The volume and lock and mute keys are located on the side of the device, with the home key found towards its base. Build up of dirt and other such substances are common when carrying the device in your pocket without a case. Fitting your device with one is the most effective measures to prevent such problems.
If you find your buttons are not responding or appear damaged call iMend iPhones today. We have the same high quality stock installed onto your device as it would when it leaves the factory.