Yes, you can buy the Samsung Galaxy S4 directly from Samsung.
No, the Galaxy S4 is not waterproof. If you try putting it in water, it will most likely break. You might want to consider the Galaxy S4 Active, which is a more durable, and more importantly, waterproof version of the standard S4.
Yes. They have the Samsung Galaxy S4 Active.
Yes, the Samsung Galaxy S4 is a smartphone.
No, the Samsung Galaxy s4 is larger than the iPhone.
The Samsung Galaxy S4 was released on April 2013.
The Samsung Galaxy S4 is not waterproof. The Samsung Galaxy S4 Active however is water-resistant, meaning it can withstand water (and dust), but can only stay submerged for 30 minutes for one meter or shallower.
Yes, Amazon.co.uk does sell the Samsung Galaxy S4. They have a wide variety of Samsung Galaxy S4 models and accessories available for purchase directly through their website.
The Samsung Galaxy S4 mini is more popular than the S3 mini.
The Samsung Galaxy S4 accepts a micro-SIM, but not a nano-SIM.
An unlocked Samsung Galaxy S4 is presently between $550-650 USD.
None of the Samsung devices released since the Samsung Galaxy S5 are waterproof. Although, the Samsung Galaxy Active line are water resistant.