Infinix has officially unveiled its highly anticipated NOTE 50 Series, with the NOTE 50 Pro+ 5G standing as the flagship model that aims to redefine premium smartphone experiences at mid-range price points. The series comprises the NOTE 50, NOTE 50 Pro, the advanced NOTE 50 Pro+ 5G, and two additional 5G models planned for future release. Positioned as a “true flagship” experience, the devices introduce metal construction, periscope camera technology, and integrated AI features at price points starting from $180.
Designer: Infinix
“The NOTE 50 Series marks a milestone in Infinix’s transition to the Gen Beta AI Era. The series embodies our brand-new philosophy of ‘Performance, by design,’ exemplifying what a true flagship should be,” said Weiqi Nie, Product Director of Infinix.
Premium Design and Construction
According to the company, the NOTE 50 Pro+ 5G is the first true-metal frame smartphone under $500. The device features an ArmorAlloy frame—combining Damascus steel and aerospace-grade aluminum—with a polished finish and ergonomically rounded edges.
The engineering incorporates HyperCasting technology, a one-piece die-casting process inspired by automotive design that Infinix claims enhances structural integrity while reducing weight. The ShockAbsorb buffer system provides TÜV SÜD-certified drop resistance, complemented by IP64 dust and water resistance rating.
Available in Titanium Grey, Enchanted Purple, and a special Racing Edition with tri-color stripes and a sapphire crystal power button, the NOTE 50 Pro+ 5G maintains signal strength through its 5.5G Open-Air Network Structure, which the company says enhances reception, WiFi speed, and GPS accuracy.
The device features a 6.78-inch AMOLED display with FHD+ resolution (1080×2436), 93.4% screen-to-body ratio, 144Hz refresh rate, and a peak brightness of 1300 nits. A distinctive Bio-Active Halo lighting system provides visual notifications for calls, charging status, and other alerts.
Performance and AI Capabilities
The NOTE 50 Pro+ 5G is powered by the MediaTek Dimensity 8350 Ultimate chipset, which has 12GB of physical RAM (expandable to 24GB through virtual memory). The device runs on XOS 15, Infinix’s custom Android interface and the company promises monthly updates to enhance functionality.
The smartphone introduces One-Tap Infinix AI∞, activated by long-pressing the power button. This feature provides access to Folax, Infinix’s AI assistant, which offers text recognition, image analysis, translation services, and voice commands.
Folax includes tools like AI Eraser for removing unwanted objects from photos, AI Cutout for effortlessly extracting subjects, AI Writing and AI Note for text assistance, and AI Wallpaper Generator for creating custom designs. AI Mosaic automatically detects and conceals sensitive personal information for enhanced privacy protection.
For gamers, the XBOOST AI game engine provides optimization features, including AI Magic Box for accelerating in-game dialogues and automatically collecting gear, ZoneTouch Master for refining controls based on playing habits, and Magic Voice Changer for modifying voice styles during multiplayer sessions.
A cooling system with a vapor chamber and super graphite layer manages temperatures during extended gaming, while an X-axis linear motor delivers precise haptic feedback.
Advanced Camera System
The camera system includes a primary 50MP camera with Sony’s IMX896 sensor and optical image stabilization, a 50MP periscope telephoto lens with OIS providing 6X lossless zoom and up to 100X digital zoom, and an 8MP ultra-wide camera with 112° field of view.
Video capabilities include 4K recording at up to 60fps and slow-motion capture at up to 240fps (at 1080p). The front camera is a 32MP sensor with an f/2.2 aperture and an 88.9° field of view.
The Instant Double-Tap feature allows users to launch the camera in Street Mode even when the screen is off, designed to ensure photographers never miss a fleeting moment. The camera system is enhanced by Infinix AI∞ RAW processing, which the company claims delivers improved detail and dynamic range, particularly in low-light conditions.
Battery Technology and Charging
Infinix has implemented a 5200mAh silicon-carbon battery with All-Round FastCharge3.0 technology, offering three charging modes: Smart for daily use, Hyper for emergencies (full charge in 32 minutes), and Low-Temperature for extreme conditions.
The device supports 100W wired charging and 50W wireless charging and provides 10W wired and 7.5W wireless reverse charging capabilities. A PowerReserve mode extracts 2.2 hours of talk time or 30 minutes of navigation from just 1% battery.
Infinix guarantees the battery will maintain at least 80% of its original capacity after extended use, addressing concerns about long-term battery degradation that affects many smartphones.
Health Monitoring Integration
The NOTE 50 Pro+ 5G integrates health monitoring features. Users can measure heart rate and blood oxygen levels by placing a finger on the rear sensor without requiring additional wearables.
These health metrics are accessible through the My Health app, which has a convenient pull-down menu for quick access. According to Infinix, the features can also be activated directly via Folax voice commands.
Infinix AI∞ Beta Plan and Ecosystem
The device launch coincides with Infinix’s announcement of its AI∞ Beta Plan, marking the brand’s strategic entry into what they’re calling the “Gen Beta” era of artificial intelligence. This initiative was introduced during Infinix’s first-ever vertical-format event, itself powered by AI technology.
“With the launch of the ‘Infinix AI∞ Beta Plan’, we aim to empower today’s youth, allowing them to experience AI-driven innovation firsthand. This is more than just a product upgrade—it’s a technological revolution that encourages young people to explore, experiment, and push the boundaries of AI’s role in daily life,” said Tony Zhao, General Manager of Infinix.
The AI∞ Beta Plan extends beyond smartphones to an ecosystem of devices, including the AI Ring for health tracking, AI Buds with real-time translation capabilities across 162 languages, and AI Glasses, which combine premium audio with smart assistance.
Infinix even introduced AI Blind Box Figures, collectible toys with AI companions featuring distinct personalities and voices. The company plans to make the AI Ring Pro, AI Glasses, and AI Blind Box available in Q2 and Q3 2025, with additional features to be rolled out throughout the year.
Pricing and Availability
The Infinix NOTE 50 Pro+ 5G is priced at $370, with the standard NOTE 50 starting at $180 and the NOTE 50 Pro at $210. The company says prices and availability will vary based on model and region.
Two additional 5G models are planned for later release, completing the NOTE 50 Series lineup. The NOTE 50 Series will be available globally, with the NOTE 50 Pro+ 5G offered in Titanium Grey, Enchanted Purple, and the special Racing Edition.
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