iPhone 4S

If you're shopping for a new iPhone, Apple gives you not just one, but three options to choose from. How do you choose between the flagship iPhone 5s, the colorful iPhone 5c, and the aging iPhone 4s? Let Gizmag lend a hand, as we put the three side-by-side, and compare their features and specs.

How does the iPhone 5 compare to the discounted iPhone 4S and iPhone 4?

The Spike keyboard case combo for iPhone features a hinged physical keyboard that flips up to provide easy access to the full touchscreen.

The EnerPlex solar charge case for iPhone 4/4S incorporates a thin, flexible CIGS PV modules from Ascent Solar.

Wahoo Fitness has launched the world's first Bluetooth 4.0 wireless speed/cadence sensor, allowing cyclists to monitor their performance on the iPhone 4S.

Otterbox has revealed a brand new series of ultra-tough case for iPhone 4 and iPhone 4S named Armor Series.

The Magnicase is an iPhone case that features a high quality Fresnel lens to magnify the phone's display 1.5 times.

The AQUA TEK S is a ruggedized case for iPhone 4 and 4S that packs a solar panel, built in battery to extend battery life, and is dust resistant and waterproof to 20 ft (6 m).

Nissan has announced it is trialing the world's fisrt self-healing iPhone case that uses the same Scratch Shield paint finish used on some Nissan and Inifiniti cars.

Sure you've seen Siri work her magic on an iPhone 4S, but how about on an older rotary telephone?

Developer Brandon Fiquett has hacked Siri so that it can control his car.

Siri has been hacked to work on an iPhone 4 and an iPod touch 4G.