Samsung Galaxy Note 9

Samsung Electronics

Industry	Consumer electronics
Founded	March 1, 1938 (1938-03-01) in Suwon, South Korea
Headquarters	Suwon , South Korea
Products	Smartphones, tablets, consumer electronics
Website	www.samsung.com

Samsung Galaxy Note9 Overview

The Samsung Galaxy Note9 (marketed as Samsung Galaxy Note9) is a high-end Android phablet smartphone developed and manufactured by Samsung Electronics as part of the Samsung Galaxy Note series. Officially introduced on 9 August 2018 during a Galaxy Unpacked event, it serves as the direct successor to the Samsung Galaxy Note 8. The device launched in six distinct finishes: Ocean Blue, Midnight Black, Lavender Purple, Metallic Copper, Cloud Silver, and Alpine White. Its successor, the Galaxy Note 10, was released on 8 August 2019.

Notably, the Note9 represents the final model in the Galaxy Note lineup to feature a 3.5 mm headphone jack, with the exception of the Note 10 Lite.

History

Prior to its official unveiling, numerous details about the Galaxy Note 9, including its S-Pen capabilities, were disclosed through leaks. On 27 June 2018, Samsung issued invitations for the upcoming Galaxy Unpacked event, featuring an image of a gold-colored S Pen. This teaser confirmed the device's announcement date as 9 August 2018.

A photograph surfaced on 15 July 2018 showing Samsung Electronics co-CEO Koh Dong-Jin using the Galaxy Note 9 publicly. Subsequently, on 2 August 2018, an image of the retail packaging for the Note 9 emerged from Russia, revealing further specifications ahead of the launch.

Display

The Note 9 features a 6.4-inch (160 mm) Super AMOLED display with a resolution of 1440p and an 18.5:9 aspect ratio that extends edge-to-edge. Its front design closely resembles that of the Note 8, incorporating Samsung’s marketed "Infinity Display."

Chipsets

In regions such as North America, China, Hong Kong, Japan, and Latin America, the Note 9 is powered by the Qualcomm Snapdragon 845 SoC. Conversely, the model sold in Australia, the United Kingdom, and other parts of the world utilizes Samsung's Exynos 9810 SoC.

Storage

The device offers storage capacities of either 128 GB or 512 GB. The base 128 GB variant is paired with 6 GB of RAM, while the premium 512 GB version includes 8 GB of RAM, marking it as Samsung’s first flagship smartphone to combine 512 GB of internal storage with 8 GB of memory. Additionally, all configurations support microSD cards up to 512 GB, allowing total expandable storage up to one terabyte when combined with the highest internal capacity.

Battery

Equipped with a substantial 4000 mAh battery, the Note 9 represents a notable enhancement over earlier Galaxy models such as the Note 8 which had a 3300 mAh battery, as well as the Galaxy Note 7 and Note 5 which featured capacities of 3500 mAh and 3000 mAh respectively. Prior to this, only the Active editions of the Galaxy S7 and S8 included batteries of this size.

The device supports rapid wireless charging through the Qi standard. For wired charging, it accommodates fast charging up to 15 watts using Qualcomm Quick Charge 2.0 technology.

Camera

The rear camera setup on the Note 9 mirrors that of both the Note 8 and S9+, consisting of a dual-camera arrangement with a primary wide-angle lens at 12 MP featuring a dual-aperture system (ƒ/1.5-ƒ/2.4), a 1/2.55-inch sensor, and dual-pixel phase detection autofocus (PDAF). The secondary telephoto lens is also 12 MP with an aperture of ƒ/2.4, equipped with a 1/3.6-inch sensor and autofocus, capable of delivering 2x optical zoom alongside up to 10x digital zoom. Both lenses are stabilized optically.

These lenses are positioned horizontally within the rear camera module. Video capture supports up to 4K resolution (2160p) at a maximum frame rate of 60 fps. Slow-motion video recording is available at speeds of up to 240 fps in full HD (1080p) and Super Slow-Mo at up to 960 fps at HD (720p).

The camera software integrates AI-powered scene recognition that can identify twenty distinct scene types and automatically adjusts settings to optimize image quality accordingly.

A distinctive feature alerts users immediately after taking photos if issues such as blinking eyes, blurriness, or a smudged lens are detected.

Exterior

The Note 9 features IP68 certification for resistance against water and dust, and it includes a USB-C port that enables connection to Samsung DeX via a dock using HDMI. It retains a 3.5 mm headphone jack and is equipped with stereo speakers tuned by AKG, which support Dolby Atmos technology.

Unlike the Note 8, the fingerprint sensor on the Note 9 has been repositioned below the camera module, following the design seen in the S9 & S9+ models.

To enhance gaming performance, the device incorporates a water carbon heat pipe cooling system, designed to reduce thermal throttling and allow extended gameplay sessions.

S Pen

The most significant update to the Note 9 is found in its S Pen. It now supports Bluetooth functionality, enabling users to perform various actions by pressing its button—whether single tap, double tap, or press-and-hold—such as navigating slides during presentations or capturing photos. Additionally, Samsung provides an SDK allowing third-party applications to integrate these features. However, Bluetooth capabilities were later removed in the Galaxy S25 Ultra.

The S Pen contains a "battery" in the form of a supercapacitor, which recharges wirelessly when docked inside the phone’s silo. Samsung states that a brief 40-second charge offers up to 30 minutes of active use or approximately 200 button presses.

Software

The Galaxy Note 9 originally launched with Android 8.1 Oreo accompanied by the Samsung Experience 9.5 user interface. In January 2019, it received an upgrade to Android 9 Pie featuring One UI 1.0, followed by the update to Android 10 with One UI 2.0 in January 2020. Subsequent enhancements included One UI 2.1 in June 2020 and One UI 2.5 in October of the same year. The device reached its official end-of-life status on December 13, 2022, with its final software patch released in August 2022.

Although no longer officially supported, unofficial custom versions of One UI exist for the Note 9 series, such as Android 13 paired with One UI 5.1 available through FloydROM, and Android 15 combined with One UI 7 accessible via CornROM.

Reception

In 2018, ZDNet honored the Note 9 as the best smartphone of the year, surpassing competitors like the Google Pixel 3 XL, Apple’s iPhone XS Max, and the OnePlus 6T.

Notebookcheck praised the Note 9 for its durability compared to other flagship models released that year, noting that unlike many contemporaries, it still appears modern and delivers high-end features and performance by current standards. They described it as potentially "the last truly great Android flagship."

By 2025, Android Police reflected that among devoted Samsung users, the Galaxy Note 9 remains a favorite. While the Galaxy Note 4 also garners significant admiration, the Note 9 is regarded as Samsung’s final device that strongly appealed to enthusiasts and continues to maintain a dedicated following with users often replacing batteries and screens to extend its lifespan.

The Note 9 boasts features such as a microSD card slot, a 3.5mm headphone jack, iris scanner, rear fingerprint sensor, and MST payment capability—attributes absent from the Galaxy S25 Ultra, especially since Samsung rebranded the Note line as the Ultra starting with the Galaxy S22.

See also

• Samsung Galaxy S9
• Samsung Galaxy Note 8
• Samsung Galaxy Note series

External links

• Official website