Samsung SM-F731U Galaxy Z Flip 5 5G UW TD-LTE US 256GB / SM-F731R4 (Samsung B5)
Samsung · Announced Jul 2023
About Samsung Galaxy Z Flip 5
The Samsung Galaxy Z Flip 5 folds into a compact form that measures 71.9 mm wide, 165.1 mm tall and just 6.9 mm thick, tipping the scales at 187 grams. When closed, a 3.39‑inch colour AM‑OLED panel serves as a secondary display, offering a resolution of 748 by 720 pixels for quick glances at notifications, time or widgets without needing to open the main screen.
Inside, the device runs Google Android 13 and is equipped with 8 GiB of RAM to keep apps responsive. Power comes from a 3 700 mAh battery that supports wired charging at up to 15 watts, and the phone accommodates a single SIM card for cellular connectivity.
This US‑market model adds mmWave‑capable UW 5G and TD‑LTE support, and is sold with 256 GB of internal storage under the carrier‑specific SM‑F731R4 designation. Unlike the 512 GB UW variants also sold in the United States, it offers half the storage, and it differs from the Korean, Canadian, Chinese, Japanese and global models that lack the UW mmWave band or carry different regional LTE configurations. It also does not carry any special‑edition branding or dual‑SIM capability found in the Maison Margiela, Retro Limited Edition or other variants.
Technical Specifications
All NR bands (5)
- NR 1700/2100 MHz (N66)
- NR 1900 MHz (N2, PCS)
- NR 1900 MHz (N25)
- NR 600 MHz (N71)
- NR 850 MHz (N5)
All TD-NR bands (7)
- TD-NR 2500 MHz (N41)
- TD-NR 28 GHz (N257)
- TD-NR 28 GHz (N261) bands
- TD-NR 3500 MHz (N78)
- TD-NR 3600 MHz (N48)
- TD-NR 3700 MHz (N77)
- TD-NR 39 GHz (N260)
All LTE bands (11)
- LTE 1700/2100 MHz (Band 4, AWS)
- LTE 1700/2100 MHz (Band 66)
- LTE 1900 MHz (Band 2, PCS)
- LTE 1900 MHz (Band 25)
- LTE 2600 MHz (Band 7)
- LTE 600 MHz (Band 71)
- LTE 700 MHz (Band 12)
- LTE 700 MHz (Band 13)
- LTE 700 MHz (Band 29)
- LTE 850 MHz (Band 26)
- LTE 850 MHz (Band 5)
All TD-LTE bands (5)
- TD-LTE 1900 MHz (Band 39)
- TD-LTE 2300 MHz (Band XL)
- TD-LTE 2500 MHz (Band XLI)
- TD-LTE 2600 MHz (Band 38)
- TD-LTE 3600 MHz (Band 48)
All UMTS bands (5)
- UMTS 1700/2100MHz (Band IV, AWS)
- UMTS 1900MHz (Band II, PCS)
- UMTS 2100MHz (Band I, IMT)
- UMTS 850MHz (Band V, CLR)
- UMTS 900MHz (Band VIII)
All GSM bands (4)
- GSM 1800MHz (B3)
- GSM 1900MHz (PCS, B2)
- GSM 850MHz (B5)
- GSM 900MHz (B8)
Model Variants
15 other phones with the same base model: Samsung Galaxy Z Flip 5
Samsung Galaxy Z Flip 5
Samsung SM-F7310 Galaxy Z Flip 5 5G Maison Margiela Edition Dual SIM TD-LTE CN HK TW 512GB (Samsung B5)
Samsung Galaxy Z Flip 5
Samsung SM-F7310 Galaxy Z Flip 5 5G TD-LTE CN HK TW 256GB (Samsung B5)
Samsung Galaxy Z Flip 5
Samsung SM-F7310 Galaxy Z Flip 5 5G TD-LTE CN HK TW 512GB (Samsung B5)
Samsung Galaxy Z Flip 5
Samsung SM-F731B Galaxy Z Flip 5 5G Global TD-LTE 256GB (Samsung B5)
Samsung Galaxy Z Flip 5
Samsung SM-F731B Galaxy Z Flip 5 5G Global TD-LTE 512GB (Samsung B5)
Samsung Galaxy Z Flip 5
Samsung SM-F731B Galaxy Z Flip 5 5G Retro Limited Edition Global TD-LTE 512GB (Samsung B5)
Samsung Galaxy Z Flip 5
Samsung SM-F731J Galaxy Z Flip 5 5G UW TD-LTE JP 512GB SCG23 (Samsung B5)
Samsung Galaxy Z Flip 5
Samsung SM-F731N Galaxy Z Flip 5 5G Retro Limited Edition TD-LTE KR 512GB (Samsung B5)
Samsung Galaxy Z Flip 5
Samsung SM-F731N Galaxy Z Flip 5 5G TD-LTE KR 256GB (Samsung B5)
Samsung Galaxy Z Flip 5
Samsung SM-F731N Galaxy Z Flip 5 5G TD-LTE KR 512GB (Samsung B5)
Samsung Galaxy Z Flip 5
Samsung SM-F731U Galaxy Z Flip 5 5G UW TD-LTE US 256GB / SM-F731A (Samsung B5)
Samsung Galaxy Z Flip 5
Samsung SM-F731U Galaxy Z Flip 5 5G UW TD-LTE US 256GB / SM-F731T (Samsung B5)
Samsung Galaxy Z Flip 5
Samsung SM-F731U Galaxy Z Flip 5 5G UW TD-LTE US 512GB / SM-F731R4 (Samsung B5)
Samsung Galaxy Z Flip 5
Samsung SM-F731U Galaxy Z Flip 5 5G UW TD-LTE US 512GB / SM-F731T (Samsung B5)
Samsung Galaxy Z Flip 5
Samsung SM-F731W Galaxy Z Flip 5 5G TD-LTE CA 256GB (Samsung B5)