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.
Nothing can be done. You cannot roll back to your previous version of belle. If you want to open lyrics then you may use third party apps like LCG Jukebox it can display lyrics. If you want to open Google maps then try this install Google maps then turn on wifi in your phone and then open maps it may work. What problem are you having in YouTube?