Galaxy Tab S12 Ultra firmware, updates & specs | SamFrewTablet · Galaxy Tab
Samsung Galaxy Tab S12 Ultra
Released Aug 2026 · 3 model codes · firmware for 61 CSC regions
- Display size
- 14.6"
- RAM
- 12 GB
- Battery
- 11600 mAh
- Rear camera
- 13 MP + 8 MP
- Storage
- 256 GB · 512 GB · 1 TB
Update policyQuarterly security updatesOn Samsung's current security update list
Security updates untilSep 30, 2033As published by Samsung
Latest firmwareAndroid 17X940XXU1AZH3 · built Aug 10, 2026
One UI and Android versions of the Galaxy Tab S12 Ultra, with the first release of each.
- Aug 2026
Android 17
First firmware build: X940XXU1AZH3 (SM-X940)
As published by Samsung for the SM-X946B; other model codes can differ (chipset, network bands).
Display
- Display size
- 369.9mm (14.6" full rectangle) / 367.2mm (14.5" rounded corners)
- Resolution
- 2960 x 1848 (WQXGA+)
- Display type
- Dynamic AMOLED 2X
Platform
- CPU speed
- 4.21GHz, 3.5GHz, 2.7GHz
- CPU cores
- Octa-Core
Memory
- RAM
- 12 GB
- Storage
- 256 GB
- Card slot
- MicroSD (Up to 2TB)
Camera
- Rear camera
- 13.0 MP + 8.0 MP
- Front camera
- 12.0 MP
- Video recording
- UHD 4K (3840 x 2160) @60fps
Battery
- Battery
- 11600 mAh
- Charging
- 20 | 45 W
Body
- Dimensions
- 208.5 x 326.3 x 5.1 mm
- Weight
- 695 g
- Form factor
- Tablet
Connectivity
- 5G bands
- N1(2100), N2(1900), N3(1800), N5(850), N7(2600), N8(900), N12(700), N20(800), N25(1900), N26(850), N28(700), N66(AWS-3), N71(600); N38(2600), N40(2300), N41(2500), N77(3700), N78(3500)
21 countries
Firmware22 CSCs · 24 builds
Latest buildX940XXU1AZH3 · Aug 10, 2026
SM-X946N · Galaxy Tab S12 Ultra 5GSold in
South KoreaFirmware1 CSC · 1 buildsLatest buildX946NKOU1AZH3 · Aug 10, 2026→ SIMSIM 1 + Embedded SIM + MicroSD; Dual-SIM Wi-Fi802.11a/b/g/n/ac/ax/be 2.4GHz+5GHz+6GHz, EHT320, MIMO, 4096-QAM PositioningGPS, Glonass, Beidou, Galileo, QZSS Software
- Security updates until
- 30 September 2033
Hungary
Ireland
Italy
Latvia
Lithuania
Netherlands
North Macedonia
Norway
Poland
Portugal
Romania
Russia
Serbia
Slovakia
Slovenia
Spain
SwedenSwitzerland 
Türkiye
Ukraine
United KingdomAsia-Pacific18
Australia
Bangladesh
Hong Kong SAR China
India
Indonesia
Japan
Kazakhstan
Malaysia
Mongolia
Myanmar (Burma)
New Zealand
Pakistan
Philippines
Singapore
Taiwan
Thailand
Uzbekistan
Vietnam
Americas11
Argentina- Brazil
- Canada
Chile
Colombia
Mexico
Panama
Paraguay
Peru
United States
Uruguay
Middle East & Africa9
Egypt
Iran
Iraq
Israel
Jordan
Lebanon
Saudi Arabia
South Africa- United Arab Emirates
Albania
Austria
Azerbaijan
Belgium
Bosnia & Herzegovina
Bulgaria
Croatia
Czechia
Denmark
Estonia
Finland
France
Greece
