Mobile phone companies have responded to environmental concerns with a range of green mobile phones which employ renewable materials and use less energy. Read Top 10 Broadband’s green mobile phones news section to keep up to date with all the latest environmentally friendly handsets.
I faced this problem, I forced shut down using power + sound up buttons, the problem went away.
the last picture shows jolla-device not nokia's n1.
still not as good as the Nokia 3310