The ever-evolving nature of the mobile phone industry has made it one of the UK’s most vibrant business sectors. You can read all the about the latest industry developments in our dedicated mobile phone business news section.
4K video has a long way to go before it ends up the 'norm' standard over High Def or even Ultra High Def...
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.