This specs-focused overview looks at the Galaxy A51 from a practical current-buyer angle, especially for readers comparing used, refurbished, or budget replacement phones where screen quality, software limits, battery condition, and network support matter more than launch hype.

Full Specifications

Network

Launch

Body

Display

Platform

Memory

Main Camera

Selfie camera

Sound

Comms

Features

Battery

Misc

Our Tests

Price and Availability

The Samsung Galaxy A51 offers a compelling combination of features and performance. While the base price is around €100, the actual cost may vary depending on your location and retailer. Below, you’ll find the approximate price of the Samsung Galaxy A51 converted into various currencies. Please note that these are estimates based on recent exchange rates as of September 13, 2026 and may not reflect the exact price you’ll find at a retailer.

• United States: $116
• Japan: ¥17,848
• United Kingdom: £86
• Australia: A$162
• Canada: C$161
• Taiwan: NT$3,667
• Denmark: kr747
• Saudi Arabia: ﷼435
• South Korea: ₩155,972
• Germany: €100
• Brazil: R$592
• Vietnam: ₫3.005.208
• Kenya: KSh 15,048
• India: ₹11,084
• Indonesia: Rp 2.039.519
• Nigeria: ₦158,211
• Pakistan: ₨32,236
• Philippines: ₱7,268
• Bangladesh: ৳১৪,৩০৭

Value in 2026

The Galaxy A51 now sits in the older-budget segment, so its value depends heavily on condition, battery health, storage variant, and regional LTE compatibility. It is not a modern performance phone, and it does not include 5G, but it can still make sense for buyers who want a recognizable Samsung interface, a bright OLED panel, NFC, USB-C, a headphone jack, and microSD expansion without chasing flagship hardware.

The strongest value argument is balance. Many cheap phones use weaker displays, omit NFC, or cut storage flexibility. The A51 keeps several quality-of-life features together in one lightweight package. The weaker side is long-term support and speed: the Exynos 9611 was mid-range even at launch, and app expectations have moved on since 2019.

Design and Build

At 158.5 x 73.6 x 7.9 mm and 172 g, the Galaxy A51 remains easy to handle for a 6.5-inch phone. The thin profile and moderate weight are part of its appeal, especially compared with newer budget phones that often feel thicker because of larger batteries. The body uses a Gorilla Glass 3 front with a plastic back and plastic frame, so it should be treated as a lightweight practical build rather than a premium glass-and-metal design.

The Prism Crush color options give the phone a more distinctive look than many plain entry-level devices. The in-display optical fingerprint sensor also helps the A51 feel more modern than rear-mounted scanner designs, though older optical sensors can be slower than current side-mounted or ultrasonic alternatives.

Display Quality

The display is the Galaxy A51’s headline strength. The 6.5-inch Super AMOLED panel has a 1080 x 2400 resolution, a tall 20:9 aspect ratio, and about 405 ppi density, which is still sharp for reading, streaming, and everyday use. Samsung’s official specifications list the A51 with a 6.5-inch FHD+ Super AMOLED display, and measured reviews have generally treated the panel as one of the device’s best features.

The source test data lists 636 nits maximum measured brightness, while independent measurements vary by method. In real use, the important point is that this screen should feel more vivid and contrast-rich than most LCD-based budget phones. Buyers who watch video, browse photos, or read often may find the display a better reason to choose the A51 than the processor or charging speed.

Performance and Storage

The Galaxy A51 runs on Samsung’s Exynos 9611 chipset with an octa-core CPU and Mali-G72 MP3 graphics. It is suitable for messaging, web browsing, maps, social apps, email, and media playback, but it is not a strong choice for heavy gaming or long multitasking sessions. The source performance scores, including AnTuTu v8 around 175k and GeekBench 5.1 around 1294, underline its older mid-range position.

Storage flexibility is a more positive story. The phone was offered in multiple RAM and storage versions, from 64GB configurations to 256GB variants, and it includes a dedicated microSDXC slot. That dedicated card slot matters for budget buyers because it allows local music, offline video, photos, and documents without sacrificing a SIM slot on supported dual-SIM models.

