Engineering:Samsung Galaxy A03

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Short description: 2021 Android smartphones from Samsung
Samsung Galaxy A03
Samsung Galaxy A03s
Samsung Galaxy A03 Core
BrandSamsung Galaxy
ManufacturerSamsung
SeriesSamsung Galaxy A series
ModelSM-A032x, SM-A035x, SM-A037x (last letter varies by carrier and international models)
Compatible networks2G, 3G, 4G LTE (4.5G(Only for A03))
First releasedNovember 26, 2021; 4 years ago (2021-11-26)
PredecessorSamsung Galaxy A02
Samsung Galaxy A02s
SuccessorSamsung Galaxy A04
TypeSmartphone
Form factorSlate
Dimensions
  • A03: 164.1 mm (6.46 in) H
    75.9 mm (2.99 in) W
    9.1 mm (0.36 in) D
  • A03s/A03 Core: 164.2 mm (6.46 in) H
    75.9 mm (2.99 in) W
    9.1 mm (0.36 in) D
Mass
  • A03s: 169 g (6.0 oz)
  • A03 Core: 211 g (7.4 oz)
Operating systemA03/A03s: Android 11 with One UI Core 3.1 (Upgradeable to Android 13 with One UI Core 5)
A03 Core: Android 11 (Go edition) (Upgradeable to Android 13 (Go edition))
System on chip
  • A03: Unisoc T606 (12nm)
  • A03s: MediaTek MT6765 Helio P35 (12nm)
    A03 Core: Unisoc SC9863A (28nm)
CPU
  • A03: Octa-core (2x 1.6GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
  • A03s: Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
  • A03 Core: Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
GPU
  • A03: Mali-G57 MP1
  • A03s: PowerVR GE8320
  • A03 Core: IMG8322
MemoryA03/A03s: 3 GB or 4 GB
A03 Core: 2 GB
Storage32 GB, 64 GB or 128 GB
Removable storagemicroSD
BatteryLi-Po 5000 mAh
Charging
  • A03: up to 15W Quick charge 3.0
  • A03s: 15W Fast charging
Data inputs
Display6.5 in (170 mm), HD
PLS IPS
Infinity-V Display (1600x720 pixels)
Rear camera
  • A03:
  • Primary: Hynix Hi-4821Q; 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, AF
  • Depth: GalaxyCore GC2375H; 2 MP, f/2.4, 1/5.0", 1.75μm
  • A03s:
  • Primary: 13 MP, f/2.2, (wide), AF
  • Macro: 2 MP, f/2.4
  • Depth: 2 MP, f/2.4
  • A03 Core:
  • 8 MP, f/2.0, AF
  • All: LED flash
  • 1080p@30fps
Front camera
  • GalaxyCore GC5035; 5 MP, f/2.2, (wide), 1/5.0", 1.12µm
  • 1080p@30fps
SoundLoudspeaker
3.5mm jack
Dolby Atmos
ConnectivityWi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot
Bluetooth 5.1, A2DP, LE
References[1][2][3][4][5][6]

The Samsung Galaxy A03 is a series of Android smartphones manufactured by Samsung Electronics that includes the base A03, A03s and A03 Core.[7][8] The A03 was first announced on November 25, 2021.[9] The A03s was first announced on August 18, 2021,[10] followed by the Core variant on December 6, 2021.[11]

Specifications

Design

All models use a plastic back and frame along with a glass front.

Galaxy A03 Core Galaxy A03 Galaxy A03s

Hardware

Display

All three devices have a 6.5-inch PLS TFT capacitive touchscreen with a resolution of 1600×720 pixels.[7]

Camera

The Galaxy A03 has a dual rear camera setup: a 48 MP wide lens and th 2 MP depth sensor. The main camera can record video up at 1080p @ 30 fps. A single 5 MP front-facing camera is present in a notch.[7]

The Galaxy A03 Core only have a single 8 MP rear camera and 5 MP front-facing camera.[11] The Galaxy A03s have a triple rear camera setup: 13 MP wide, macro and depth sensors with 2 MP each.[10]

Processor and Memory

The Galaxy A03 uses the UNISOC T606 octa-core processor,[7] while the Core and "s" variants use the UNISOC SC9863A and MediaTek Helio P35, respectively.

