Mobile Phones Features
GPS (Globle Positioning System)
GPS can find your current location, with this information you can then find the closest pub, train station etc
NFC (Near Field Communication)
Allows you to pay for thing without having to use a pin or credit card, it just goes on the back of your phone. Used by busy people in a hurry. +ve are it takes no time at all to pay for things -ve if someone nicks your phone they can pay for things without you knowing.
Screen Features
These are things like touch screen, brightness and size. Also resolution, the higher the resolution, the better the quality. But with a bigger, better quality screen the battery life of the phone will be lessened.
Bluetooth
Allows you to transfer files between two devises if they both have bluetooth. also used to connect your ipod or phone to the car radio/stereo. Its quite slow and a bit out of a date now.
Wifi
Wifi allows you to connect to the internet from you mobile phone when your near a router or in a internet cafe. Leaving this on all the time will drain the battery life really quickly.
Bands
Bands are what countries use to keep there phones separate. you get single band which will only work in your country and quad band will work anywhere in the world.
External Storage
External storage is used to backup files from your phone or so you can transfer data between devises by using an SD card.