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Galaxy A03 firmware, updates & specs | SamFrew

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Galaxy A03

Samsung Galaxy A03 in Black

Black

Phone · Galaxy A

Samsung Galaxy A03

Released Dec 2021 · 3 model codes · firmware for 158 CSC regions

Display size: 6.5"
RAM: 4 GB
Battery: 5000 mAh
Rear camera: 48 MP + 2 MP
Storage: 32 GB · 64 GB · 128 GB

Download firmware Update history Specifications

Software support

Update policySecurity updates endedLast on Samsung's security update list in Jan 2026

Latest official updateOne UI 5.1 · Android 13A035MUBS9CYG1 · Nov 13, 2025

Security patch levelAugust 2025Monthly release fixed 41 vulnerabilities

Choose your model

Firmware is specific to the model code. Find yours on the box or in Settings › About phone, then pick it below.

ModelSold inFirmwareLatest build

SM-A035GSold in24 countriesFirmware64 CSCs · 1,452 buildsLatest buildA035GXXS8CYG1 · Aug 6, 2025→

Software updates

One UI and Android versions of the Galaxy A03, with the first release of each.

Aug 2023
One UI 5.1 · Android 13
Official release: A035MUBU3CWF7 (SM-A035M)
Feb 2023
One UI 5 · Android 13
Official release: A035GXXU2CWA9 (SM-A035G)
Aug 2022
Android 12
First firmware build: A035FXXU1BVH4 (SM-A035F)
Dec 2021
Android 11
First firmware build: A035FXXU1AUL2 (SM-A035F)

Specifications

As published by Samsung for the SM-A035G; other model codes can differ (chipset, network bands).

Display

Display size: 165.5mm (6.5" full rectangle) / 161.1mm (6.3" rounded corners)
Resolution: 720 x 1600 (HD+)
Display type: PLS TFT LCD

Platform

CPU speed: 1.6GHz
CPU cores: Octa-Core

Memory

RAM: 4 GB
Storage: 64 GB
Card slot: MicroSD (Up to 1TB)

Camera

Rear camera: 48.0 MP + 2.0 MP
Rear camera aperture: F1.8 , F2.4
Front camera: 5.0 MP
Zoom: Digital Zoom up to 10x
Video recording: FHD (1920 x 1080)@30fps

Battery

Battery: 5000 mAh

Body

Where it's sold

Sold in 66 countries.

Europe32

Albania
Austria
Belgium
Bosnia & Herzegovina
Croatia
Czechia
Denmark
Estonia
Finland
France
Germany
Greece
Hungary

Sold in17 countries

Firmware50 CSCs · 1,110 builds

Latest buildA035MUBS9CYG1 · Jul 29, 2025

SM-A035FSold in29 countriesFirmware44 CSCs · 978 buildsLatest buildA035FXXS9CYG1 · Jul 29, 2025→

Dimensions

166.6 x 75.9 x 9.2 mm

Weight

199 g

Form factor

Touchscreen Bar

Connectivity

Network: 2G GSM, 3G WCDMA, 4G LTE FDD, 4G LTE TDD
4G bands: B38(2600), B40(2300), B41(2500); B1(2100), B3(1800), B5(850), B7(2600), B8(900), B20(800), B28(700)
SIM: SIM 1 + SIM 2 + MicroSD; Nano-SIM (4FF); Dual-SIM
Wi-Fi: 802.11 a/b/g/n/ac 2.4+5GHz
Bluetooth: Bluetooth v5.0
NFC: Yes
USB: USB 2.0
Positioning: GPS, Glonass, Galileo, QZSS

Ireland

Italy

Latvia

Lithuania

Netherlands

North Macedonia

Norway

Poland

Portugal

Romania

Russia

Serbia

Slovakia

Slovenia

Spain

Sweden

Türkiye

Ukraine

United Kingdom

Asia-Pacific15

Australia
Bangladesh
Hong Kong SAR China
India
Indonesia
Kazakhstan
Malaysia
Mongolia
Myanmar (Burma)
New Zealand
Pakistan
Philippines
Thailand
Uzbekistan
Vietnam

Americas9

Argentina
Brazil
Chile
Colombia
Mexico
Panama
Paraguay
Peru
Uruguay

Middle East & Africa10

Egypt
Iran
Iraq
Israel
Jordan
Lebanon
Palestinian Territories
Saudi Arabia
South Africa
United Arab Emirates