Samsung’s first tri-folding smartphone is one step closer to market. The device, known as the Galaxy Z TriFold, has received a critical certification from the Bluetooth Special Interest Group. This official approval is a mandatory step before any consumer electronics product can be sold to the public.

The certification confirms Samsung’s commitment to releasing the innovative device this year. This move signals that the final commercial product is now in active development and testing phases. According to Reuters, such certifications typically occur just months ahead of a formal product announcement.
Global Launch Strategy Revealed Through Model Numbers
The Bluetooth SIG listing includes five distinct model numbers. These codes are SM-D6390, SM-D639U, SM-D639U1, SM-D639N, and SM-D639B. This numbering system helps Samsung disguise its products before launch to avoid early leaks.
Each model corresponds to a different market region. The first is for China, while the second and third are for carrier-locked and unlocked US variants. The fourth model is destined for South Korea. The final model, SM-D639B, is an international version.
Limited Initial Release Raises Questions
The international model’s availability will be highly restricted at first. Current plans indicate the United Arab Emirates will be the only market outside the US, China, and South Korea to receive the device initially. A broader global rollout is not expected until 2026.
This limited launch strategy allows Samsung to gauge consumer response. It also helps manage complex supply chains for a new form factor. The international variant received a separate certification, which may hint at minor hardware differences between regions.
The Galaxy Z TriFold is shaping up to be Samsung’s most ambitious foldable yet. Its upcoming release will test consumer appetite for a new kind of mobile device. This tri-folding phone could redefine the smartphone market for years to come.
Dropping this nugget your way
When will the Samsung Galaxy Z TriFold be released?
Samsung has confirmed a launch sometime this year. The recent Bluetooth certification suggests an announcement could happen within the next few months, though a specific date remains unconfirmed.
Which countries will get the Galaxy Z TriFold first?
The initial launch will focus on the United States, China, South Korea, and the UAE. A wider international release is not anticipated until 2026, according to industry sources.
How is a tri-fold phone different from current foldables?
Current foldables like the Z Fold series have one hinge and two panels. The TriFold will feature two hinges and three panels, allowing for more screen configurations and potentially a larger tablet-like experience.
What does Bluetooth SIG certification mean for the launch?
This certification is a mandatory regulatory step for any device using Bluetooth technology. Its completion indicates the product is in the final stages of preparation for a commercial release.
Why are there different model numbers for the same phone?
Different model numbers correspond to different regional variants. These account for varying network bands, supported cellular technologies, and potential minor hardware differences between markets.
Trusted Sources
Reuters, Associated Press, Bloomberg
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