The Xiaomi Watch 2 delivers dual-band L1+L5 GPS under $230 - a spec that previously required spending two to three times as much - paired with the Snapdragon W5+ Gen 1 chip and a 65-hour battery claim. For runners and cyclists who have seen GPS tracks wander off-course in city environments, the dual-band receiver makes a measurable difference. Wear OS has no native iPhone mode; Merge handles it: install on both devices and Watch 2 connects to your iPhone for notifications, Apple Health syncing, contacts, music control, and camera control.
What works with iPhone
Through Merge, the Xiaomi Watch 2 handles the full iPhone companion role. Notifications from every app on your iPhone appear on the watch in real time, with per-app notification controls to keep the wrist focused. Health data syncs to Apple Health via Merge: heart rate, steps, distance, floors climbed, calories, workouts with GPS routes, and pace - with dual-band L1+L5 accuracy that keeps urban route data clean and reliable. The steps, distance, and pace data benefit directly from the dual-band GPS precision.
iPhone contacts sync to the watch for quick access during runs when the phone stays home. Music playback and volume are controllable from the watch. Camera control lets you trigger the iPhone remotely when the camera app is open - a value highlight at this price point. Fall detection with automatic GPS location SMS operates through the connected phone via Merge when Bluetooth is active. The 5ATM rating supports pool tracking, and the 2GB of RAM keeps the Merge background service stable alongside continuous health monitoring.
Android phone required for first-time activation
First-time activation on the Xiaomi Watch 2 runs through the Wear OS by Google app on Android - the required Google account sign-in has no iPhone equivalent. There is no shortcut for iPhone users on this model. If you don't own an Android device, a brief loan from someone nearby covers it. Power on the watch, pair it to the Android phone over Bluetooth, sign into a Google account, and wait for setup to finish. You're looking at 10-15 minutes, after which the Android phone has no further role. iPhone and Merge take over completely from that point.
Pairing Xiaomi Watch 2 with iPhone using Merge
- Complete the Xiaomi Watch 2's initial activation using an Android phone and the Wear OS by Google app.
- On your iPhone, search the App Store for Merge Watch and install it.
- On the Xiaomi Watch 2, open Play Store, search for Merge Watch, and install it.
- Open Merge on your iPhone - approve the Bluetooth permission when prompted, then keep it foregrounded.
- On the Xiaomi Watch 2, open Merge and approve the Bluetooth permission when prompted.
- Tap Start Pairing - the watch stays discoverable for five minutes.
- On your iPhone, open Settings → Bluetooth and wait for the watch to appear in the list, then tap it to pair.
- Once paired, your iPhone will appear in Merge on the watch - tap it to complete the connection.
- Set up your Merge subscription via the iPhone app if prompted.
- Grant notification and health permissions on both devices when asked.
Using the Xiaomi Watch 2 day to day with iPhone
The dual-band GPS is the feature iPhone users will notice most during outdoor workouts - urban route tracks stay accurate on city blocks where single-band receivers typically generate position errors, and those accurate GPS routes and pace data sync cleanly to Apple Health via Merge. The 1.43-inch AMOLED at 466x466 resolution renders notification text cleanly, and the 5ATM rating means no need to remove the watch before a swim. Camera control from a sub-$230 watch is a genuine value highlight - the ability to frame a shot and trigger the iPhone remotely covers a use case that most budget Wear OS watches don't address. Real-world battery with Merge active, always-on heart rate, and moderate notifications typically lands in the 40-50-hour range rather than the claimed 65, but that still covers two full days comfortably before needing a charge.