Camera Use

The rear camera setup is led by a 48 MP wide camera with PDAF, supported by a 12 MP ultrawide camera, a 5 MP macro camera, and an auxiliary sensor. The combination is useful in good light because it gives the phone more framing options than a simple single-camera budget device. The 123-degree ultrawide camera is especially useful for travel scenes, interiors, and group shots.

Video support is also respectable for the class, with 4K recording at 30 fps and 1080p modes including high-frame-rate capture. Gyro-EIS support helps, but expectations should stay realistic: newer phones have better processing, stronger night modes, and more stable video pipelines. The 32 MP selfie camera is a useful advantage for video calls and social photos, with 4K recording also listed for the front camera.

Battery and Charging

The 4000 mAh battery was mainstream for its generation and still looks reasonable on paper because the chipset and 60 Hz display are not power-hungry by modern standards. The source test data gives an old endurance rating of 86 hours, which suggests solid standby and mixed-use behavior when the battery is healthy.

The caution is age. A Galaxy A51 bought today is likely to have gone through several years of charging cycles unless the battery has been replaced. Charging is limited to 15W wired, so it is convenient enough for overnight charging but not fast by current standards. There is no mention of wireless charging in the supplied data, so buyers should not expect it.

Software Experience

The Galaxy A51 launched with Android 10 and is listed as upgradable to Android 13 with One UI 5. That is a useful ceiling for an older Samsung phone because One UI 5 still feels familiar to many current Samsung users and includes modern interface conventions, privacy controls, and app compatibility improvements compared with the launch software.

The limitation is future support. As a discontinued model, the A51 should be treated as a phone near or beyond the end of its mainstream update life, depending on region and carrier. For banking, work profiles, and security-sensitive use, buyers should check the exact software patch level before relying on it as a primary device.

Connectivity and Network

The Galaxy A51 supports GSM, HSPA, and LTE, with broad 4G band coverage in the supplied global list and a specific SM-A515U band set for the U.S. market. That makes model number important. A used imported unit may not support the same bands as a carrier-specific U.S. model, so buyers should match the model code against their operator before purchase.

Everyday connectivity is well rounded: dual-band Wi-Fi 802.11 a/b/g/n/ac, Bluetooth 5.0, GPS with multiple satellite systems, NFC, FM radio, USB Type-C 2.0 with OTG, ANT+, and a 3.5 mm headphone jack. That mix is one of the A51’s underrated advantages, especially for users who still want wired audio or contactless payments on a low-cost Samsung phone.

Who Should Buy It

The Galaxy A51 is best for light to moderate users who prioritize display quality, expandable storage, Samsung’s interface, and familiar hardware features over speed. It can be a sensible secondary phone, student phone, media device, travel backup, or low-cost replacement if the battery is healthy and the price is right.

It is not the best fit for buyers who need 5G, long future updates, demanding gaming, fast charging, or flagship-grade camera processing. In direct comparison with newer budget phones, the A51’s strongest argument is not raw performance; it is the combination of OLED display, slim design, microSD, NFC, and headphone jack.

References

• Samsung official Galaxy A51 support and specifications
• Samsung News U.S. Galaxy A Series launch information
• Notebookcheck Samsung Galaxy A51 review and measurements
• PhoneArena Samsung Galaxy A51 review
• Source catalog data for Samsung Galaxy A51

Conclusion

The Samsung Galaxy A51 remains appealing when judged as an affordable used LTE phone with a sharp Super AMOLED screen, expandable storage, NFC, a headphone jack, and a versatile camera layout. Its processor, update outlook, and 15W charging are the main compromises. Buy it only in good condition, with the right model for your network, and preferably with a healthy or replaced battery.

The post Samsung Galaxy A51: Full Specifications appeared first on specs.kittycracks.com.

With a 4.0-inch Super AMOLED display, 1.0 GHz Cortex-A8 processor, 16GB of fixed storage, NFC, and a removable 1500 mAh battery, the Nexus S is best understood as a historic reference device for early Android design and software direction.

