Samsung Galaxy Z Fold4 (SM-F936U) — TMK
Samsung Galaxy Z Fold4 Released 2022, August 25 | 263g, 6.3mm thickness | Android 12L, up to 4 major upgrades | 256GB/512GB/1TB storage, no card slot | Foldable Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (peak) | 50 MP, f/1.8, 23mm (wide), 1/1.56", 1.0µm, dual pixel PDAF, OIS 10 MP, f/2.4, 66mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 12mm,
Samsung Galaxy Z Fold4 Network Specifications
| Speed | HSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 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 - International |
| 3G | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 2G | GSM 850 / 900 / 1800 / 1900 |
| Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G |
Samsung Galaxy Z Fold4 body Specifications
| SIM | · Nano-SIM + eSIM · Nano-SIM + Nano-SIM + eSIM (max 2 at a time) |
| Build | Glass front (Gorilla Glass Victus+) (folded), plastic front (unfolded), glass back (Gorilla Glass Victus+), aluminum frame |
| Weight | 263 g (9.28 oz) |
| Dimensions | Unfolded: 155.1 x 130.1 x 6.3 mm Folded: 155.1 x 67.1 x 14.2-15.8 mm |
Samsung Galaxy Z Fold4 MISC Specifications
| SAR EU | 1.30 W/kg (head) 1.51 W/kg (body) |
| SAR US | 0.96 W/kg (head) 0.92 W/kg (body) |
| Colors | Graygreen, Phantom Black, Beige, Burgundy |
Samsung Galaxy Z Fold4 display Specifications
| Resolution | 1812 x 2176 pixels (~373 ppi density) |
| Size | 7.6 inches, 183.2 cm 2 (~90.9% screen-to-body ratio) |
| Type | Foldable Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (peak) |
Samsung Galaxy Z Fold4 Sound Specifications
| 3.5mm jack | No |
| Loudspeaker | Yes, with stereo speakers |
Samsung Galaxy Z Fold4 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 12L, up to 4 major Android upgrades, One UI 6.1.1 |
Samsung Galaxy Z Fold4 Battery Specifications
| Charging | 25W wired, 50% in 30 min 15W wireless 4.5W reverse wireless |
| Battery | Li-Po 4400 mAh |
Samsung Galaxy Z Fold4 memory Specifications
| Internal | 256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM |
| Card slot | No |
Samsung Galaxy Z Fold4 Main Camera Specifications
| Video | 8K@24fps, 4K@60fps, 1080p@60/240fps (gyro-EIS), HDR10+ |
| Features | LED flash, HDR, panorama |
| Camera | 50 MP, f/1.8, 23mm (wide), 1/1.56", 1.0µm, dual pixel PDAF, OIS 10 MP, f/2.4, 66mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 12mm, 123˚ (ultrawide), 1/3.06", 1.12µm |
TMK Region Firmware Info
TMK - 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 TMK code is used in United States by MetroPCS, with 2 distinct Samsung Galaxy Z Fold4 firmware versions found so far.
TMK Firmware Version History
| Version | Build Date | Security Patch |
|---|---|---|
| F936USQSAIZG1 | 2026-07-09 | — |
| F936USQSAIZF1 | 2026-06-11 | — |
2 Samsung Galaxy Z Fold4 firmware versions found for the TMK region, newest first.
Samsung Galaxy Z Fold4 TMK Firmware ArchiveOfficial Samsung Galaxy Z Fold4 firmware for the United States TMK region, including BL, AP, CP, CSC and HOME_CSC packages for Odin flashing.
Samsung Galaxy Z Fold4 Combination & Special FilesCombination and service files for the Samsung Galaxy Z Fold4 (SM-F936U) — authorized repair, FRP reset after service, and diagnostics.
| Device Mobile | Version | Bit - SW REV | FA | Change list | Updated | Status |
|---|---|---|---|---|---|---|
TMK Firmware FAQ
Which carriers use the TMK CSC on the Samsung Galaxy Z Fold4?+
The TMK CSC is used by MetroPCS in United States. Flash the TMK firmware only if your device was sold through one of these carriers.
How many Samsung Galaxy Z Fold4 firmware versions are available for the TMK region?+
2 distinct Samsung Galaxy Z Fold4 firmware versions have been found for the TMK (United States) region so far, from oldest to the latest build.
How is the TMK 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. TMK is the code for United States (MetroPCS) — flashing a different CSC can change your carrier branding, available languages and which OTA updates you receive.