Design and Build

The iPhone 6s has an aluminum body that is 7.1mm thick and weighs 143g. In which Space Gray, Silver, Gold, and Rose Gold are available, it comes with a 4.7-inch display. It has no IP rating. It’s the thinnest but not the strongest. The customers underline that its small and luxury build is good. However, they also say that less durable than the iPhone 7 is a major drawback."

• Aluminum chassis, 7.1mm thick
• 143g weight
• No water/dust resistance
• Touch ID home button
• No stainless steel option

iPhone 6s Display

iPhone 6s comes with a 4.7-inch Retina HD LCD display that has a resolution of 1334 x 750 pixels at 326 PPI and a brightness of 500 nits. It has 3D Touch, but does not have HDR or True Tone. Those who used it feel satisfied with the display quality for the period so a little smaller and less colorful compared to the iPhone 7 display was noted.

• Retina HD LCD, 1334 x 750, 326 PPI
• 500 nits brightness
• 3D Touch
• Ion-strengthened glass
• No HDR or True Tone

Performance and Software

The iPhone 6s, featuring the A9 chip (64-bit dual-core, 1.84GHz) with 2GB RAM, is available in four options of storage for customers—16GB, 32GB, 64GB or 128GB and comes with iOS 9 (upgradable to iOS 15). It is endowed with Siri and Apple Pay. People say that it is the best performing phone of that time and it is not as fast as the iPhone 7.

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

The A9 handles basic tasks well, but iOS 15 is the final supported version, making it outdated compared to the iPhone 7.

Cameras

The iPhone 6s features a 12MP rear camera (f/2.2) with 4K video at 30fps and a 5MP front camera (f/2.2). It supports Live Photos but lacks Night mode or ultra-wide lenses. Users value its photo quality for its time but note it’s limited compared to the iPhone 7’s camera.

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

Battery and Charging

The iPhone 6s has a 1715mAh battery, offering up to 14 hours of talk time. It supports 5W charging (0–100% in ~2.5 hours) via Lightning. Real-world use yields 10–12 hours. Users report daily charging needs and note slower charging than the iPhone 7.

• 1715mAh battery
• Up to 14h talk time
• 5W charging, 0–100% in ~2.5h
• 10–12h real-world
• No wireless charging

Connectivity

By using Wi-Fi 5 (802.11ac), Bluetooth 4.2, LTE (up to 300 Mbps), and Apple Pay, the iPhone 6s guarantees the latest wireless technology possible. What is more, it comes with a dual-antenna GPS (GPS, GLONASS) and a 3.5mm headphone jack. The handset's Wi-Fi and LTE connection allow the most consistent signal quality. The chief drawback is that it doesn't support Wi-Fi 6 and Ultra Wideband users, meanwhile, are delighted with call quality but complain about the iPhone 7 LTE being faster than theirs.

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

Pricing and Availability

The iPhone 6s was priced at $649 for the 16GB model and was on sale in Apple and other retail stores from September 25, 2015. The larger storage versions (64GB, 128GB) were available for $749 and $849. Models that are no longer in use and are renewed (refurbished) are usually on sale for ~$80–$150. The users appreciate the price level of the phone but give the preference to iPhone 7 because of water resistance.