One of my all-time favorite iPhone 4 cases was the HoverCoat from monCarbone. Its carbon fiber material made it light as a feather yet durable with steel like strength. With the release of the iPhone 5 and now iPhone 5S, monCarbone has introduced the HoverCoat Plus. This improved version adds Basalt fiber along with carbon fiber to enhance both signal reception and to boost durability."
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips