Samsung Galaxy Z Flip4 (SM-F721U) — TMB
Samsung Galaxy Z Flip4 Released 2022, August 25 | 187g, 6.9mm thickness | Android 12, up to Android 16, One UI 8 | 128GB/256GB/512GB storage, no card slot | Foldable Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (peak) | 12 MP, f/1.8, 24mm (wide), 1/1.76", 1.8µm, dual pixel PDAF, OIS 12 MP, f/2.2, 13mm, 123˚ (ultrawide), 1/3.06", 1.12µm | Li-Po 3700 mAh
Samsung Galaxy Z Flip4 Network Specifications
| Speed | HSPA, LTE (6CA), 5G |
| 5G | 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International |
| 4G | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 |
| 3G | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 2G | GSM 850 / 900 / 1800 / 1900 |
| Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G |
Samsung Galaxy Z Flip4 body Specifications
| SIM | Nano-SIM + eSIM |
| Build | Plastic front (unfolded), glass back (Gorilla Glass Victus+), aluminum frame |
| Weight | 187 g (6.60 oz) |
| Dimensions | Unfolded: 165.2 x 71.9 x 6.9 mm Folded: 84.9 x 71.9 x 15.9-17.1 mm |
Samsung Galaxy Z Flip4 MISC Specifications
| SAR EU | 1.15 W/kg (head) 1.20 W/kg (body) |
| SAR US | 1.02 W/kg (head) 0.94 W/kg (body) |
| Colors | Bora Purple, Graphite, Pink Gold, Blue, Yellow, White, Navy, Khaki, Red |
Samsung Galaxy Z Flip4 display Specifications
| Resolution | 1080 x 2640 pixels (~426 ppi density) |
| Size | 6.7 inches, 101.5 cm 2 (~85.4% screen-to-body ratio) |
| Type | Foldable Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (peak) |
Samsung Galaxy Z Flip4 Sound Specifications
| 3.5mm jack | No |
| Loudspeaker | Yes, with stereo speakers |
Samsung Galaxy Z Flip4 Platform Specifications
| GPU | Adreno 730 |
| CPU | Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) |
| Chipset | Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) |
| OS | Android 12, upgradable to Android 16, One UI 8 |
Samsung Galaxy Z Flip4 Battery Specifications
| Charging | 25W wired, 50% in 30 min 15W wireless 4.5W reverse wireless |
| Battery | Li-Po 3700 mAh |
Samsung Galaxy Z Flip4 memory Specifications
| Internal | 128GB 8GB RAM, 256GB 8GB RAM, 512GB 8GB RAM |
| Card slot | No |
Samsung Galaxy Z Flip4 Main Camera Specifications
| Video | 4K@30/60fps, 1080p@60/240fps, HDR10+ |
| Features | LED flash, HDR, panorama |
| Camera | 12 MP, f/1.8, 24mm (wide), 1/1.76", 1.8µm, dual pixel PDAF, OIS 12 MP, f/2.2, 13mm, 123˚ (ultrawide), 1/3.06", 1.12µm |
TMB Region Firmware Info
TMB - United StatesA CSC (Consumer Software Customization) code ties a Samsung firmware build to the country and carrier it was released for, controlling branding, available languages and which OTA updates a device receives. The TMB code is used in United States by T-Mobile, with 2 distinct Samsung Galaxy Z Flip4 firmware versions found so far.
TMB Firmware Version History
| Version | Build Date | Security Patch |
|---|---|---|
| F721USQSAIZG1 | 2026-07-09 | — |
| F721USQSAIZF1 | 2026-06-29 | — |
2 Samsung Galaxy Z Flip4 firmware versions found for the TMB region, newest first.
Samsung Galaxy Z Flip4 TMB Firmware ArchiveOfficial Samsung Galaxy Z Flip4 firmware for the United States TMB region, including BL, AP, CP, CSC and HOME_CSC packages for Odin flashing.
Samsung Galaxy Z Flip4 Combination & Special FilesCombination and service files for the Samsung Galaxy Z Flip4 (SM-F721U) — authorized repair, FRP reset after service, and diagnostics.
| Device Mobile | Version | Bit - SW REV | FA | Change list | Updated | Status |
|---|---|---|---|---|---|---|
TMB Firmware FAQ
Which carriers use the TMB CSC on the Samsung Galaxy Z Flip4?+
The TMB CSC is used by T-Mobile in United States. Flash the TMB firmware only if your device was sold through one of these carriers.
How many Samsung Galaxy Z Flip4 firmware versions are available for the TMB region?+
2 distinct Samsung Galaxy Z Flip4 firmware versions have been found for the TMB (United States) region so far, from oldest to the latest build.
How is the TMB CSC different from other region codes?+
Samsung ties every firmware build to one of roughly 599 CSC (Consumer Software Customization) codes, each tied to a specific country and carrier. TMB is the code for United States (T-Mobile) — flashing a different CSC can change your carrier branding, available languages and which OTA updates you receive.