Welcome to Nokia Support Discussions! Here you can share advice and tips with thousands of other Nokia users around the world in English. Many Nokia employees also follow and participate in the discussions, see our guidelines for more information. Everyone can search and read the discussions, but to post your own question or reply to others, simply sign in with your Nokia account. If this is your first time here, you can choose an alias to represent you. And if you don't have a Nokia account yet, please register.
Most probably it is.. but you need to contact your local Nokia Care for the availability and cost for repairs..
BTW if you have received the latest Firmware update then most probably the 'Slide to Unlock' feature has been added. When the screen is locked press the On/Off button or the Menu Key and it will prompt you to Slide in the direction of the arrow to unlock ...this may eliminate the usage of the Side keylock key...
Another way to overcome this is to install this application..