Full Specifications

Network

Launch

Body

Display

Platform

Memory

Main Camera

Selfie camera

Sound

Comms

Features

Battery

Misc

Our Tests

Price and Availability

The Samsung Google Nexus S offers a compelling combination of features and performance. While the base price is around €170, the actual cost may vary depending on your location and retailer. Below, you’ll find the approximate price of the Samsung Google Nexus S converted into various currencies. Please note that these are estimates based on recent exchange rates as of July 26, 2026 and may not reflect the exact price you’ll find at a retailer.

• United States: $193
• Japan: ¥31,683
• United Kingdom: £145
• Australia: A$277
• Canada: C$272
• Taiwan: NT$6,257
• Denmark: kr1.268
• Saudi Arabia: ﷼725
• South Korea: ₩283,243
• Germany: €170
• Brazil: R$982
• Vietnam: ₫5.082.697
• Kenya: KSh 25,079
• India: ₹18,678
• Indonesia: Rp 3.464.061
• Nigeria: ₦263,364
• Pakistan: ₨53,732
• Philippines: ₱11,960
• Bangladesh: ৳২৩,৮৭২

Why Should You Buy the Samsung Google Nexus S?

The strongest reason to consider the Samsung Google Nexus S today is not raw performance. It is a clean, historically important Android experience in a compact body. As a Nexus device, it represented Google’s preferred direction for Android at the time, with Samsung providing the hardware and display technology. For collectors, Android historians, and users who enjoy older phones as secondary devices, that makes it more interesting than many ordinary 2010-era smartphones.

Its appeal is narrow but clear. The Nexus S offers a small 129 g body, a removable battery, a headphone jack, NFC, and a Super AMOLED screen at a time when many phones were still transitioning away from basic LCD panels. It is not a sensible main phone for modern app use, mobile banking, or secure everyday communication, but it remains a distinctive classic Android handset.

Design and Build

The Nexus S uses a compact plastic body measuring 123.9 x 63 x 10.9 mm. By current standards, it feels extremely pocketable, especially beside modern 6-inch and larger smartphones. The 129 g weight also makes it light enough for one-handed use, long reading sessions, or use as a dedicated music and offline media device.

The Mini-SIM slot, removable Li-Ion battery, and separate 3.5mm audio jack reflect an older generation of smartphone design. There is no mention of water resistance, premium metal framing, or rugged certification in the supplied data, so buyers should treat surviving units carefully. The black and white color options keep the design simple, and the curved front profile remains one of the phone’s most recognizable visual traits.

Display Quality

The 4.0-inch Super AMOLED display is one of the headline features of the Samsung Google Nexus S. Its 480 x 800 pixel resolution works out to about 233 ppi, which was respectable for its class in 2010. Text and icons will not look as sharp as on modern mid-range or flagship phones, but the panel technology gives it strong contrast and rich color for older content, menus, and media playback.

The screen-to-body ratio of about 58.3% looks dated now because of the larger bezels above and below the display. Still, the compact size has practical advantages. It makes the phone easy to grip, easy to store, and suitable for users who specifically want a small Android device rather than a large modern slab. Oleophobic coating is also listed, though the condition of that coating will depend heavily on the individual used unit.

Performance and Storage

The Hummingbird chipset, 1.0 GHz Cortex-A8 CPU, and PowerVR SGX540 GPU place the Nexus S firmly in early smartphone-era performance territory. It was capable hardware for Android 2.3 and later Android 4.1.2 Jelly Bean, but it should not be compared directly with current budget phones. Modern apps, current web pages, and updated services can be too demanding or unsupported.

The internal configuration is 16GB with 512MB RAM, and there is no card slot. That means storage expansion is not available. For a collector device, testing phone, retro Android launcher, music player, or offline note device, 16GB can still be workable. For app-heavy use, photo storage, or large offline media libraries, the fixed storage and limited RAM are major constraints.

Camera Experience

The main camera is a single 5 MP autofocus unit with LED flash and w480p video recording at 30fps. This is a basic setup by modern standards, but it fits the phone’s original generation. It can document simple scenes in good light, scan older documents in a pinch, and capture the look of early smartphone photography, but it is not designed for night shooting, high-resolution cropping, or social-media-ready video.

