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.
There is another smaller auxilliary battery in the phone. This battery is faulty on your phone. You need to have it replaced at your local Nokia Care Point.