Samsung Galaxy A51 128GB Black Unlocked Smartphone – Renewed

Product Overview

The Samsung Galaxy A51 identified by ASIN B08H8DH3RM is a renewed, unlocked smartphone from Samsung’s Galaxy A series. The referenced configuration is associated with the Galaxy A51 A515U family, 128GB of internal storage, a black finish, and LTE cellular connectivity.

The Galaxy A51 uses a 6.5-inch Full HD+ Super AMOLED Infinity-O display with a resolution of 1080 × 2400 pixels. Its rear camera system combines a 48MP main camera, 12MP ultra-wide camera, 5MP macro camera, and 5MP depth camera. A 32MP camera is positioned in the display for front-facing photography and video.

Power is supplied by a 4,000mAh typical battery with support for 15W fast charging. Other documented features include USB Type-C, Wi-Fi, Bluetooth, NFC, location services, an on-screen fingerprint sensor, facial recognition, and microSD storage expansion.

This particular commercial configuration is renewed rather than factory-new. Cosmetic condition, remaining battery capacity, packaging, accessories, and warranty terms can therefore differ between individual units. Conflicting public information concerning the RAM specification of the referenced renewed A515U listing has been omitted rather than reconciled by assumption.

Product Information

Identification

Physical

Product Identifier Summary

• Model Number: The model number distinguishes a hardware or regional version within the Galaxy A51 family. It is commonly used for firmware, carrier compatibility, repair information, cases, and replacement parts.
• MPN: A manufacturer part number identifies a specific manufacturer-defined commercial configuration. An exact MPN for this renewed listing was not included because it could not be verified without ambiguity.
• UPC: A UPC is a 12-digit retail barcode used for catalog and inventory identification. A reliably verified UPC for this exact renewed configuration was not established.
• EAN: An EAN is an international retail barcode used to identify commercial products. No independently verified EAN is included for this exact renewed configuration.
• GTIN: GTIN is the global identification framework that includes barcode formats such as UPC and EAN. A verified GTIN for this exact renewed configuration was not established.
• ASIN: B08H8DH3RM identifies the referenced renewed Galaxy A51 commercial listing.
• ISBN: ISBN identifiers are intended for books and certain publications and do not apply to smartphones.

Common Uses

• Voice calls and text messaging.
• LTE mobile internet access.
• Email and web browsing.
• Social and communication applications.
• Photography and video recording.
• Streaming music and video.
• Navigation and location-based applications.
• Video conferencing.
• Mobile productivity applications.
• Contactless functions supported through NFC.
• Mobile gaming.
• Media storage on internal or microSD storage.

Maintenance and Care

Clean the display and exterior with a soft, dry, lint-free cloth. Abrasive cleaners, excessive liquid, and sharp objects can damage the screen or exterior surfaces.

Keep the USB Type-C connector, speaker openings, microphone openings, SIM tray, and memory-card area free of dust and debris. Cables should be inserted and removed without excessive sideways pressure on the connector.

Use charging equipment compatible with the phone’s charging requirements. Excessive heat can accelerate lithium-ion battery aging, so the phone should not be stored for extended periods in high-temperature environments.

Important photographs, contacts, authentication data, and other files should be backed up regularly. A renewed device may have an unknown previous usage history, making backup and battery-condition monitoring particularly relevant.

Software and security updates should be installed when available for the exact model and carrier configuration.

Safety Information

• The Galaxy A51 contains a non-removable rechargeable lithium-ion battery.
• Do not puncture, crush, burn, or intentionally disassemble the battery.
• Stop using the device if the battery becomes swollen, damaged, or unusually hot.
• Use compatible charging equipment and undamaged charging cables.
• Keep the device away from excessive heat and open flame.
• No verified IP water- or dust-resistance rating is included for the Galaxy A51 LTE model.
• Avoid immersion and significant moisture exposure.
• Small components such as Nano-SIM and microSD cards should be kept away from young children.

Technical Specifications

Product History

Samsung announced the Galaxy A51 in December 2019 as part of a new generation of Galaxy A-series smartphones. Broader regional launches followed during 2020, including the LTE version sold in North America.

The Galaxy A51 followed the Galaxy A50 and retained Samsung’s midrange A-series positioning while changing the display design and camera system. Its Infinity-O screen replaced the previous generation’s small display notch, while the rear camera system expanded to four cameras.

The Galaxy A51 LTE originally shipped with Android 10 and Samsung’s One UI software. Samsung subsequently released operating-system and security updates for supported versions of the device.

The Galaxy A52 family succeeded the Galaxy A51 generation in 2021. Samsung also produced separate Galaxy A51 5G variants, which should not be confused with the LTE SM-A515 family represented by the referenced product.

