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Fitness Trackers & Smart Scales: Installation & Setup Explained
By the Nest & Yard editorial teamUpdated 2026-08-093 min read
Our pick: the eufy Smart Scale A1, Bluetooth Digital Bathroom Scale, 12 Measurements — the best Fitness Trackers & Smart Scales we tested, from £14.99.
Getting started with a fitness tracker or smart scale can seem straightforward, but the reality of installation often involves more than just plugging in. This guide breaks down what’s typically involved when setting up devices like Bluetooth Digital Bathroom Scales (examples include those from eufy) or activity trackers such as the Fitbit Inspire 3 or Xiaomi Smart Band 9, highlighting potential pitfalls and offering a checklist to ensure a smooth process – it's worth considering whether you need any basic tools for this sort of task. Before you begin, let’s look at what to check first to avoid common setup frustrations.
See the full range in Fitness Trackers & Smart Scales.

#1 Pick
eufy Smart Scale A1, Bluetooth Digital Bathroom Scale, 12 Measurements- Bluetooth
£14.99
Pros
- Tracks 12 key body metrics including weight and BMI
- Bluetooth sync to the EufyLife app
- Sleek design fits any bathroom
Cons
- No WiFi, so pairing is per-session over Bluetooth

#2 Pick
Fitbit Inspire 3 Health & Fitness Tracker with Stress Management, Workout Intensity, Sleep Tracking, 24/7 Heart Rate- Bluetooth
Currently unavailable
Pros
- Up to 10 days battery life
- Built-in stress management and sleep tracking
- Lightweight and comfortable for all-day wear
Cons
- No built-in GPS

#3 Pick
XIAOMI Smart Band 9 Fitness Tracker, AMOLED Display- Bluetooth
Currently unavailable
Pros
- Bright AMOLED display is easy to read outdoors
- Long battery life between charges
- Tracks a wide range of workouts and health metrics
Cons
- Companion app has fewer features than premium brands

#4 Pick
Garmin Forerunner 245 GPS Running Smartwatch with Training and Performance Features- Bluetooth, ANT+, GPS
Currently unavailable
Pros
- Advanced running dynamics including VO2 max and training effect
- Built-in GPS with no phone required
- Up to 7 days battery life in smartwatch mode
Cons
- No touchscreen, relies on physical buttons
FAQ
I've bought a fitness tracker; is it usually straightforward to set up?
Most fitness trackers are designed for plug-and-play installation, simply requiring you to charge the device and pair it with your smartphone via Bluetooth. However, some models may require downloading a specific app from the App Store or Google Play before pairing.
My smart scale won't connect to my phone – what could be the issue?
Firstly, ensure the batteries in your scale are fresh; low battery power can disrupt Bluetooth connectivity. Secondly, check that Bluetooth is enabled on your smartphone and that you’ve followed the manufacturer’s pairing instructions carefully.
I'm struggling to get my fitness tracker to sync with Amazon Health – what should I do?
Verify that the app associated with your fitness tracker has the necessary permissions (Bluetooth, location) enabled within your smartphone’s settings. You may also need to manually initiate a sync from within the tracker’s app.
I've followed the instructions for my smart scale, but it keeps displaying an incorrect weight.
Smart scales can be sensitive to placement; ensure you’re using a hard, level surface and that nothing is obstructing the sensor. Try recalibrating the scale following the manufacturer's guidance.
Do I need any specific tools for installing a fitness tracker?
Generally, no – most fitness trackers are designed to be self-installed with just your smartphone and the included charging cable. However, you might want a small Phillips head screwdriver if accessing the device’s battery compartment is necessary.
What if I'm not comfortable with DIY installations?
Consider whether the product requires any modifications to your existing set-up, such as wall mounting; if so, you may require additional tools and skills. Alternatively, some retailers offer professional fitting services – check the manufacturer’s website for details.
Are there specific surface requirements for a smart scale?
Smart scales typically need to be placed on a hard, level surface like tile or stone; avoid using carpet or rugs as they can interfere with accurate weight measurement. Ensure the area is clean and dry before placing the scale.
I've checked all the instructions, but my fitness tracker still won’t turn on.
The most common cause is a depleted battery – ensure it is fully charged for at least an hour before attempting to power it on again. If that doesn't resolve the issue, consult the manufacturer’s troubleshooting guide.
What should I check *before* purchasing a fitness tracker or smart scale?
Carefully examine the included accessories – ensure you have all necessary charging cables, instructions, and any mounting hardware required. Also, confirm compatibility with your smartphone's operating system (iOS or Android).
Where can I find information about returns if something goes wrong after installation?
Refer to Amazon’s standard returns policy for guidance on returning the product; you will need to initiate a return request through their website and follow their instructions carefully.
In depth
Setting up a fitness tracker or smart scale often seems straightforward – just plug it in and sync it to your phone. However, the reality can vary significantly depending on the device's complexity, your technical skills, and even where you intend to place it. Before investing, consider these key factors that impact the setup process and potential pitfalls.
The initial connection is rarely seamless. Many trackers and scales require downloading a dedicated app from either the Apple App Store or Google Play Store – often with a specific version requirement highlighted during installation. Some devices also demand Bluetooth connectivity, which can be problematic if your phone's Bluetooth isn’t functioning optimally, or if you have multiple devices attempting to pair simultaneously. Interference from other wireless devices nearby can cause connection issues and necessitate restarting both the tracker/scale and your smartphone. Troubleshooting these basic connectivity problems is a surprisingly common first step in any setup process – be prepared for some initial frustration and consult the manufacturer's online support resources, which are often the most detailed guides.
Beyond connectivity, physical placement matters. Smart scales, in particular, benefit from being placed on a hard, level surface – ideally one that’s been recently cleaned to remove any residual dust or debris which could interfere with accurate weight readings. Similarly, fitness trackers positioned near electronic devices might experience interference, leading to inaccurate step counts or heart rate monitoring. Think about potential sources of electromagnetic fields in your home - microwaves and cordless phones are notorious culprits, though the impact varies greatly between brands and models.
For more complex setups – particularly those involving larger scales or requiring wall mounting – a degree of DIY skill is often necessary. While many devices come with basic instructions, assembling stands, attaching brackets, or navigating intricate wiring can quickly become daunting. Consider the tools you'll need: a small screwdriver set, possibly a level (especially for scales), and potentially some cable ties to manage wires neatly. Don’t underestimate the importance of reading the instruction manual carefully *before* commencing any physical assembly; attempting shortcuts or improvising could damage the device or compromise its functionality.
A critical step frequently overlooked is data synchronization. After initial pairing, ensure the tracker/scale consistently syncs with your chosen app. Check for firmware updates – these are often essential for bug fixes and performance improvements but can also introduce compatibility issues if not installed promptly. Some devices require manual syncing after each measurement, while others offer automatic synchronization in the background. Familiarise yourself with the device's specific syncing requirements to avoid discrepancies between recorded data and your app’s display.
Finally, be aware of potential “common-sense” errors that can impact accuracy. For scales, ensuring you stand still and remain motionless during a measurement is crucial for obtaining consistent readings. Fitness trackers are similarly susceptible to inaccurate step counts if not worn correctly or if the user's movement patterns aren't consistent. Regularly calibrate your device according to the manufacturer’s instructions – this might involve comparing its readings against a known standard (e.g., a calibrated scale). Ignoring calibration instructions can lead to gradual inaccuracies over time, rendering the data unreliable.
The Nest & Yard editorial team
Written and reviewed by our UK-based team of home improvement and gardening writers, who research specs, pricing and customer reviews before every recommendation. Reviewed and updated on 2026-08-09.