Samsung's Galaxy Tab S series continues to dominate the premium Android tablet market, with the massive Galaxy Tab S12 Ultra shaping up as the next flagship contender. As of February 15, 2026, leaks from reliable sources like GSMArena, PhoneArena, NotebookCheck, SamMobile, and IMEI database sightings confirm the device is in active development, with model numbers SM-X946 (Tab S12 Ultra) and SM-X846 (Tab S12+) already certified globally.

Samsung Galaxy Tab S12
Samsung Galaxy Tab S12

The Galaxy Tab S12 Ultra is expected to launch in September–October 2026, aligning with Samsung's established annual cycle for flagship tablets. This follows the Galaxy Tab S11 Ultra's release on September 4, 2025 (with availability starting September 20, 2025), maintaining the roughly 12-month refresh pattern seen in recent years.

No official announcement has come from Samsung, which typically unveils new Tab S models at a summer or early fall Galaxy Unpacked event alongside foldables like the Galaxy Z Fold series. Recent reports indicate the Tab S12 lineup—likely consisting of the Tab S12+ and Tab S12 Ultra, skipping a base model—could debut alongside the Galaxy Watch 9, Galaxy Watch Ultra 2, and possibly new Z Fold/Z Flip devices in late summer 2026.

Development Confirmation and Timeline Early February 2026 sightings in global certification databases (GSMA and IMEI listings) provided the first concrete evidence of the Galaxy Tab S12 series. GSMArena reported on February 2 that Samsung is developing the Tab S12+ and Tab S12 Ultra, with no mention of a standard Tab S12, suggesting a return to a "Plus and Ultra" strategy after including a base model in prior generations.

PhoneArena's February 5 update reinforces the September–October 2026 window for both announcement and market release, based on Samsung's consistent schedule. NotebookCheck and SamMobile echoed this, noting the devices will likely appear at a Galaxy Unpacked event focused on foldables and wearables in August or September 2026. Reddit discussions in r/GalaxyTab and YouTube channels speculate a late September debut, with some Indian outlets anticipating availability shortly after.

This timeline positions the Tab S12 Ultra to compete directly with Apple's rumored iPad Pro M5 refresh (potentially mid-2026) and other premium tablets. The staggered development allows Samsung to refine features like AI enhancements under One UI and Android 17 (or later).

Expected Design and Display The Galaxy Tab S12 Ultra is rumored to retain its massive 14.6-inch Dynamic AMOLED 2X display with 120Hz refresh rate, anti-reflective coating, and high brightness (potentially exceeding the Tab S11 Ultra's 1600 nits). Leaks suggest evolutionary changes: a notch-less or under-display camera design for a cleaner look, Grade 5 titanium frame for durability and premium feel, and possibly thinner bezels or reduced thickness (building on the Tab S11 Ultra's 5.1mm profile).

Color options may include Moonstone Gray and Platinum Silver, per early renders and Smartprix listings. The S Pen stylus is expected to return with refinements, including better integration for productivity tasks.

Performance and Hardware Rumors Power comes from Qualcomm's next-gen flagship processor, likely a Snapdragon 8 Elite successor or custom variant optimized for tablets. YouTube leaks and analyst notes highlight up to 24GB RAM (a jump from the Tab S11 Ultra's 12GB–16GB configs), enabling seamless multitasking, DeX mode (laptop-like desktop experience), and advanced AI features.

Storage tiers could range from 256GB to 1TB or higher, with microSD expansion. Battery capacity may increase slightly for all-day use, supported by fast charging (45W+ wired). Connectivity includes Wi-Fi 7, optional 5G, and enhanced cooling for sustained performance during gaming or creative work.

Camera and Productivity Features The Tab S12 Ultra's rear camera setup is expected to mirror or improve on the Tab S11 Ultra's dual-lens system (wide + ultra-wide), with better low-light performance and AI processing. Front cameras may retain the ultra-wide lens for video calls, potentially ditching secondary options for simplicity.

Productivity remains core: Samsung's "Neural DeX" or enhanced DeX software could turn the tablet into a true laptop replacement when paired with a keyboard cover and external display. Galaxy AI integrations—real-time translation, note summarization, and creative tools—will expand on features introduced in 2025 models.

Pricing Expectations Pricing is speculative but likely premium. PhoneArena estimates the Tab S12 Ultra starting around $1,200 for base storage, scaling to $1,600+ for higher configs (matching or slightly above the Tab S11 Ultra's $1,199–$1,619 range). Indian listings on Smartprix peg an expected ₹1,29,990 (about $1,550 USD), reflecting global positioning against the iPad Pro.

Market Context and Competition The Tab S12 Ultra enters a competitive landscape where large-screen tablets challenge laptops. Samsung's focus on productivity, stylus support, and ecosystem integration (with Galaxy phones, watches, and Buds) gives it an edge over iPad Pro in Android users. Rivals include Apple's M-series iPads and emerging foldable tablets.

With the Tab S11 Ultra still fresh (available in Gray and Silver, starting at $1,319.99 for 512GB Wi-Fi), the S12 series represents an incremental but meaningful upgrade in performance, AI, and design polish.

What to Expect Next As spring 2026 unfolds, anticipate more leaks on prototypes, benchmarks, and event invites. Samsung's summer Unpacked could confirm the lineup. For current owners, the Tab S11 Ultra remains a powerhouse, but the Tab S12 Ultra promises to push boundaries further in late 2026.

The Galaxy Tab S12 Ultra's anticipated September–October 2026 arrival solidifies Samsung's commitment to premium tablets. Whether for creators, professionals, or entertainment seekers, it could redefine large-format Android computing.