Key Features

• 6.5-inch Full HD+ Super AMOLED Infinity-O display.
• 1080 × 2400 display resolution.
• 128GB internal storage in the referenced configuration.
• microSD storage expansion.
• 48MP primary rear camera.
• 12MP ultra-wide rear camera.
• 5MP macro rear camera.
• 5MP depth rear camera.
• 32MP front-facing camera.
• 4,000mAh typical battery.
• 15W fast charging.
• USB Type-C connection.
• 4G LTE cellular connectivity.
• Wi-Fi connectivity.
• Bluetooth connectivity.
• NFC functionality.
• On-screen fingerprint authentication.
• Face recognition.
• Samsung Knox security platform.
• 3.5mm headphone connection.

Package Contents

• Samsung Galaxy A51 smartphone.
• Charging cable.
• Compatible charging adapter supplied with the referenced renewed configuration.

The referenced product is renewed and may use non-retail packaging. Accessories associated with the original factory-new Galaxy A51 package should not be assumed to be included unless specifically documented with the individual renewed unit.

Compatibility

The referenced Galaxy A51 is identified as an unlocked LTE device. Cellular service still depends on the exact model, supported frequency bands, wireless carrier, SIM provisioning, service plan, and network coverage.

The A515U family supports GSM, UMTS, and LTE cellular technologies. Compatibility should be verified with the intended carrier using the device model and IMEI before activation because unlocked status alone does not guarantee support on every network.

The device accepts a Nano-SIM. A compatible microSD card can be used to expand file storage beyond the built-in capacity, subject to the documented maximum supported capacity.

Bluetooth accessories such as headphones, speakers, keyboards, and compatible wearable devices can be paired through supported Bluetooth profiles. Wi-Fi provides local wireless-network connectivity.

The USB Type-C connection supports charging and compatible data-transfer functions. USB accessories should meet the phone’s Android and hardware compatibility requirements.

Cases and fitted screen accessories should be designed specifically for the Galaxy A51 LTE body. Accessories made for the Galaxy A51 5G may differ because the two devices do not share identical dimensions and hardware layouts.

Frequently Asked Questions

What does B08H8DH3RM identify?

B08H8DH3RM identifies the referenced renewed Samsung Galaxy A51 listing with 128GB storage, a black finish, and unlocked cellular status.

Is B08H8DH3RM a new phone?

No. The referenced commercial configuration is renewed rather than factory-new. Previous usage, cosmetic condition, battery wear, packaging, and included accessories can therefore vary.

What model family is associated with this phone?

The referenced listing identifies the Galaxy A51 A515U family. The exact model shown in the device settings should be used when checking firmware, carrier compatibility, replacement parts, or service information.

Is this the Galaxy A51 5G?

No. The referenced A515U model family belongs to the LTE Galaxy A51 line. Galaxy A51 5G devices use different model designations and different internal hardware.

How much internal storage does it have?

The referenced configuration contains 128GB of internal storage. The amount available to the user is lower because the operating system, system files, applications, and updates consume part of the total capacity.

Can storage be expanded?

Yes. The Galaxy A51 supports compatible microSD cards for additional file storage.

Can applications always be moved to the microSD card?

No. Android and individual applications determine whether application data can be moved to external storage. A microSD card should therefore not be treated as a direct replacement for internal application storage.

How much RAM does B08H8DH3RM have?

A RAM value is not stated here because reliable public sources conflict for the exact renewed A515U configuration. The installed amount can be checked through the device software or hardware-identification tools.

What type of screen does the Galaxy A51 use?

The Galaxy A51 uses a Super AMOLED Infinity-O panel. The centered opening near the top of the display contains the front-facing camera.

Does it have a fingerprint reader?

Yes. The Galaxy A51 uses an optical fingerprint sensor positioned beneath the display.

Does it support facial recognition?

Yes. Facial recognition is available as a device-unlock option.

How many rear cameras does the Galaxy A51 have?

The phone has four rear cameras serving wide-angle, ultra-wide, macro, and depth functions.

What is the macro camera used for?

The macro camera is designed for close-range photography of small subjects. It is separate from the primary wide-angle and ultra-wide cameras.

What is the depth camera used for?

The depth camera provides scene-depth information used by supported portrait and background-separation functions rather than functioning as a conventional general-purpose camera.

Does the Galaxy A51 have an ultra-wide camera?

Yes. The rear camera system includes an ultra-wide camera with a documented 123-degree field of view.

Does the phone support 5G?

No. The A515U Galaxy A51 belongs to the LTE generation. Separate Galaxy A51 5G models were produced with different hardware.

Does it support Wi-Fi?

Yes. The Galaxy A51 includes Wi-Fi connectivity for compatible wireless networks.

Does it support Bluetooth?

Yes. Bluetooth connectivity supports compatible wireless accessories and peripherals.

Does it have NFC?

Yes. NFC is supported on applicable Galaxy A51 configurations and can be used by compatible services and applications.