The front camera is VGA, so expectations should be modest. It was useful for the early video-call era, but it is far behind current selfie cameras in detail, dynamic range, and low-light quality. Buyers interested in camera performance should see the Nexus S as a historical device, not as a practical camera phone.

Battery Life

The removable 1500 mAh battery is one of the phone’s practical advantages if a healthy replacement battery can be found. The supplied endurance figures list up to 713 hours of standby on 2G, up to 428 hours on 3G, up to 14 hours of 2G talk time, and up to 6 hours 40 minutes of 3G talk time. Those numbers reflect controlled conditions and should not be expected from an aging used unit without a fresh battery.

Because the battery is removable, long-term ownership is less dependent on sealed-device repair work. However, battery quality will vary widely in the used market. For anyone buying the Nexus S now, the battery condition may matter more than the original capacity figure.

Software and Legacy Value

The Nexus S launched with Android 2.3 Gingerbread and is listed here with Android 4.1.2 Jelly Bean, not upgradable to Android 4.2. That software history is central to the phone’s identity. It was a Google-led device made to showcase Android at a turning point, before the platform moved into the modern design and security expectations seen today.

For normal users, the old Android version is the biggest limitation. Many apps will not install, web compatibility can be uneven, and security support is long finished. For enthusiasts, developers, and collectors, that same limitation is part of the appeal: it preserves a clear view of Android’s early interface, app behavior, and Nexus-era update philosophy.

Connectivity and Audio

Network support covers GSM and HSPA, with HSPA speeds listed at 7.2/5.76 Mbps. There is no 4G or 5G support, so carrier compatibility will depend strongly on region and remaining 2G or 3G network availability. In many markets, those networks have been reduced or shut down, making the Nexus S better suited to Wi-Fi use than dependable cellular service.

Wireless features include Wi-Fi 802.11 b/g/n, DLNA, hotspot support, Bluetooth 2.1 with A2DP, GPS with A-GPS, and NFC. NFC was a forward-looking inclusion for its time and remains one of the more interesting parts of the hardware story. The phone also includes a loudspeaker, 3.5mm headphone jack, microUSB 2.0, and no FM radio.

Who Should Buy This Phone?

The Samsung Google Nexus S is best for collectors, retro Android enthusiasts, repair hobbyists, and readers who want to compare early Google phones with later Pixel and Galaxy models. It may also work as a lightweight offline device for music, notes, basic Wi-Fi browsing, or display in a phone collection.

It is not a strong pick for anyone who needs modern app support, reliable cellular coverage, strong cameras, secure banking, current messaging apps, or fast browsing. As a practical daily driver, it is far past its prime. As a compact, historically meaningful Android reference phone, it still has a clear identity.

Conclusion

The Samsung Google Nexus S stands out as a classic Google-Samsung Android phone with a compact body, Super AMOLED display, NFC, removable battery, and clean Nexus identity. Its aging software, limited storage expansion, basic cameras, and 3G-only connectivity make it unsuitable for most modern daily use. Buy it as a collectible or retro Android device, not as a primary smartphone.

References

• Samsung Mobile Press – Nexus S announcement and specifications – Official Samsung launch release with a Nexus S specifications table covering network bands, display, camera, video, connectivity, memory, dimensions, battery, and Android version.
• Official Google Blog – Introducing Nexus S with Gingerbread – Official Google announcement confirming the Nexus S was co-developed with Samsung and launched as the lead Android 2.3 Gingerbread device.
• Samsung Business Support – Google Nexus S Sprint SPH-D720 – Official Samsung support/specs page for the Sprint Nexus S variant, useful for dimensions, display, camera, battery, processor, network, and SAR values.
• Samsung Support UK – GT-I9020 – Official Samsung support page for the GSM GT-I9020 Nexus S model with model identification and official user/owner guide downloads.
• FCC Equipment Authorization Search – Official FCC database for verifying regulatory filings, wireless capabilities, and SAR information for Nexus S model FCC IDs such as A3LGTI9020T and related variants.

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