Head exposure reference


The specifications, radiation measurements and practical choices for your phone.
RF Safe source record retrieved September 12, 2026. Regional specifications and test configurations may differ.
Reported US test values · W/kg averaged over 1 g of tissue
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 →
| Hotspot, cellular only (US) | — W/kg |
|---|---|
| Product-specific source field (US) | — W/kg |
| Head (EU, 10 g) | 0.27 W/kg |
| Body (EU, 10 g) | 1.00 W/kg |
| FCC ID | A3LSMG955F — 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. |
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.
RF Safe reference illustrations for this phone.


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.
Watch the phone safety introduction, then explore the illustrated guide to distance, carrying and correct QuantaCase orientation.
Explore the usage guide →Source specifications by category. Regional models, software and availability may differ.
| Phone | Samsung Galaxy S8 Plus |
|---|---|
| Technology | GSM / HSPA / LTE |
| Announced | March 29, 2017 |
| Availability (source snapshot) | Available |
| Price (historical source) | About 430 EUR |
| Model Names | SM-G955F, SM-G955FD, SM-G955W, SM-G955A, SM-G955P, SM-G955T, SM-G955V, SM-G955R4, SM-G955U, SM-G955S, SM-G955K, SM-G955L, SM-G955, SM-G955U1, SM-G955N, SM-G9550, SC-03J, G955F |
| Type | Super AMOLED |
|---|---|
| Size | 6.2 inches, 98.3 cm2 (~84.0% screen-to-body ratio) |
| Resolution | 1440 x 2960 pixels, 18.5:9 ratio (~529 ppi density) |
| Protection | Corning Gorilla Glass 5 |
| Display Test | Contrast ratio: Infinite (nominal), 4.658(sunlight) |
| Main Camera | Single Camera: 12 MP, f/1.7, 26mm (wide), 1/2.55", 1.4m, dual pixel PDAF, OIS |
|---|---|
| Main Features | LED flash, auto-HDR, panorama |
| Video | 4K@30fps, 1080p@30/60fps, 720p@240fps, HDR, stereo sound rec., gyro-EIS, OIS |
| Selfie Camera | Dual Camera: 8 MP, f/1.7, 25mm (wide), 1/3.6", 1.22m, AF 2 MP (dedicated iris scanner camera) |
| Selfie Camera Features | Dual video call, Auto-HDR |
| Selfie Camera Video | 1440p@30fps |
| Type | Li-Ion 3500 mAh, non-removable (13.48 Wh) |
|---|---|
| Battery Test | Endurance rating 88h |
| Charging | 15W wired, QC2 Wireless (Qi/PMA) (market dependent) |
| Operating system (source snapshot) | Android 7.0 (Nougat), upgradable to Android 9.0 (Pie), One UI |
|---|---|
| Chipset | Exynos 8895 (10 nm) - EMEAQualcomm MSM8998 Snapdragon 835 (10 nm) - USA & China |
| CPU | Octa-core (4x2.3 GHz Mongoose M2 & 4x1.7 GHz Cortex-A53) - EMEAOcta-core (4x2.35 GHz Kryo & 4x1.9 GHz Kryo) - USA & China |
| GPU | Mali-G71 MP20 - EMEAAdreno 540 - USA & China |
| Performance | GeekBench: 6754 (v4.4) GFXBench: 13fps (ES 3.1 onscreen) |
| Internal Storage | 64GB 4GB RAM, 128GB 6GB RAM UFS 2.0 or UFS 2.1 |
| Card Slot | microSDXC (uses shared SIM slot) - dual SIM model only |
| Sensors | Iris scanner, fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2 Samsung DeX (desktop experience support) ANT+ Bixby natural language commands and dictation Samsung Pay (Visa, MasterCard certified) |
| Wi-fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
|---|---|
| Bluetooth | 5.0, A2DP, LE, aptX |
| USB | USB Type-C 3.1 |
| GPS | GPS, GLONASS, BDS, GALILEO |
| NFC | Yes |
| Radio | No |
| Loudspeaker | Yes |
|---|---|
| 3.5mm Jack | Yes |
| Loudspeaker Test | Voice 68dB / Noise 69dB / Ring 71dB |
| Type | Bar |
|---|---|
| Dimensions | 159.5 x 73.4 x 8.1 mm (6.28 x 2.89 x 0.32 in) |
| Weight | 173 g (6.10 oz) |
| Colors | Midnight Black, Orchid Gray, Arctic Silver, Coral Blue, Maple Gold, Rose Pink |
| Build | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (5CA) Cat16 1024/150 Mbps |
|---|---|
| SIM | Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by) IP68 dust/water resistant (up to 1.5m for 30 min) |
| 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, 17, 20, 28 |
Confirm the exact model before choosing a color.
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 →
A visual guide to distance, speakerphone, carrying and correct case orientation.
Other Samsung models with nearby reported head SAR values.



