Samsung Galaxy Watch3 (SM-R855U) Firmware Downloads - Region: XAR
Explore, Download, and Update with Ease
Free, direct downloads of official stock firmware for the Samsung Galaxy Watch3 (model code SM-R855U) in the XAR region. Pick a build to update, repair, or unbrick your device with the Odin tool.
Samsung Galaxy Watch3 Released 2020, August 06 | 53.8 (45mm), 48.2g (41mm), 43g (45mm tt.), 11.1mm thickness | Tizen OS 5.5 | 4GB/8GB storage, no card slot | Super AMOLED | Li-Ion 340 mAh
Samsung Galaxy Watch3 Network Specifications
Detailed Network specifications for the Samsung Galaxy Watch3:
Speed
HSPA, LTE
4G
1, 3, 5, 7, 8, 20
3G
HSDPA 850 / 900 / 2100
2G
GSM 850 / 900 / 1800 / 1900
Technology
GSM / HSPA / LTE
Timeline
Released2020, August 6
Samsung Galaxy Watch3 body Specifications
Detailed body specifications for the Samsung Galaxy Watch3:
SIM
eSIM
Build
Glass front (Gorilla Glass DX), stainless steel frame 316L or titanium frame
Weight
53.8 (45mm), 48.2 g (41mm), 43 g (45mm tt.) (1.90 oz)
Dimensions
46.2 x 45 x 11.1 mm (1.82 x 1.77 x 0.44 in)
Samsung Galaxy Watch3 MISC Specifications
Detailed MISC specifications for the Samsung Galaxy Watch3:
Colors
Mystic Bronze, Mystic Black, Mystic White
Samsung Galaxy Watch3 display Specifications
Detailed display specifications for the Samsung Galaxy Watch3:
Protection
Corning Gorilla Glass DX
Resolution
360 x 360 pixels (~364 ppi density)
Size
1.4 inches
Type
Super AMOLED
Samsung Galaxy Watch3 Sound Specifications
Detailed Sound specifications for the Samsung Galaxy Watch3:
3.5mm jack
No
Loudspeaker
Yes
Samsung Galaxy Watch3 Platform Specifications
Detailed Platform specifications for the Samsung Galaxy Watch3:
GPU
Mali-T720
CPU
Dual-core 1.15 GHz Cortex-A53
Chipset
Exynos 9110 (10 nm)
OS
Tizen OS 5.5
Samsung Galaxy Watch3 Battery Specifications
Detailed Battery specifications for the Samsung Galaxy Watch3:
Charging
Wireless
Battery
Li-Ion 340 mAh
Samsung Galaxy Watch3 memory Specifications
Detailed memory specifications for the Samsung Galaxy Watch3:
Internal
4GB 1GB RAM, 8GB 1GB RAM
Card slot
No
XAR Region Firmware Info
XAR - United States
Cellular South
A 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 XAR code is used in United States by Cellular South, with one Samsung Galaxy Watch3 firmware version known so far.
Samsung Galaxy Watch3 XAR Firmware Archive
Official Samsung Galaxy Watch3 firmware for the United States XAR region, including BL, AP, CP, CSC and HOME_CSC packages for Odin flashing.
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Samsung Galaxy Watch3 Combination & Special Files
Combination and service files for the Samsung Galaxy Watch3 (SM-R855U) — authorized repair, FRP reset after service, and diagnostics.
Device Mobile
Version
Bit - SW REV
FA
Change list
Updated
Status
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XAR Firmware FAQ
Which carriers use the XAR CSC on the Samsung Galaxy Watch3?+
The XAR CSC is used by Cellular South in United States. Flash the XAR firmware only if your device was sold through one of these carriers.
How many Samsung Galaxy Watch3 firmware versions are available for the XAR region?+
Currently one known Samsung Galaxy Watch3 firmware version is available for the XAR (United States) region.
How is the XAR 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. XAR is the code for United States (Cellular South) — flashing a different CSC can change your carrier branding, available languages and which OTA updates you receive.
Samsung Galaxy Watch3 (SM-R855U) — XAR
XAR - United States
Samsung Galaxy Watch3 XAR Firmware Archive
Samsung Galaxy Watch3 Combination & Special Files