Samsung Begins One UI 9 Testing Based on Android 17; Check List of Devices
Samsung is aggressively testing its Android 17-based One UI 9 across a wide array of Galaxy devices, including the popular Galaxy A26 and upcoming foldables, with an official debut rumored for July 22, 2026. This extensive internal testing indicates a rapid rollout of the next-gen UI, bringing new features like advanced AI integration and UI enhancements.
Samsung is actively expanding its internal testing of the Android 17-based One UI 9, signaling an imminent official debut for its next-generation user interface. This intensified development includes a broad spectrum of devices, from mid-range smartphones like the Galaxy A26 to upcoming flagships and foldables. The move comes as Google’s stable Android 17 update, which forms the foundation of One UI 9, was officially released on June 16, 2026, for Pixel devices.
Earlier in May 2026, the Galaxy A26, a popular model in segments like the Indian market, received the stable Android 16-based One UI 8.5 update. Now, Samsung has commenced work on One UI 9 for this device, with a test build carrying firmware version A266MUBU9DZF1 already spotted on internal servers. iPhone 18 Pro Max Leaks: Check Launch Date, Specifications, Features and Price.
Expanding Testing to a Diverse Galaxy Lineup
The Galaxy A26, originally announced in March 2025, is far from the only device undergoing One UI 9 testing. Internal builds for numerous other Galaxy smartphones, tablets, and even unreleased models have surfaced, indicating Samsung’s comprehensive approach to the rollout. This includes several devices popular in India, reflecting Samsung's strategic focus on the market.
Key Galaxy Devices with One UI 9 Test Builds (as of July 4, 2026):
- Galaxy A Series: Galaxy A07 (launched August 2025), Galaxy A15 4G, Galaxy A16 (launched October 2024), Galaxy A17 (launched August 2025), Galaxy A24, Galaxy A25, Galaxy A26, Galaxy A34, Galaxy A35, Galaxy A36 (launched March 2025), Galaxy A37 (launched March 2026), Galaxy A54, Galaxy A55, Galaxy A56 (launched March 2025), Galaxy A57 (launched March 2026)
- Galaxy M Series: Galaxy M15, Galaxy M34, Galaxy M35, Galaxy M56 (launched April 2025)
- Galaxy F Series: Galaxy F34 (launched August 2023)
- Galaxy S Series: Galaxy S23, Galaxy S23+, Galaxy S23 Ultra, Galaxy S23 FE, Galaxy S24, Galaxy S24+, Galaxy S24 Ultra, Galaxy S24 FE, Galaxy S25 (launched January 2025), Galaxy S25+, Galaxy S25 Ultra, Galaxy S25 FE (launched September 2025), Galaxy S26 (announced March 2026), Galaxy S26+, Galaxy S26 Ultra
- Galaxy Z Series: Galaxy Z Flip 5, Galaxy Z Fold 5, Galaxy Z Flip 6 (released July 2024), Galaxy Z Fold 6 (released July 2024), Galaxy Z Flip 7 (released July 2025), Galaxy Z Fold 7 (released July 2025), Galaxy Z Flip 8, Galaxy Z Fold 8
- Galaxy Tab Series: Galaxy Tab S10+, Galaxy Tab S10 Ultra, Galaxy Tab S11, Galaxy Tab S11 Ultra, Galaxy Tab Active5 Pro
Notably, the public beta program for One UI 9 is currently exclusive to the Galaxy S26 series, which has already received multiple beta updates.
Anticipated Launch and Key Features
One UI 9 is widely expected to make its official debut on Samsung’s upcoming generation of foldable smartphones – the Galaxy Z Fold 8 and Galaxy Z Flip 8 (and possibly a Galaxy Z Fold 8 Ultra and Z Flip 8 FE). These devices are rumored to be unveiled at a major Samsung Unpacked event scheduled for July 22, 2026, in London. The stable rollout for the Galaxy S26 lineup is anticipated around September 2026.
While specific feature details for One UI 9 are still emerging, expectations point to a blend of Android 17's core enhancements alongside Samsung's proprietary innovations. Confirmed and rumored features include new creative tools for Samsung Notes, the integration of Gemini Intelligence on premium Galaxy models, a revamped Samsung Internet Browser with a new “Ask AI” functionality, potentially powered by Perplexity AI, new ways to activate Bixby, visual tweaks to the UI, such as a darker background for the Now Bar, more squared-off widget corners, improved desktop mode, an easier-to-trigger Lockdown Mode, and the option to block internet access for specific apps. Nothing Phone 4b RCB Edition Unveiled; Check Features and Sale Date.
This broad internal testing suggests Samsung is aiming for a swift and widespread rollout of One UI 9, bringing the latest Android 17 experience and its own suite of enhancements to a vast number of Galaxy users globally, including its significant user base in India.
Disclaimer: AI tools assisted in compiling the foundational data and research for this report. The final content was reviewed, edited and verified by human editors at LatestLY.
(The above story first appeared on LatestLY on Jul 04, 2026 05:37 PM IST. For more news and updates on politics, world, sports, entertainment and lifestyle, log on to our website latestly.com).