SAMSUNG
SAMSUNG SM-A037UZKDXAA Galaxy A03s 3GB 32GB 6.5" Black cell phones - unlocked
Unlocked 4G LTE smartphone with a 6.5 inch HD+ display, triple rear cameras and a 5000 mAh battery
- Technology4G LTE
- Bands & Frequencies2G GSM GSM850, GSM900, DCS1800, PCS1900 3G UMTS B1(2100), B2
- Mobile FrequenciesWi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
- Form FactorSmart Phones
- ColorBlack
- SIM CardDual SIM Cards
- 5" HD+ display gives room to view content
- Triple 13 MP rear camera captures detailed photos
- 5000 mAh battery supports long usage time
- 3 GB RAM with 32 GB storage handles everyday tasks
- Unlocked 4G LTE works on many carrier networks
Unlocked 4G LTE smartphone for everyday use
The Samsung Galaxy A03s SM-A037UZKDXAA is an unlocked Android handset built for daily communication and media. It supports a broad range of 2G, 3G and 4G FDD LTE bands including B71 at 600 MHz and B41 TDD LTE at 2500 MHz. Dual Nano SIM slots let you manage two numbers on one device. The 6.5 inch PLS TFT LCD shows content at 720 x 1600 HD+ resolution.
Thermals noise and power in normal use
A 5000 mAh non-removable Li-Po battery powers the octa-core processor running at 2.3 GHz and 1.8 GHz alongside 3 GB of RAM. The large capacity is designed to sustain typical daily workloads such as browsing, messaging and video playback at 1080p 30 fps without frequent recharging. Passive cooling keeps the chassis silent during ordinary operation.
Storage capacity and expansion limit
Internal storage is 32 GB with a dedicated microSD slot that accepts cards up to 1 TB. This ceiling determines how many apps, photos and FHD videos you can keep offline. Buyers who need more onboard space or faster internal storage speeds should consider other models.
Highlights
- 5" HD+ display gives room to view content
- Triple 13 MP rear camera captures detailed photos
- 5000 mAh battery supports long usage time
- 3 GB RAM with 32 GB storage handles everyday tasks
- Unlocked 4G LTE works on many carrier networks
Specifications
| Brand | Samsung |
|---|---|
| Series | Galaxy A03s |
| Model | SM-A037UZKDXAA |
| Technology | 4G LTE |
| Bands & Frequencies | 2G GSM GSM850, GSM900, DCS1800, PCS1900 3G UMTS B1(2100), B2(1900), B4(AWS), B5(850), B8(900) 4G FDD LTE B2(1900), B4(AWS), B5(850), B7(2600), B12(700), B13(700), B14(700), B25(1900), B26(850), B66(AWS-3), B71(600) 4G TDD LTE B41(2500) |
| Mobile Frequencies | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| Form Factor | Smart Phones |
| Color | Black |
| SIM Card | Dual SIM Cards |
| SIM Card Type | Nano SIM |
| Secondary SIM Card Type | Nano SIM |
| Sensors | Accelerometer, Barometer, Fingerprint Sensor, Light Sensor, Proximity Sensor |
| Touch Screen | Yes |
| Main Display Size | 6.5" |
| Main Display Resolution | 720 x 1600 (HD+) |
| Main Display Color | 16M |
| Main Display Format | PLS TFT LCD |
| Rear Camera | Triple: 13.0 MP + 2.0 MP + 2.0 MP |
| Flash | LED |
| HD Video Capture | FHD (1920 x 1080)@30fps |
| Auto Focus | Yes |
| Front-Facing Camera | 5 MP |
| Operating System | Android |
| Processor | Octa-core 2.3GHz, 1.8GHz |
| Processor Core | Octa-core |
| Processor Speed | 2.3 GHz, 1.8 GHz |
| RAM | 3GB |
| Storage | 32GB |
| Expansion Slot Type | MicroSD (dedicated slot) |
| Max Storage Expansion | Up to 1TB |
| Wi-Fi Support | 802.11 a/b/g/n/ac 2.4+5GHz |
| Connectivity | Yes |
| USB | USB Type-C 2.0 |
| Audio Connectors | 3.5mm Stereo |
| Bluetooth Support | Bluetooth v5.0 |
| Battery Capacity | 5000mAh |
| Battery Type | Non-removable Li-Po Battery |
| Charging | Fast Charging |
| GPS Integrated | GPS, Glonass, Galileo |
| Audio | Audio Playing Format: MP3, M4A, 3GA, AAC, OGG, OGA, WAV, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA |
| Additional Function | Wi-Fi/GPS |
| Specifications | Video Video Playing Format: MP4, M4V, 3GP, 3G2, AVI, FLV, MKV, WEBM Video Playing Resolution: FHD (1920 x 1080)@30fps Services and Applications Gear Manager: Galaxy Buds Pro, Galaxy Buds Live, Galaxy Buds+, Galaxy Buds2, Galaxy Buds, Galaxy Fit2, Galaxy Fit e, Galaxy Fit, Galaxy Watch4, Galaxy Watch3, Galaxy Watch, Galaxy Watch Active2, Galaxy Watch Active, Gear Fit2 Pro, Gear Fit2, Gear Sport, Gear S3, Gear S2, Gear IconX (2018) |
| Dimensions (H x W x D) | 6.53" x 2.99" x 0.36" |
| Weight | 7.13 oz. |
| Package Contents | Samsung, Galaxy A03s, A037U, 32GB, GSM, CDMA, Unlocked, Android, Smartphone, USA Variant |
| Shipping weight | 0.91 kg |
| Package size | 203 × 102 × 51 mm |
Questions about this item
How do I insert the Nano SIM cards into the dual SIM tray, and which slot do people often confuse?
Use the ejector pin to open the tray, place each Nano SIM with gold contacts facing down, and note that the second slot is a dedicated microSD slot — not a second SIM slot — which is the common mix-up.
What battery maintenance will the 5000mAh non-removable Li-Po cell need over time?
The sealed 5000mAh battery cannot be user-replaced; expect gradual capacity loss after hundreds of charge cycles, so plan for professional service when runtime drops noticeably.
At what point does the octa-core 2.3 GHz / 1.8 GHz processor throttle during sustained heavy use?
Under continuous load the chipset will hit thermal limits first, reducing clock speeds to manage heat before the 3GB RAM becomes a bottleneck.
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