Samsung One UI 9 Complete Guide: 19 Devices at End of Life, Rollout Schedule & New Z Fold 8 Controversies

One UI 9 Features & Beta Timeline

One UI 9 introduces a refined design language, expanded privacy controls, and heavy productivity-focused updates . Samsung launched the One UI 9 beta program on May 12, 2026, for the Galaxy S26 series in select markets including Germany, India, South Korea, Poland, the UK, and the US . By July 2026, Samsung had released four beta updates for the S26 series .

Expected Rollout Timeline to Existing Devices

Samsung has not published an official rollout timeline , but multiple reliable sources based on the company's update policy and beta development lists point to the following sequence :

• Late July – Early August 2026: Galaxy S26 series (within 1–2 weeks of Unpacked)
• August 2026: Galaxy S25 series, Galaxy S24 series, Galaxy Z Fold 7, Galaxy Z Flip 7
• September 2026: Galaxy S23 series, Galaxy Z Fold 6, Galaxy Z Flip 6, Galaxy Tab S11, Tab S10 series
• October–November 2026: Galaxy Tab S9 series, Galaxy A56/A55/A54, Galaxy S23 FE
• Q1 2027: Galaxy A-series mid-range, M-series, F-series, and Galaxy Tab A9 series

Devices eligible for One UI 9 range from the Galaxy S23 generation onward (S23 through S26 series), foldables from the Z Fold 5 / Z Flip 5 generation onward, and select A, M, and F series models . Devices that will not receive One UI 9 include the Galaxy S22 series, Galaxy S21 FE, Galaxy Z Fold 4, Z Flip 4, Tab S8 series, Galaxy A53, and A33 — these have reached the end of their major OS update cycles .

19 Devices Getting One UI 9 as Their Final Major OS Upgrade

According to a detailed report from August 7, 2026, the following 19 devices are guaranteed to receive One UI 9.0 (Android 17) but will not be eligible for Android 18 :

Source consolidation: The total exceeds 19 when all size variants (+, Ultra, FE) are counted individually, consistent with tracker reports .

These devices were released in 2023 with a promise of 4 major OS upgrades, and One UI 9 marks their fourth and final major update .

Galaxy Z Fold 8 & Z Fold 8 Ultra: Pricing and Aspect Ratio Controversy

Samsung split its high-end foldable lineup into two distinct models for 2026, generating significant discussion.

Pricing (all US prices)

• Galaxy Z Fold 8 ("Wide"): Starts at $1,899 — a wider, passport-sized design with a new 4:3 unfolded aspect ratio
• Galaxy Z Fold 8 Ultra: Starts at $2,099 — retains the traditional book-style fold form factor, up $100 from the Z Fold 7
• Galaxy Z Flip 8: Starts at $1,199 — up $100 from the Z Flip 7

The Z Fold 8 Ultra tops out at $2,700 for the 1TB model . The Korea Times reported price increases of 8.3% to 17.7% compared to the Z Fold 7 launch prices .

The 4:3 Aspect Ratio Debate

The base Z Fold 8 moves to a 4:3 main display (7.6 inches unfolded) and a 10:16 cover display (5.5 inches) . Samsung markets this as "perfect for full-screen video" and a better experience for content consumption .

However, multiple reviewers have pointed out that 4:3 is actually worse for widescreen video (16:9 or 21:9 content). 9to5Google tested the device and found that the usable screen area for movies is nearly identical to the Z Fold 8 Ultra and the Z Fold 7, with large black bars on all sides of video content . The Verge described Samsung's naming strategy as "a sly trick to get around this year's inevitable price hikes" — the "Ultra" badge helps justify the higher price on the traditional form factor, while the "Wide" Fold 8 feels "less like a sequel and more like a spinoff" with stripped-back cameras . CNBC noted the over-$2,000 Ultra price tag would be a "talking point" .

Foldable Market Growth Outlook (2026–2035)

Multiple analyst firms project strong near-term growth for the foldable smartphone market:

• Counterpoint Research: Global foldable market to grow 21% year-over-year in 2026. Samsung's market share is expected to drop from 40% to 32% as Apple enters the market .
• SmartAnalytics Group (SAG): Forecasts 30%+ YoY shipment growth in both 2026 and 2027, calling it the start of a "super growth cycle" . Q2 2026 shipments were 3.4 million units (down 2% YoY, but significantly outperforming the broader smartphone market which declined 8%) .
• IDC: Projects foldables will represent over 10% of total smartphone market value by 2029 .
• Omdia: Forecasts foldable shipments to grow 50% YoY in 2026 after a flat 2025 .
• Long-term forecasts: CAGR estimates range from 13.5% to 39.26% depending on the source and base year, with market sizes projected at $100+ billion by the mid-2030s .

Key trend: Book-type foldables (large-screen devices like the Z Fold series) are expected to reach 65% of foldable shipments in 2026, up from 52% in 2025 .

Apple's Anticipated Foldable iPhone

Apple's first foldable iPhone is widely expected to launch in late 2026. Analysts project it will capture an estimated 25% market share in its debut year, significantly disrupting Samsung's dominance . Multiple sources (Counterpoint, IDC, SAG) agree that Apple's entry will reshape the competitive landscape, with Samsung, Huawei, and Apple forming the top three . SAG expects Apple to become the market leader by 2027 . The foldable iPhone is seen as a major catalyst for the "super growth cycle" forecast for 2026–2027 .

Samsung Rollable Device (2027–2028)

While industry speculation has long pointed to Samsung developing a rollable or extendable-display device, the available sources do not contain specific, citable rumors or confirmed timelines for a Samsung rollable product launching in 2027–2028. As of August 2026, no authoritative source could confirm this development timeline.