4G is the future of mobile phone internet access, with faster connections enabling exciting new services to be offered. Our 4G mobile phones section will keep you informed of all the latest 4G mobile phones news.
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.