| Local Name | iPhone 6s Plus |
| Technology | GSM / CDMA / HSPA / EVDO / LTE |
| 4G Bands | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 29(700), 30(2300) - A1633 | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(8 |
| 3G Bands | HSDPA 850 / 900 / 1700 / 1900 / 2100 | CDMA2000 1xEV-DO |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 | CDMA 800 / 1700 / 1900 / 2100 |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps, EV-DO Rev.A 3.1 Mbps |
| Announced | 2015, September |
| Status | Available. Released 2015, September |
| Dimensions | 158.2 x 77.9 x 7.3 mm (6.23 x 3.07 x 0.29 in) |
| Weight | 192 g (6.77 oz) |
| Build | Glass front (Gorilla Glass), aluminum back, aluminum frame |
| SIM | Nano-SIM |
| Body | Apple Pay (Visa, MasterCard, AMEX certified) |
| Display Type | IPS LCD capacitive touchscreen, 16M colors |
| Screen Size | 5.5 inches, 83.4 cm2 (~67.7% screen-to-body ratio) |
| Resolution | 1080 x 1920 pixels, 16:9 ratio (~401 ppi density) |
| Protection | Ion-strengthened glass, oleophobic coating | 3D Touch display |
| OS | iOS 9, upgradable to iOS 13.3 |
| Chipset | Apple A9 (14 nm) |
| CPU | Dual-core 1.84 GHz Twister |
| GPU | PowerVR GT7600 (six-core graphics) |
| Card Slot | No |
| Internal Memory | 16GB 2GB RAM, 32GB 2GB RAM, 64GB 2GB RAM, 128GB 2GB RAM | NVMe |
| Camera Features | Face detection, HDR, panorama |
| Video | 1080p@30fps |
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
| Sound | 16-bit/44.1kHz audio |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot |
| Bluetooth | 4.2, A2DP, LE |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, QZSS |
| NFC | Yes (Apple Pay only) |
| Radio | No |
| USB | 2.0, proprietary reversible connector |
| Sensors | Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer |
| Features Summary | Siri natural language commands and dictation |
| Battery | Non-removable Li-Ion 2750 mAh battery (10.45 Wh) |
| Stand By | Up to 384 h (3G) |
| Talk Time | Up to 24 h (3G) |
| Music Play | Up to 80 h |
| Colors | Space Gray, Silver, Gold, Rose Gold |
| SAR EU | 0.93 W/kg (head) 0.98 W/kg (body) |