En cours de modification FitBit Versa 4

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Repair and disassembly information for the 4th generation Fitbit Versa smartwatch. Released in September 2022 and identifiable by model number FB523.

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== Background ==

The Fitbit Versa 4 is a smartwatch that is designed for fitness, having a thin, lightweight design and large screen for seeing all your workout stats. It can track different aspects of your workouts, health, and sleep—heart rate, breathing rate, blood oxygen, sleep tracking/profile, etc. You can pair the watch with a smartphone and follow along with workouts, or you choose an exercise model and see your stats in real time. The Versa 4 offers all the functionality you would expect from a smartwatch—Bluetooth calls, text and app notifications, Google Maps, Google Wallet, and many more.

== Identification ==

Unlike most [[Topic:Fitbit Smartwatch|Fitbit watches|new_window=true]], the Versa 4 has a large, square screen with rounded edges. It comes in four different band and aluminum frame color combinations:

* Black / Graphite Aluminum
* Waterfall Blue / Platinum Aluminum
* Pink Sand / Copper Rose Aluminum
* Beet Juice / Copper Rose Aluminum

The Versa 4 can be identified by model number ***''FB523''*** which can be found in the settings of the watch, or a device that's connected to the watch (the model number isn't physically printed on the watch). You can also find the name and model number of your watch from your Fitbit account in the "Account Overview".

== Technical Specifications ==

***Dimensions***

* 1.5 x 1.5 x 0.45 in

***Band Size***

* Small
** Fits wrist 5.1" - 7" in circumference
* Large
** Fits wrist 6.5" - 8.6" in circumference

***Sensors & Components***

* Multi-path optical heart rate sensor
* Red and infrared sensors for oxygen saturation (SpO2) monitoring
* Altimeter
* 3-axis accelerometer
* Ambient light sensor
* NFC
* Built-in GPS + GLONASS
* Vibration motor
* Speaker (75dB SPL @10cm)
* Microphone
* Wi‑Fi (deactivated, cannot be turned on)
* Device temperature sensor (skin temperature variation available in the Fitbit app)

***Battery & Power***

Battery life of 6+ days. Battery life and charge cycles vary with use, settings and other factors.

* Battery type: Lithium-polymer
* Charge time (0-100%): Two hours
* Radio transceiver: Bluetooth® 5.0

***Memory***

* Saves 7 days of detailed motion data, minute by minute
* Saves daily totals for the last 30 days
* Stores heart rate data at one-second intervals during exercise tracking and at five-second intervals all other times

***Water Resistant***: Up to 50m

***Materials***

This watch includes a band made of a flexible material similar to that used in many sports watches, as well as an aluminum watch case and buckle.

***Environmental Requirements***

* Operating temperature: -14° to 113°F

***Compatibility***

The Fitbit app is compatible with most popular phones. To set up and use your Fitbit products and services, you must install the Fitbit app on a compatible device running one of the following operating systems:

* Apple iOS 15 or higher.
* Android OS 10 or higher. See additional tips for Android phones [link|https://help.fitbit.com/articles/en_US/Help_article/2322.htm|here.|new_window=true]

***Syncing***

* Syncing range: Up to 30ft
* Certain features like smartphone notifications may require Android 10+. [link|https://www.fitbit.com/global/us/technology/compatible-devices|Check your device compatibility.|new_window=true]
* Syncing requires Bluetooth® LE, an internet connection and location permissions granted on the phone

== Additional Information ==

* [link|https://www.fitbit.com/global/us/products/smartwatches/versa4|Official Fitbit Versa 4 Page|new_window=true]
* [link|https://en.wikipedia.org/wiki/Fitbit|Fitbit Wikipedia Page|new_window=true]
* [link|https://www.pcmag.com/reviews/fitbit-versa-4|PCMag Versa 4 Review|new_window=true]

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Fitbit Versa 4 User Manual En US

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