Design and Build

The iPhone 6s Plus has an anodized aluminum enclosure, is 7.3mm in thickness and weighs 192g. The device is made available in Space Gray, Silver, Gold, and Rose Gold with a 5.5-inch screen. It is not rated for ingress protection. Reviewers are positive about the great-looking screen and merely draw the attention that it is harder than the iPhone 7 Plus.

• Aluminum chassis, 7.3mm thick
• 192g weight
• No water/dust resistance
• Touch ID home button
• No stainless steel option

iPhone 6s Plus Display

The iPhone 6s Plus possesses a 5.5-inch Retina HD LCD display with a pixel count of 1920 by 1080 at 401 PPI and 500 nits of brightness. There is 3D Touch in it but it doesn’t feature HDR or True Tone. The users of this device enjoy the clear visuals but point out that it is not as advanced as the iPhone 7 Plus.

• Retina HD LCD, 1920 x 1080, 401 PPI
• 500 nits brightness
• 3D Touch
• Ion-strengthened glass
• No HDR or True Tone

Performance and Software

The iPhone 6s Plus is equipped with an A9 chip (64-bit dual-core, 1.84GHz) accompanying 2GB of RAM and 16GB, 32GB, 64GB, or 128GB of storage options. The device comes with iOS 9 (upgradeable to iOS 15). It is compatible with Siri and Apple Pay. The users are satisfied with its speed and only make a note that it is a bit slower than the iPhone 7 Plus.

• A9 chip, dual-core
• 2GB RAM
• iOS 9 (up to iOS 15)
• Siri, Apple Pay
• No Apple Intelligence

The A9 performs well, but iOS 15 is the final supported version, limiting its use compared to the iPhone 7 Plus.

Cameras

The iPhone 6s Plus has a 12MP rear camera (f/2.2) with optical image stabilization (OIS) and 4K video at 30fps, plus a 5MP front camera (f/2.2). It supports Live Photos but lacks Night mode. Users praise the camera but note it’s less versatile than the iPhone 7 Plus.

• 12MP rear (f/2.2, OIS)
• 5MP front (f/2.2)
• 4K video at 30fps
• Live Photos
• No Night mode

Battery and Charging

The iPhone 6s Plus has a 2750mAh battery, offering up to 24 hours of talk time. It supports 5W charging (0–100% in ~3 hours) via Lightning. Real-world use yields 12–14 hours. Users appreciate the battery life but note slower charging than the iPhone 7 Plus.

• 2750mAh battery
• Up to 24h talk time
• 5W charging, 0–100% in ~3h
• 12–14h real-world
• No wireless charging

Connectivity

The iPhone 6s Plus supports Wi-Fi 5 (802.11ac), Bluetooth 4.2, LTE (up to 300 Mbps), and Apple Pay. It includes GPS (GPS, GLONASS) and a 3.5mm headphone jack. Users praise connectivity but note no Wi-Fi 6 or Ultra Wideband compared to the iPhone 7 Plus.

• Wi-Fi 5 (802.11ac), Bluetooth 4.2
• LTE (up to 300 Mbps)
• Apple Pay
• GPS, GLONASS
• No Ultra Wideband

Pricing and Availability

At a price of $749 (16GB), the iPhone 6s Plus was launched in the market on September 25, 2015, by Apple and different retailers. The higher storage options (64GB, 128GB) were for sale at $849 and $949 respectively. After being removed from the market in 2018, the stores provide reconditioned units for about $100-$180. Users like it for the big display but give priority to the water resistance feature of the iPhone 7 Plus.