Does it use USB-C?

Yes. Charging and wired data functions use a USB Type-C connector.

Does it have a headphone jack?

Yes. The Galaxy A51 includes a 3.5mm audio connector for compatible wired headphones and headsets.

Does it support wireless charging?

Samsung does not document built-in Qi wireless charging for the Galaxy A51 LTE. Charging is performed through the USB Type-C connection.

Does it support fast charging?

Yes. Samsung specifies 15W wired fast charging for the Galaxy A51.

Is the battery removable?

No. The rechargeable battery is integrated into the phone and is not designed for routine user removal.

Is the Galaxy A51 waterproof?

No verified IP water-resistance certification is specified for the Galaxy A51 LTE. It should therefore be protected from immersion, rain, and significant moisture exposure.

What version of Android originally came with the phone?

The Galaxy A51 generation launched with Android 10 and Samsung’s One UI software. A used or renewed unit may already contain a later supported software version.

Can the phone be factory reset?

Yes. Android provides a factory-reset function that removes user data and restores software settings. Important files and account information should be backed up before performing a reset.

Will an unlocked Galaxy A51 work with every carrier?

No. Unlocked status removes a carrier lock but does not create support for cellular bands or technologies absent from the hardware. The model and IMEI should be checked with the intended carrier before activation.

What should be checked when identifying a renewed Galaxy A51?

The model number, IMEI, storage capacity, software version, display condition, battery behavior, cameras, charging connector, cellular activation status, and account-lock status are useful identification and condition checks.

What warranty applies to B08H8DH3RM?

Warranty and return coverage for renewed units can depend on the refurbisher, seller, transaction date, and sales channel. A universal manufacturer warranty for every unit represented by this renewed listing should not be assumed.

Buying Considerations

• Confirm that the phone is the Galaxy A51 LTE rather than the separate Galaxy A51 5G model.
• Check the exact model number in the device settings before evaluating carrier compatibility.
• Verify the IMEI with the intended carrier before cellular activation.
• Recognize that B08H8DH3RM represents a renewed configuration rather than a factory-new device.
• Battery capacity can decline with age and prior charge cycles.
• Inspect the Super AMOLED screen for image retention, discoloration, dead pixels, or touch-response problems on a renewed unit.
• Check the USB Type-C connector for secure charging and data connectivity.
• Test the main, ultra-wide, macro, depth, and front cameras when evaluating device condition.
• Verify that the phone is free from previous-user account locks before setup.
• Confirm the installed RAM through the device itself because published information for the referenced renewed configuration is inconsistent.
• The Galaxy A51 LTE does not provide 5G cellular connectivity.
• The phone does not have a verified IP water-resistance rating.
• Storage can be expanded with microSD, but external storage does not function identically to internal storage.
• Warranty terms for a renewed phone may differ from the original new-device warranty.

Customer Feedback Summary

This section is a generalized summary of recurring themes reported in publicly available owner discussions and independent evaluations. These observations are not verified specifications and can vary considerably between individual renewed devices.

The Super AMOLED display is frequently identified as a positive characteristic of the Galaxy A51. Owners commonly mention its color reproduction, contrast, and 6.5-inch screen size when using the phone for video, photographs, web browsing, and everyday applications.

The four-camera system also receives attention for its range of focal and shooting options. The primary and ultra-wide cameras are generally viewed as the most useful parts of the system, while the macro and depth cameras serve more specialized functions.

Expandable microSD storage and the presence of a 3.5mm headphone connection are recurring practical advantages for users who store local media or continue to use wired audio equipment.

Performance receives more mixed feedback. The Galaxy A51 was designed as a midrange device, and demanding games, extensive multitasking, or newer software can place greater demands on its older hardware than ordinary messaging, browsing, streaming, and communication applications.

Battery experiences vary with age and previous use. This is particularly important for renewed units because battery condition depends on prior charge cycles, operating temperatures, storage conditions, and refurbishment practices.

Renewed-device feedback is less uniform than feedback for factory-new phones. Customers sometimes report differences in cosmetic condition, battery endurance, packaging, charging accessories, or previous repair history, making individual-unit inspection important for evaluating condition.

Related Products

• Samsung Galaxy A50: Previous-generation model in the Galaxy A-series line.
• Samsung Galaxy A51 5G: Separate 5G version with different internal hardware and model numbers.
• Samsung Galaxy A52: Later-generation successor to the Galaxy A51.
• Samsung Galaxy A52 5G: 5G-capable successor in the Galaxy A family.
• Samsung Galaxy A71: Larger contemporary A-series model from the same product generation.
• Samsung Galaxy A21: Another A-series smartphone released during the same general period.
• Samsung Galaxy A32: Later Galaxy A-series model positioned below the A5x family.

Last Updated

August 7, 2026