Last updated: August 4th, 2026 at 13:48 UTC+02:00


Galaxy Fit 4 has a familiar design and upgraded Bluetooth connectivity

It could be launched in the coming months.

Asif Iqbal Shaik

Reading time: 1 minutes

Samsung Galaxy Fit 3 Workout Metrics

Samsung

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Galaxy Fit 3's workouts selection screen - Source: Samsung

TL;DR

  • Samsung’s upcoming Galaxy Fit 4 appears to keep the Galaxy Fit 3’s rectangular design, including a right-side button and optical heart rate sensor.
  • FCC filings show the tracker uses model number SM-R391 and adds Bluetooth 5.4 with LE and EDR, up from Bluetooth 5.3.
  • Samsung has not yet revealed other changes for the entry-level fitness tracker.

Samsung could soon launch an entry-level fitness tracker called the Galaxy Fit 4. It will succeed the Galaxy Fit 3, which launched two years ago, and is expected to feature a familiar design along with a newer version of Bluetooth.

The Galaxy Fit 4 carries the model number SM-R391 and recently received Federal Communications Commission (FCC) certification. Based on the documents associated with its FCC certification, the Galaxy Fit 4 will feature a rectangular screen similar to the Galaxy Fit 3. It has an optical heart rate monitor on the back, along with pogo-pin connectors and a quick-release mechanism for the band.

Samsung Galaxy Fit 4 Back Sensor Diagram FCC Certification

Samsung Electronics, FCC

Galaxy Fit 4's schematic diagram added in the FCC certification documents – Source: Samsung Electronics, FCC

FCC documents also reveal that the Galaxy Fit 4 supports Bluetooth 5.4 with LE and EDR, an upgrade over the Galaxy Fit 3's Bluetooth 5.3 connectivity.

Samsung Galaxy Fit 4 Bluetooth Version FCC Certification

Samsung Electronics, FCC

Galaxy Fit 4's Bluetooth version mentioned in its FCC certification document – Source: Samsung Electronics, FCC

The upcoming wearable also has a single button on its right edge, similar to the Galaxy Fit 3. It remains to be seen what other improvements Samsung will bring with its next fitness tracker.