**Samsung** has released **4th beta** of **One UI 8.5** (which is based on **Android 16 QPR2**) for **Galaxy S25 series** (S25, S25+, S25 Ultra) in regions like US, South Korea, India, Germany, and UK. The ~1.5GB update (firmware ends in ZZAL) includes the February 2026 security patch and fixes call audio glitches (e.g., auto-speakerphone, Bluetooth one-sided audio), Phone app glitches, and issues with the AI Select menu after copying content. It focuses on performance, stability and minor improvements before the stable version.
Stable **One UI 8.5** is expected to arrive along with the launch of **Galaxy S26 series** at Samsung’s Galaxy Unpacked event (probably in San Francisco) on February 25, 2026**. The S26 lineup (S26, S26+, S26 Ultra) will come pre-installed with One UI 8.5, with it rolling out to older eligible devices sometime later. Beta 5 may arrive for S25 users before the stable update.
**Expected Features** include improved **Galaxy AI** tools (productivity boosts like advanced photo/video editing, smarter voice commands, and real-time assistance), improved multitasking, redesigned Quick Share and Secure Folder, new lock screen options (e.g., ‘Hide Content’), smoother animations, partial screen recording, improved battery management, and Includes fixes for Call/Bluetooth/AI Select bugs. It emphasizes privacy, performance, and seamless ecosystem integration.
**Eligible Devices** (based on One UI 8 eligibility, after One UI 8.5) include flagship and mid-range models: Galaxy S25 series (Ultra, +, Edge, standard, FE), S24 series, S23 series, some S22/S21 FE, Galaxy Z Fold 7/6, Z Flip 7/6, and individual A-series (e.g., A56, A55, A35), M-series, and tablets. Older flagships like the S22 series may get this as their last major feature update. New devices will be prioritized in the rollout, and will be expanded gradually.
**How to download and install** (when available): Go to **Settings > Software Update > Download and Install**. If available, tap **Install Now** or schedule it. The device will download, install and restart. Beta users enroll through the Samsung Members app; Stable updates arrive automatically OTA for eligible models.
The update builds on One UI 8’s AI focus, promising a better, efficient experience. Check Samsung Members or official site to check the status of your device.
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