Head exposure reference
Samsung · PHONE PROFILE
Samsung Galaxy A42 5G
The specifications, radiation measurements and practical choices for your phone.
Display6.6 inches
ChipsetQualcomm SM7225 Snapdragon 750 5G (8 nm)
FCC identifierA3LSMA426U
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 only1.11 W/kg69% of US localized limit
Body SAR · cellular only1.25 W/kg78% of US localized limit
Hotspot SAR · cellular only1.06 W/kg66% of US localized limit
Head SAR · simultaneous1.59 W/kg99% of US localized limit
Body SAR · simultaneous1.55 W/kg97% of US localized limit
Hotspot SAR · simultaneous1.59 W/kg99% 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) | 1.06 W/kg |
|---|---|
| Product-specific source field (US) | 1.06 W/kg |
| Head (EU, 10 g) | 1.15 W/kg |
| Body (EU, 10 g) | 1.33 W/kg |
| FCC ID | A3LSMA426U — 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 A42 5G |
|---|---|
| Technology | GSM / HSPA / LTE / 5G |
| Announced | September 2, 2020 |
| Availability (source snapshot) | Available. Released 2020, November 11 |
| Price (historical source) | $ 220.00 / € 289.95 |
| Model Names | SM-A426B, SM-A426B/DS, SM-A4260, SM-A426U, SM-A426U1, SM-A426N |
Display
| Type | Super AMOLED |
|---|---|
| Size | 6.6 inches, 105.2 cm2 (~84.3% screen-to-body ratio) |
| Resolution | 720 x 1600 pixels, 20:9 ratio (~266 ppi density) |
| Features | N/A |
| Display Test | Contrast ratio: Infinite (nominal) |
Camera
| Main Camera | Quad Camera: 48 MP, f/1.8, (wide), 1/2.0", 0.8m, PDAF 8 MP, f/2.2, 123 (ultrawide) 5 MP, f/2.4, (macro) 5 MP, f/2.4, (depth) |
|---|---|
| Main Features | LED flash, panorama, HDR |
| Video | 4K@30fps, 1080p@30fps, 720p@480fps |
| Selfie Camera | Single Camera: 20 MP, f/2.2, (wide) |
| Selfie Camera Features | HDR |
| Selfie Camera Video | 1080p@30fps |
Battery
| Type | Li-Po 5000 mAh, non-removable |
|---|---|
| Battery Test | Endurance rating 144h |
| Charging | 15W wired |
Hardware
| Operating system (source snapshot) | Android 10, upgradable to Android 13, One UI 5 |
|---|---|
| Chipset | Qualcomm SM7225 Snapdragon 750 5G (8 nm) |
| CPU | Octa-core (2x2.2 GHz Kryo 570 & 6x1.8 GHz Kryo 570) |
| GPU | Adreno 619 |
| Performance | AnTuTu: 324686 (v8) GeekBench: 1910 (v5.1) GFXBench: 33fps (ES 3.1 onscreen) |
| Internal Storage | 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM |
| Card Slot | microSDXC (uses shared SIM slot) |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
Connectivity
| Wi-fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
|---|---|
| Bluetooth | 5.0, A2DP, LE |
| USB | USB Type-C 2.0 |
| GPS | GPS, GLONASS, GALILEO, BDS |
| NFC | Yes |
| Radio | FM radio |
Sound
| Loudspeaker | Yes |
|---|---|
| 3.5mm Jack | Yes |
| Loudspeaker Test | -30.1 LUFS (Below average) |
Design
| Type | Bar |
|---|---|
| Dimensions | 164.4 x 75.9 x 8.6 mm (6.47 x 2.99 x 0.34 in) |
| Weight | 193 g (6.81 oz) |
| Colors | Prism Dot Black, Prism Dot White, Prism Dot Gray |
Network
| Speed | HSPA, LTE-A, 5G |
|---|---|
| SIM | Single SIM (Nano-SIM) or Hybrid 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 / 1700(AWS) / 1900 / 2100 |
| 4G Network | 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41 - Europe |
| 5G Network | 1, 3, 5, 7, 8, 28, 40, 41, 78 SA/NSA/Sub6 - Europe |
Find the case for your phone.
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No exact case match listed
Browse QuantaCase for current model availability. A similar model name does not establish fit.
Check the catalog →QuantaCase is a directional shielding accessory and a habit-training tool. Correct orientation matters; a case does not make a phone risk-free. Explore the design →
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A visual guide to distance, speakerphone, carrying and correct case orientation.
Keep exploring.
Other Samsung models with nearby reported head SAR values.
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Galaxy S25
Head SAR1.12 W/kg
Body SAR0.73 W/kg
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Galaxy S26 Ultra 5G
Head SAR1.09 W/kg
Body SAR1.19 W/kg
SamsungUS · 1 g
Galaxy S26 Plus 5G
Head SAR1.15 W/kg
Body SAR1.17 W/kg
SamsungUS · 1 g
Galaxy S20
Head SAR1.07 W/kg
Body SAR1.03 W/kg