepp. On Android, also check that the individual app (e.g., WhatsApp) has notifications enabled.
• Bluetooth is disconnected: The watch uses Bluetooth for notifications. If the connection drops, notifications stop. Check the Bluetooth icon on the watch face—if it’s crossed out, reconnect via the Zepp app.
• Battery saver mode: Battery saver on the watch disables notifications. Turn it off in the quick settings or in the Zepp app under Battery.

Step-by-Step Fix for Missing Notifications

Follow these steps in order; most users resolve the issue at step 2 or 3.

1. Restart both devices: Turn off your phone and watch, then turn them on. This clears temporary Bluetooth glitches.
2. Re-enable notification access: On Android: Settings > Apps > Zepp > Permissions > Notifications > Allow. On iOS: Settings > Notifications > Zepp > Allow Notifications. Toggle it off and on to force a refresh.
3. Unpair and re-pair the watch: In the Zepp app, go to Device > T-Rex 3 Pro > Unpair. Then set up the watch again as a new device. This resets the Bluetooth bond and often fixes notification routing.
4. Check per-app notification settings: In the Zepp app, go to Device > Notifications > App Alerts. Make sure the apps you want are toggled on. For iOS, you must also mirror the notification settings in the iPhone’s own notification center.
5. Update firmware: Go to Device > Firmware Update in the Zepp app. Install any pending update, as notification bugs are often fixed in updates.

Notification Display Issues (Wrong App, No Preview)

Sometimes notifications arrive but show the wrong app name or no message preview. This is usually a permission or privacy setting.

• No preview: On Android, the Zepp app needs “Notification content” access. In the Zepp app, go to Device > Notifications > Preview Details and select “Show full content.” On iOS, go to Settings > Notifications > Zepp > Show Previews and choose “Always.”
• Wrong app name: This happens when the phone sends the notification without the app’s icon. Force-stop the Zepp app and reopen it, then re-sync. If it persists, unpair and re-pair.
• Duplicate notifications: If you have multiple devices connected (e.g., a phone and a tablet), the watch may show duplicates. Disconnect the other device.

Comparing T-Rex 3 Pro Shortcuts to Other Amazfit Models

The T-Rex 3 Pro’s button customization is more flexible than older Amazfit models like the GTR or GTS series, which only allowed remapping the crown or a single button. The T-Rex 3 Pro also adds a dedicated crown, which the T-Rex 2 lacked. However, the GTR 4 has a similar button customization menu, so if you’re familiar with that, the T-Rex 3 Pro will feel similar. The main difference is the number of buttons—the T-Rex 3 Pro has five, while most GTR models have three. More buttons mean more shortcuts, but also a steeper learning curve.

Frequently Asked Questions

Can I change the crown’s rotation direction?

No, the crown’s rotation direction is fixed to the watch’s UI direction (scroll up when rotating up). There is no setting to reverse it.

Why does my watch only show notifications when the app is open?

This is a battery optimization issue on Android. Go to your phone’s Settings > Battery > App Battery Management, find Zepp, and set it to “Unrestricted” or “No restrictions.” Also, disable any “sleep standby” or “background freeze” for Zepp.

How do I clear all notifications at once?

From the notification center (press the Up button), scroll to the bottom and tap the trash icon. On some firmware versions, you can also long-press the Back button to clear all.

Can I set a shortcut to start a specific workout without going through menus?

Yes. In Button Customization, assign the long-press of the Select button to a specific workout (e.g., Outdoor Running). Then from the watch face, long-press Select to start that workout immediately.

My notifications show up but don’t vibrate. What’s wrong?

Check the watch’s vibration settings: Settings > Sound & Vibration > Vibration Strength. Also, ensure “Smart Notifications” is enabled in the Zepp app under Device > Notifications. If you have a scheduled DND, it may be suppressing vibration.

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