RAM options include 3 GB or 4 GB, with storage ranging from 32 GB to 128 GB for the A03. The "s" variant offers the same RAM options but is limited to 32 GB or 64 GB of storage. The Core variant is available only with 2 GB of RAM and 32 GB of storage. All devices uses the same eMMC storage type.[12][13] All devices also include a microSDXC slot, allowing users to expand their storage capacity up to 1 TB.

Battery

All variants have a Li-Po 5000 mAh non-removable battery. Only the A03s have the 15W Fast Charging support.[13]

Software

The Galaxy A03 & A03s originally came with Android 11 and One UI Core 3.1 pre-installed. The Galaxy A03s have the same pre-installed OS and One UI version as with the other devices, albeit it uses the Android Go edition of the OS. Like its predecessors, it is only slated to receive 2 OS upgrades and 4 years of security updates.

Pre-installed OS OS Upgrades history End of support
1st 2nd
A03 Core Android 11
(Android Go)
(One UI Core 3.1) 		Android 12
(Android Go)
(One UI Core 4.0)
March 2023[14] 		Android 13
(Android Go)
(One UI Core 5.1)
September 2023[15] 		January 2026[16]
A03 Android 11
(One UI Core 3.1) 		Android 12
(One UI Core 4.1)
August 2022[17] 		Android 13
(One UI Core 5.0)
January 2023[18] 		Expected within 2026
A03s Android 12
(One UI Core 4.1)
July 2022[19] 		Android 13
(One UI Core 5.0)
December 2022[20] 		October 2025[21]

