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 login 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.
First, try turning off the phone, remove the battery, leave it for 3-5 minutes then reinsert the battery and put it back on.
Otherwise, for information about sending your phone to the nearest Nokia Care Center near you, please select a regional Nokia site from the link below.