Head exposure reference
Samsung · PHONE PROFILE
Samsung Galaxy A03s
The specifications, radiation measurements and practical choices for your phone.
Display6.5 inches
ChipsetMediaTek MT6765 Helio P35 (12nm)
FCC identifierZCASMA037U
RF Safe source record retrieved September 12, 2026. Regional specifications and test configurations may differ.
The SAR overview.
Reported US test values · W/kg averaged over 1 g of tissue
Head SAR · cellular only0.79 W/kg49% of US localized limit
Body SAR · cellular only1.13 W/kg71% of US localized limit
Hotspot SAR · cellular only0.91 W/kg57% of US localized limit
Head SAR · simultaneous0.83 W/kg52% of US localized limit
Body SAR · simultaneous1.13 W/kg71% of US localized limit
Hotspot SAR · simultaneous1.53 W/kg96% of US localized limit
0–0.400.41–0.800.81–1.201.21+ W/kgUS localized test values · 1 g average
Colors indicate reported SAR ranges, not a safety verdict. Results depend on test configuration and regional model. A lower listed maximum does not guarantee lower everyday exposure. How to read these numbers →
Additional SAR values & source information
| Hotspot, cellular only (US) | 0.91 W/kg |
|---|---|
| Product-specific source field (US) | 0.91 W/kg |
| Head (EU, 10 g) | 0.36 W/kg |
| Body (EU, 10 g) | 1.09 W/kg |
| FCC ID | ZCASMA037U — FCC equipment search ↗ |
| Source | RF Safe original phone profile ↗ |
| Data note | Values are reported by the RF Safe source record and have not been independently re-tested here. Zero or blank source values are shown as not listed. |
Your SAR comparison, at a glance.
Cellular-only and simultaneous-transmission values, side by side.
RF Safe source chart. Green and red compare lower and higher values within this chart; they differ from the fixed SAR ranges above. Percentage differences compare test configurations and do not predict a personal exposure reduction.
Two views. One clearer picture.
RF Safe reference illustrations for this phone.
Body exposure reference
Source illustrations visualize the RF Safe record. They are not scans of an individual, a measured personal dose, or a forecast of disease. Read the numerical labels and the original test context.
A practical introduction.Read the illustrated usage guide →
BETTER PHONE HABITS
Put the numbers into practice.
Watch the phone safety introduction, then explore the illustrated guide to distance, carrying and correct QuantaCase orientation.
Explore the usage guide →Every specification, in one place.
Source specifications by category. Regional models, software and availability may differ.
General
| Phone | Samsung Galaxy A03s |
|---|---|
| Technology | GSM / HSPA / LTE |
| Announced | August 18, 2021 |
| Availability (source snapshot) | Available. Released 2021, August 18 |
| Price (historical source) | ₹ 8,985 / $ 114.00 / £ 105.97 / € 143.00 / Rp 1,752,000 |
| Model Names | SM-A037F, SM-A037F/DS, SM-A037M, SM-A037G, SM-A037U, SM-S134DL, SM-A037W |
Display
| Type | PLS LCD |
|---|---|
| Size | 6.5 inches, 102.0 cm2 (~81.8% screen-to-body ratio) |
| Resolution | 720 x 1600 pixels, 20:9 ratio (~270 ppi density) |
| Features | N/A |
| Display Test | Contrast ratio: 1718:1 (nominal) |
Camera
| Main Camera | Triple Camera: 13 MP, f/2.2, (wide), AF 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) |
|---|---|
| Main Features | LED flash |
| Video | 1080p@30fps |
| Selfie Camera | Single Camera: 5 MP, f/2.2 |
| Selfie Camera Video | 1080p@30fps |
Battery
| Type | Li-Po 5000 mAh, non-removable |
|---|---|
| Battery Test | Endurance rating 122h |
| Charging | 15W wired |
Hardware
| Operating system (source snapshot) | Android 11, upgradable to Android 12, One UI 4.1 Core |
|---|---|
| Chipset | MediaTek MT6765 Helio P35 (12nm) |
| CPU | Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) |
| GPU | PowerVR GE8320 |
| Performance | AnTuTu: 103465 (v8), 101299 (v9) GeekBench: 889 (v5.1) GFXBench: 5.5fps (ES 3.1 onscreen) |
| Internal Storage | 32GB 2GB RAM, 32GB 3GB RAM, 32GB 4GB RAM, 64GB 4GB RAM |
| Card Slot | microSDXC (dedicated slot) |
| Sensors | Fingerprint (side-mounted), accelerometer, proximity |
Connectivity
| Wi-fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct |
|---|---|
| Bluetooth | 5.0, A2DP |
| USB | USB Type-C 2.0 |
| GPS | GPS, GLONASS, GALILEO, BDS |
| NFC | Yes (market/region dependent) |
| Radio | No |
Sound
| Loudspeaker | Yes |
|---|---|
| 3.5mm Jack | Yes |
| Loudspeaker Test | -27.4 LUFS (Good) |
Design
| Type | Bar |
|---|---|
| Dimensions | 164.2 x 75.9 x 9.1 mm (6.46 x 2.99 x 0.36 in) |
| Weight | 196 g (6.91 oz) |
| Colors | Black, Blue, White |
| Build | Glass front, plastic frame, plastic back |
Network
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
|---|---|
| SIM | Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) |
| 3G Network | HSDPA 850 / 900 / 2100 |
| 4G Network | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 |
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Other Samsung models with nearby reported head SAR values.
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Galaxy A35
Head SAR0.80 W/kg
Body SAR0.76 W/kg
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Head SAR0.80 W/kg
Body SAR0.72 W/kg
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Galaxy S21 FE
Head SAR0.77 W/kg
Body SAR0.90 W/kg
SamsungUS · 1 g
Galaxy M52 5G
Head SAR0.77 W/kg
Body SAR0.80 W/kg