The latest iPhones can be restarted by holding down one of the volume buttons and the power button until the power off slider appears on the screen. Once it appears, Slide it and wait for the phone to power off. Once the phone has been powered off, You now hold down the power button...
This depends on the items on sale and the discount but, since Amazon is an online retailer, it will have plenty of great deals on products of all kinds. However, the actual deal will depend on the product, so make sure to check everything out. Do I need a Prime membership to...