General
- Brand Samsung
- Model Galaxy Z TriFold
- Device Smartphones
- Added December 2, 2025
- Updated May 16, 2026
Launch
- Announced 2025, December 02
- Status Available. Released 2025, December 12
Network
- Technology GSM / CDMA / HSPA / EVDO / LTE / 5G
- 2G bands GSM 850 / 900 / 1800 / 1900 CDMA 800 / 1900
- 3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO
- 4G bands LTE
- 5G bands SA/NSA/Sub6
- Speed HSPA, LTE, 5G
Body
- Dimensions Unfolded: 159.2 x 214.1 x 3.9-4.2 mm Folded: 159.2 x 75 x 12.9 mm
- Weight 309 g (10.90 oz)
- Build Glass front (Gorilla Glass Victus Ceramic 2) (folded), plastic front (unfolded), ceramic-glass fiber-reinforced polymer back, aluminum frame, titanium hinge housing
- SIM Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time) Nano-SIM + Nano-SIM + multiple eSIM (max 2 at a time) Nano-SIM + Nano-SIM
- Others IP48 dust and water resistant (dust > 1mm; immersible up to 1.5m for 30 min) Advanced Armor aluminum frame
Display
- Type Tri-foldable Dynamic LTPO AMOLED 2X, 120Hz, HDR, 1600 nits (peak)
- Size 10.0 inches, 305.4 cm2 (~89.6% screen-to-body ratio)
- Resolution 1584 x 2160 pixels, 4:3 ratio (~269 ppi density)
- Features Dynamic LTPO AMOLED 2X, 120Hz, HDR, 2600 nits (peak), Corning Gorilla Glass Ceramic 2 6.5 inches, 1080 x 2520 pixels, 422 ppi
Platform
- OS Android 16, One UI 8
- Chipset Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
- CPU Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
- GPU Adreno 830 (1200 MHz)
Memory
- Card slot No
- Internal 512 GB / 1TB
- RAM 16 GB
- Variant 16GB 512GB / 16GB 1TB
Main camera
- Triple 200 MP, f/1.7, 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS 10 MP, f/2.4, 67mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF
- Features LED flash, HDR, panorama
- Video 8K@30fps, 4K@60fps, 1080p@60/120/240fps (gyro-EIS), 10-bit HDR, HDR10+
Selfie camera
- Single 10 MP, f/2.2, 18mm (ultrawide), 1/3.0", 1.12µm Cover camera: 10 MP, f/2.2, 24mm (wide), 1/3.0", 1.12µm
- Features HDR
- Video 4K@30/60fps, 1080p@30/60fps, gyro-EIS
Sound
- Loudspeaker Yes, with stereo speakers
- 3.5mm jack No
Connectivity
- WLAN Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
- Bluetooth 5.4, A2DP, LE, aptX HD
- GPS GPS, GALILEO, GLONASS, BDS, QZSS
- NFC Yes
- FM radio No
- USB USB Type-C
Features
- Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer Samsung DeX wireless (desktop experience support)
Battery
- Type Non-removable Li-Po
- Capacity 5600 mAh
- Charging 45W wired, QC2.0, 50% in 30 min 15W wireless 4.5W reverse wireless
More
- Made by South Korea
- Color Crafted Black
- Models SM-D639B, SM-D639B/DS, SM-D639U, SM-D639U1, SM-D639N, SM-D6390