Check outother iPhone models, including the most recent releases.
This diagram shows you what the iPhone 6 buttons and ports are used for.
They have the same buttons and ports.

Apple
The iPhone 6Home buttonhas theTouch ID fingerprint scannerbuilt into it for unlocking the phone andmaking purchases with ApplePay.
User-Facing Camera
This 1.2-megapixel camera is used for takingselfiesand forFaceTimechats.
It also records video at 720p HD resolution.
Back Camera
This is the primary camera on the iPhone 6 series.
It takes 8-megapixel photos and records video at 1080p HD.
It captures time-lapse and burst photos.
It also records slow-motion video at 120 and 240 frames per second (normal video is 30 frames/second).
The iPhone 6 uses digital image stabilization, which attempts to replicate hardware stabilization using software.
Microphone
When you’re recording video, this microphone captures the sound that goes along with the video.
Camera Flash
The camera flash provides more light for photos and videos.
Both the iPhone 6 and 6 Plus use the dual-flash system introduced on theiPhone 5S.
Having two flashes instead of one delivers better color accuracy and photo quality.
This can alsolight up when you have notifications.
Some accessories, such ascar FM transmitters, also connect using the headphone jack.
(assuming that audio isn’t being sent to headphones or an accessory like a speaker).
Mute Switch
Put the iPhone into silent modeusing this switch.
Volume can also be controlled using in-line remotes on headphones or from within apps (where available).
Reset frozeniPhonesusing this button and the Home button.