Samsung Galaxy S23 Ultra (SM-S918B) — XID
Samsung Galaxy S23 Ultra Released 2023, February 17 | 234g, 8.9mm thickness | Android 13, up to 4 major upgrades | 256GB/512GB/1TB storage, no card slot | Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (HBM), 1750 nits (peak) | 200 MP, f/1.7, 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS 10 MP, f/2.4, 70mm (telephoto), 1/3.52", 1.12µm, PDAF, OIS, 3x optical zoom 10
Samsung Galaxy S23 Ultra Network Specifications
| Speed | HSPA, LTE (CA), 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 S23 Ultra body Specifications
| SIM | · Nano-SIM + eSIM · Nano-SIM + Nano-SIM + eSIM (max 2 at a time) |
| Build | Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame |
| Weight | 234 g (8.25 oz) |
| Dimensions | 163.4 x 78.1 x 8.9 mm (6.43 x 3.07 x 0.35 in) |
Samsung Galaxy S23 Ultra MISC Specifications
| SAR EU | 0.96 W/kg (head) 1.40 W/kg (body) |
| SAR US | 1.12 W/kg (head) 0.92 W/kg (body) |
| Colors | Phantom Black, Green, Cream, Lavender, Graphite, Sky Blue, Lime, Red, BMW M Edition |
Samsung Galaxy S23 Ultra display Specifications
| Protection | Corning Gorilla Glass Victus 2 |
| Resolution | 1440 x 3088 pixels, 19.3:9 ratio (~500 ppi density) |
| Size | 6.8 inches, 114.7 cm 2 (~89.9% screen-to-body ratio) |
| Type | Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (HBM), 1750 nits (peak) |
Samsung Galaxy S23 Ultra Sound Specifications
| 3.5mm jack | No |
| Loudspeaker | Yes, with stereo speakers |
Samsung Galaxy S23 Ultra Platform Specifications
| GPU | Adreno 740 |
| CPU | Octa-core (1x3.36 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510) |
| Chipset | Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm) |
| OS | Android 13, up to 4 major Android upgrades, One UI 8.5 |
Samsung Galaxy S23 Ultra Battery Specifications
| Charging | 45W wired, PD3.0, 65% in 30 min 15W wireless (Qi) 4.5W reverse wireless |
| Battery | Li-Ion 5000 mAh |
Samsung Galaxy S23 Ultra memory Specifications
| Internal | 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM |
| Card slot | No |
Samsung Galaxy S23 Ultra Main Camera Specifications
| Video | 8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS |
| Features | Laser AF, LED flash, auto-HDR, panorama |
| Camera | 200 MP, f/1.7, 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS 10 MP, f/2.4, 70mm (telephoto), 1/3.52", 1.12µm, PDAF, OIS, 3x optical zoom 10 MP, f/4.9, 230mm (periscope telephoto), 1/3.52", 1.12µm, PDAF, OIS, 10x optical zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video |
XID Region Firmware Info
XID - IndonesiaA 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 XID code is used in Indonesia by Indosat, Indosat M3, Telkomsel, XL, 3, Axis, with 2 distinct Samsung Galaxy S23 Ultra firmware versions found so far.
XID Firmware Version History
| Version | Build Date | Security Patch |
|---|---|---|
| S918BXXSAFZG1 | 2026-07-10 | — |
| S918BXXSAFZF5 | 2026-06-10 | — |
2 Samsung Galaxy S23 Ultra firmware versions found for the XID region, newest first.
Samsung Galaxy S23 Ultra XID Firmware ArchiveOfficial Samsung Galaxy S23 Ultra firmware for the Indonesia XID region, including BL, AP, CP, CSC and HOME_CSC packages for Odin flashing.
Samsung Galaxy S23 Ultra Combination & Special FilesCombination and service files for the Samsung Galaxy S23 Ultra (SM-S918B) — authorized repair, FRP reset after service, and diagnostics.
| Device Mobile | Version | Bit - SW REV | FA | Change list | Updated | Status |
|---|---|---|---|---|---|---|
XID Firmware FAQ
Which carriers use the XID CSC on the Samsung Galaxy S23 Ultra?+
The XID CSC is used by Indosat, Indosat M3, Telkomsel, XL, 3, and Axis in Indonesia. Flash the XID firmware only if your device was sold through one of these carriers.
How many Samsung Galaxy S23 Ultra firmware versions are available for the XID region?+
2 distinct Samsung Galaxy S23 Ultra firmware versions have been found for the XID (Indonesia) region so far, from oldest to the latest build.
How is the XID 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. XID is the code for Indonesia (Indosat, Indosat M3, Telkomsel, XL, 3, and Axis) — flashing a different CSC can change your carrier branding, available languages and which OTA updates you receive.