References

  1. ↑ "Samsung Galaxy A03 Full Specifications". GSMArena. https://www.gsmarena.com/samsung_galaxy_a03-11244.php. 
  2. ↑ Gadgets 360. "Samsung Galaxy A03". https://gadgets.ndtv.com/samsung-galaxy-a03-price-in-india-104594. 
  3. ↑ PhoneArea (3 January 2022). "Samsung Galaxy A03 Specs". https://www.phonearena.com/phones/Samsung-Galaxy-A03_id11848. 
  4. ↑ PhoneAQUA. "Samsung Galaxy A03 Price and Specifications". https://phoneaqua.com/samsung-galaxy-a03-3215.php. 
  5. ↑ "Samsung Galaxy A03s Full Specifications". GSMArena. https://www.gsmarena.com/samsung_galaxy_a03s-10937.php. 
  6. ↑ "Samsung Galaxy A03 Core Full Specifications". GSMArena. https://www.gsmarena.com/samsung_galaxy_a03_core-11215.php. 
  7. ↑ 7.0 7.1 7.2 7.3 "Samsung Galaxy A03 announced with a 48MP camera and 5,000 mAh battery". 26 November 2021. https://www.gsmarena.com/samsung_galaxy_a03_specs_price_sale_date-news-52018.php. 
  8. ↑ "The Galaxy A03 Is Upgrading Core Mobile Features To Make Your Day-to-Day More Convenient". Samsung Newsroom. https://news.samsung.com/global/infographic-the-galaxy-a03-is-upgrading-core-mobile-features-to-make-your-day-to-day-more-convenient. 
  9. ↑ Matei, Mihai (2021-11-25). "Samsung quietly announces Galaxy A03 with upgraded cameras" (in en-US). https://www.sammobile.com/news/samsung-quietly-announces-galaxy-a03-upgraded-cameras/. 
  10. ↑ 10.0 10.1 "Samsung India Launches Galaxy A03s with Big 6.5" Infinity-V Display and 5000mAh Battery and Fingerprint Sensor". 2021-08-18. https://news.samsung.com/in/samsung-india-launches-galaxy-a03s-with-big-6-5-infinity-v-display-and-5000mah-battery-and-fingerprint-sensor. 
  11. ↑ 11.0 11.1 "Samsung Launches Galaxy A03 Core in India; Will Strengthen #PoweringDigitalIndia Initiative". 2021-12-06. https://news.samsung.com/in/samsung-launches-galaxy-a03-core-in-india-will-strengthen-poweringdigitalindia-initiative. 
  12. ↑ Schmitt, Florian (2022-06-06). "Samsung Galaxy A03 Smartphone review - Inexpensive Galaxy with fast WLAN" (in en). https://www.notebookcheck.net/Samsung-Galaxy-A03-Smartphone-review-Inexpensive-Galaxy-with-fast-WLAN.625651.0.html. 
  13. ↑ 13.0 13.1 Schmitt, Florian (2021-12-19). "Samsung Galaxy A03s smartphone review: Cheap phone, good call quality" (in en). https://www.notebookcheck.net/Samsung-Galaxy-A03s-smartphone-review-Cheap-phone-good-call-quality.586550.0.html. 
  14. ↑ Matei, Mihai (2023-03-27). "Galaxy A03 Core is finally getting a long-awaited OS upgrade" (in en-US). https://www.sammobile.com/news/galaxy-a03-core-is-finally-getting-a-long-awaited-os-upgrade/. 
  15. ↑ Shaik, Asif Iqbal (2023-09-28). "Galaxy A03 Core is finally getting Android 13 Go (One UI 5.1) update" (in en-US). https://www.sammobile.com/news/galaxy-a03-core-android-13-one-ui-5-1-update-released/. 
  16. ↑ Yash (2026-01-06). "Samsung adds and removes devices in January 2026 update plan" (in en-US). https://www.sammyfans.com/2026/01/06/samsung-january-2026-update-plan-changes/. "At the same time, Samsung has removed the Galaxy A03 Core from the January 2026 update plan. This means the phone has reached the end of its update support. From January 2026, the Galaxy A03 Core will no longer receive software updates or security patches." 
  17. ↑ Matei, Mihai (2022-08-18). "Android 12 and One UI Core 4.1 is rolling out for the Samsung Galaxy A03" (in en-US). https://www.sammobile.com/news/android-12-one-ui-core-4-1-rolling-out-for-samsung-galaxy-a03/. 
  18. ↑ Shaik, Asif Iqbal (2023-01-02). "Galaxy A03 bags Android 13 with its latest software update" (in en-US). https://www.sammobile.com/news/galaxy-a03-android-13-update-released/. 
  19. ↑ Shaik, Asif Iqbal (2022-07-05). "Galaxy A03s gets updated to Android 12 and One UI Core 4.1" (in en-US). https://www.sammobile.com/news/galaxy-a03s-android-12-update-one-ui-core-4-1/. 
  20. ↑ Matei, Mihai (2022-12-14). "Galaxy A03s gets One UI 5.0 months ahead of the original schedule" (in en-US). https://www.sammobile.com/news/galaxy-a03s-gets-one-ui-5-0-months-ahead-of-original-schedule/. 
  21. ↑ Shaik, Abid Iqbal (2025-10-16). "Samsung ends software support for these four phones" (in en-US). https://www.sammobile.com/news/samsung-ends-software-support-these-four-phones/. "Samsung has ended software support for the Galaxy A03s, Galaxy A52s, Galaxy F42 5G, and Galaxy M32 5G. The tech giant stopped offering OS upgrades to these phones long ago, but it was providing them with security updates till now. However, it won't do so anymore." 
Preceded by
Samsung Galaxy A02 		Samsung Galaxy A03
2021 		Succeeded by
Samsung Galaxy A04



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